8 Utility and 1 Design Patents
#19,840 in Tokyo
#107,301 in Japan
#520,178 in the World
rank by utility patentsForward Citations = 37
Company Filing History:
Du Pont Toray Company Limited
Sakase Adtech Co., Ltd.
Takayasu Co., Ltd.
4. 1 out of 1
Ichimura Sangyo Co., Ltd.
5. 1 out of 2
Kazari-ichi Co., Ltd.
where one patent can have more than one assignee
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