5 Utility Patents
#422 in Himeji
#161,815 in Japan
#819,042 in the World
Forward Citations = 5
Company Filing History:


Tokyo Ohka Kogyo Co., Ltd.
where one patent can have more than one assignee
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#422 in Himeji
#161,815 in Japan
#819,042 in the World
Company Filing History:


Get your Inventor Badge Today