29 Utility and 1 Design Patents
#4,173 in Tokyo
#20,101 in Japan
#92,074 in the World
rank by utility patentsForward Citations = 102
Company Filing History:
Thk Co., Ltd.
4. 1 out of 5
5. 1 out of 2
Kureha Gosen Co., Ltd
where one patent can have more than one assignee
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