• Title/Summary/Keyword: patent trend

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An Analysis of the Control and Defrost Patents for Heat Pump (압축식 열펌프의 제상${\cdot}$제어 특허기술 분석)

  • Choi Jong Min;Sim Yun-Hee;Lee Sang Hyuk;Lee Jaehoon;Lee Jinwook;Park Seong-ryong;Kim Yongchan;Yoon Joonsang
    • Korean Journal of Air-Conditioning and Refrigeration Engineering
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    • v.17 no.12
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    • pp.1192-1203
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    • 2005
  • A technical analysis was conducted to predict the development trend for heat pump system. The study was based on a submitted patent from 1983 to 2002 in Korea, U.S.A. and Japan. The total number of raw data from the registered database was 19,261 and the obtained data to be analyzed through the filtering process was 5,143. Technical development of compression type heat pump was more dominant than the other types, absorption, adsorption, and chemical heat pump. The patents for compression type made up over $80\%$ in each country, Most of patents were developed for the defrosting and controlling technology of the compression type heat pump system. Approximately $24\%\;and\;62\%$ of the patents about compression type heat pump were for defrosting and control technologies, respectively.

Research Trend of OCA (Optically Clear additive) for Display Panel by Analysis of Patent and Papers Publication (특허 및 논문 분석을 통한 디스플레이용 접착제의 기술경쟁력 분석)

  • Woo, Chang Hwa
    • Journal of the Semiconductor & Display Technology
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    • v.17 no.3
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    • pp.75-84
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    • 2018
  • According to IHS, the overall display market is expected to grow at an average annual rate of 6% from $ 104 billion in 2016, to $ 138 billion in 2021. Among them, the OLED display panel will grow from $ 15 billion to $ 41 billion over the same period, forecasting a high annual growth rate of 22%. However, the refraction index, light leakage, bubble generation, adhesion deterioration, peeling phenomenon, moisture resistance, light transmittance, low turbidity. OCA (optically clear adhesive), which solves problems such as improving the resistance of the conductive film, is largely dependent on imported products. In addition, in 2016, the world market is worth KRW4.3 trillion, and the adhesive market has a large market effect. In this study, we tried to analyze the technical competitiveness of patent and thesis by classifying OCA (optically clear adhesive, optical adhesive) for display panel by curing method. As a result of the study, the amount of patents and papers in Korea was found to be superior to other competitors, but the quality level was low. In particular, it was found that the achievements of the papers in the hot melt field are lacking and the government should expand its support.

The Strategy of Wireless Power Transfer for Light Rail Transit By Core Technologies Analysis Based on Text Mining

  • Meng, Xiang-Yu;Han, Young-Jae;Eum, Soo-Min;Cho, Sung-Won
    • Journal of the Korea Society of Computer and Information
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    • v.23 no.11
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    • pp.193-201
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    • 2018
  • In this paper, we extracted relevant patent data and conducted statistical analysis to understand the technical development trend related to Wireless Power Transfer (WPT) for Light Rail Transit (LRT). Recently, with the development of WPT technologies, the Light Rail Transit (LRT) industry is concentrating on applying WPT to the power supply system of trains because of their advantages compared wired counterpart, such as low maintenance cost and high stability. This technology is divided into three areas: wireless feeding and collecting technology, high-frequency power converter technology and orbital and infrastructure technology. From each specific area, key words in patent document were extracted by TF-IDF method and analyzed by social network. In the keyword network, core word of each specific technology were extracted according to their degree centrality. Then, the multi-word phrases were also built to represent the concept of core technologies. Finally, based on the analysis results, the development strategies for each specifics technical area of WPT in LRT filed will be provided.

An Analytical Study on the Patents Substance of Urban Underground Space Development Technology (도시지하공간 개발기술에 대한 특허동향 분석)

  • Lee, Gahng-Ju
    • Journal of the Architectural Institute of Korea Structure & Construction
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    • v.35 no.6
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    • pp.129-137
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    • 2019
  • The purpose of this study is to present systematic information and direction to urban underground space development industry, civil engineering and R&D. Regarding the development of urban underground space, the situation in Korea, especially now in Seoul, can be called an underground Renaissance. The Superground project, which has been going on for several years through international competition, is now completed and is about to open the Seoul Architecture Museum. Leading underground space complex development project of Yeongdongdaero, which is the largest living underground space in human history, spectral projects such as the Seoul section of the GTX routes, making underground roads of the Dongbu Expressway and the Seobu Expressway are now speeding up progress. Recently, plans have been made to use the underground more actively through the restructuring project of Gwanghwamun Square, the face of Seoul. And then, patents are indispensable resources for establishing a strategy for R&D as one of the indices showing what technologies have been developed and what technology development will be done in the future. Based on this background, this study attempts to classify and define the technical elements of urban underground space development through the analysis of patents of major countries in the world, and analyze and present state of technology level and situation accordingly.

