9 Utility and 1 Design Patents
#17,861 in Tokyo
#95,609 in Japan
#458,595 in the World
rank by utility patentsForward Citations = 26
Company Filing History:

Japan National Oil Corporation
Seikoh Biken Co., Ltd.
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#17,861 in Tokyo
#95,609 in Japan
#458,595 in the World
rank by utility patentsCompany Filing History:

Get your Inventor Badge Today