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Analysis of Domestic Patent Information on Hydroponics Field  

Yu, Sung-Oh (Division of Horticulture and Pet Animal-Plant Science, Wonkwang University)
Bae, Jong-Hyang (Division of Horticulture and Pet Animal-Plant Science, Wonkwang University)
Park, Yun-Jum (Division of Horticulture and Pet Animal-Plant Science, Wonkwang University)
Cho, Ja-Yong (Dept. of Medicinal Resources & Horticulture Development, Jeonnam Provincial College)
Jang, Hong-Gi (Naju Foundation of Natural Dyeing Culture)
Heo, Buk-Gu (Naju Foundation of Natural Dyeing Culture)
Publication Information
Journal of Bio-Environment Control / v.16, no.1, 2007 , pp. 13-20 More about this Journal
Abstract
This study was conducted to collect the basic data fo the development ot hydroponic technique and the efficient promotion of water culture. We have also analysed the water culture associated domestic patent application informations searching for on-line internet site with an admission fee (http://www2.wips.co.kr) from the year 1983 to January, 2006. Fifty nine patent applications related to the hydroponics were searched for in this study. Main patent contents applied were as followed in the order of that nineteen applications about the hydroponic equipments by 32.2%, thirteen applications about the materials used in water culture by 22.0%, eleven applications about the composition of nutrient solution by 18.6%, nine applications about the cultural methods by 15.3%, and seven applications about the cultural media by 11.9%. The compositions of nutrient solution and the cultural methods intended for specific crops were increased in number following five applications about tomato plants and four applications about potatoes. Thirty three patents (55.9%) were mainly applied before the year 2000. Main patent contents were the compositions of nutrient solution before the year 2000 in contrast to the cultural methods and substrates after the year 2000.
Keywords
composition of nutrient solution; cultural method; hydroponics; hydroponic equipment;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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