Analysis of the trends of applications for domestic patents, utility models and designs related to leggings

  • Hosun, Lim
    • The Research Journal of the Costume Culture
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    • v.30 no.6
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    • pp.919-932
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    • 2022
  • This study analyzed the trends of applications for patents, utility models, and designs related to leggings in order to understand the trend of development of technologies for leggings products that are continuously growing in the fashion market. In this study, trends in patent, utility model, and design applications related to leggings products filed from 2001 to 2020 with the Korean Intellectual Property Office were analyzed. As a result, first, the trends of applications for patents, utility models, and designs by year showed that the applications began to rise from 2006 and increased sharply in the 2010s. Second, applications for patents and utility models were analyzed by subject and, according to the results, the applications for compression shaping functionality were the most frequent, followed by those for construction/sewing, those for accessories and others, those for system/device, and those for multi-functionality. Third, when applications for designs were classified by target for wearing and by type of leggings, applications for general leggings designs were the most frequently filed, followed by applications for: item attachment type leggings, shapewear leggings, leggings for men, leggings for pregnant women, leggings for children, and leggings for the disabled. Although this study is limited to domestic patents, utility models, and design applications, it collected useful information related to leggings products and presented directions for future development.

Analysis of Patent Trends and Cooperative Network of Future-leading Items in the Field of Autonomous Driving (완전 자율주행분야 미래선도품목의 특허동향 및 협력 네트워크 분석)

  • Junghwan Lee;Jinyong Kim;Ji-hyuk Cho;Hyengsuk Kim
    • Journal of Information Technology Applications and Management
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    • v.29 no.6
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    • pp.1-12
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    • 2022
  • In recent years, technological competition in the automobile sector is accelerating. This study analyzes the status of patents from a global perspective of three promising future items that Korea has selected as core technologies in the field of autonomous driving,. And the technological cooperation ecosystem was identified through network analysis centered on scientific metrology. As a result of the analysis, it was confirmed that the growth of individual technologies has been strengthened in recent years, and although key source technologies have been largely preempted in major global countries, a close cooperative ecosystem between institutions, companies, and universities in major countries has not yet been formed. Specifically, the US and Japan have the technological leadership, while China is rapidly rising, and Korea is chasing after it as a latecomer. Therefore, it is necessary to continuously strengthen technological cooperation such as R&D of core technology to overcome technological limitations and strengthening of infrastructure construction, attracting excellent foreign talents and international exchanges. This analysis is meaningful in that it explores the global status of Korea's technology and the possibility of technological cooperation from various perspectives in the future from the viewpoint of preoccupation of future technology, rather than grasping the trend of a specific technology.

Identifying Emerging Free Technologies by PCT Patent Analysis (PCT특허분석을 통한 유망자유기술 탐색에 관한 연구)

  • Jeong, Eui-Seob;Kim, Young-Gi;Lee, Seong-Chul;Kim, Young-Tae;Chang, Young-Bae
    • The Journal of the Korea institute of electronic communication sciences
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    • v.9 no.1
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    • pp.111-122
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    • 2014
  • This paper proposes a new strategy for assisting SMEs in S. Korea to grow by the use of free technologies, which include expired patents, patents that are effective in other countries but not in S. Korea, and technologies that were published without being patented. A key question answered in this paper is how to find valuable technologies developed by large companies that can be utilized by domestic SMEs. A procedure for identifying emerging free technologies was developed and is explained with an example. A quantitative analysis of technology trend was conducted on PCT's published patents that did not include S. Korea as a designated country, and then emerging IPC subclasses were identified. Among those emerging technology areas, the subclass areas where the number of Korean inventors is small were identified as key emerging free technology areas. Our method for identifying emerging free technologies can assist domestic SMEs to advance in the international market and guide the development of a national industrial strategy.

