18 Utility and 6 Design Patents
#7,883 in Tokyo
#40,748 in Japan
#185,276 in the World
rank by utility patentsForward Citations = 139
Company Filing History:
4. 5 out of 19
Takamisawa Electric Co., Ltd
5. 1 out of 1,033
Kabushiki Kaisha Topcon
where one patent can have more than one assignee
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