52 Utility and 1 Design Patents
#1,567 in Tokyo
#7,044 in Japan
#35,280 in the World
rank by utility patentsForward Citations = 364
Company Filing History:
Thk Co., Ltd.
Other

4. 1 out of 61
Takenaka Corporation
5. 1 out of 65

where one patent can have more than one assignee
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