Practice and Research Development of Technology Innovation in China

  • Wang, Zong-Jun;Wang, Xin-Xin;Wu, Yu-Qiong;Zhao, Yun-Long;Yang, Ping
    • Proceedings of the Korea Technology Innovation Society Conference
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    • 2006.11a
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    • pp.15-41
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    • 2006
  • The increasing popularity of the concept of technology innovation has been driven by greater international competition in a rapidly globalizing economy. Both countries and enterprises are placing more and more emphasis on it in order to gain competitive advantages. This article gives a general introduction about the research and application of technology innovation in China. At the national level, one obvious fact is that the total R&D expenditure increased rapidly during the year 2001 to year 2005 and reached Y 245 billions, and China made 2,452 international patent applications in 2005 and became the world's 10th largest user of the Patent Cooperation Treaty. At the industry and enterprise level, much progress has also been made in China. This article uses the high-tech industry as an example to introduce the industry and enterprise technology innovation respectively. Corresponding to the practice, scholars also did a great amount of research work related to technology innovation. This article sums up all the work done from the macroscopic aspect (such as national technology innovation strategy, regional innovation system, industry technology innovation) and microcosmic aspect (such as enterprise technology innovation strategy, patterns and evaluation standards). Based on the analysis, this article discusses the limitation of current work and research trend about the technology innovation.

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Patent Analysis and Standardization Methods of Automobile Black Box Technology (차량용 블랙박스 기술 특허분석 및 표준화 방안)

  • Han, In-Hwan
    • Journal of Korean Society of Transportation
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    • v.25 no.3
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    • pp.29-43
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    • 2007
  • An automobile black box can provide sufficient and accurate information for investigating the causes of vehicle accidents as well as preventing them in the future. The database of accident information from stored data in the black box can provide a variety of services to the general public when it is accessed in a reasonable manner. minimizing intrusion into drivers' privacy. Therefore, the black box could become the main intelligent automobile Part, with extensive benefits for all associated industries as well as government agencies and insurance companies. While the introduction and spread of the black box are imminent in Korea, this paper reviews technology and product trends of the black box. In particular, this paper presents findings on the investigation of black box-related patent applications and an in-depth study of core patents from several leading counties, including the United States. In addition, this paper describes trends of standardization and legislation in leading countries and presents methods of standardization with suggestions for some development topics related to black box technology.

A research on the selection of subject and its legal and institutional guarantee concerning protection of the intellectual property of traditional medicine (전통의약분야의 지적 재산권 보호를 위한 대상 발굴 및 법적.제도적 보장 방안 연구)

  • Kim, Hong-Jun;Lee, Sang-Jung;Ju, Young-Sung
    • Korean Journal of Oriental Medicine
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    • v.8 no.2 s.9
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    • pp.47-65
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    • 2002
  • This project is planned to grasp the present situation of traditional medicine part in our country and to study protection method about this by the intellectual property which is the international concerning point recently. Through this, we will be able to devise means to deal with protection method of traditional medicine being developed by WIPO now. Traditional medicine field In our country Is organized with specific condition separated into the part of institution and the part of non-institution. So, because of the closed peculiarity, we have experienced the difficulties to understand the real facts about traditional medicine. We cannot be indifferent to the matter anymore. Because the expectation of object people is high, we could expect the realization of research content. In 1 detail project, we investigated the situation of traditional medicine in our country through various collecting methods for excavation of oriental treatment technique and herb medicine which is worth protecting. With it, we sorted again into 56 kinds of 11 parts through analysis of validity in the way of oriental medicine. And we tried to link this up 2 detail project which is about legal and institutional guarantee concerning protection. furthermore, we tried to find approach ways for security of objectivity into 4 steps with the example of model disease. we could complete practical classification of traditional medicine in our country. In 2 detail project, we studied the protection method by the intellectual property through research result in 1 detail project. For this, we observed an outline of the intellectual property including a patent application analysis in folk traditional medicine part, and problems of traditional medicine protection and world trend by traditional knowledge protection tendency and the patent law In domestic traditional medicines, the aspects unprotectable with the patent law now were remained. So, we suggested supplementary plan. And we also suggested the freedom of utilization between traditional medicine possession countries (in-situ utilization) and the demand compensation payment for a third country (ex-situ utilization) in connection with international movement.

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