50 Utility and 2 Design Patents
#1,683 in Tokyo
#7,605 in Japan
#37,952 in the World
rank by utility patentsForward Citations = 335
Company Filing History:

Kabushiki Kaisha Topcon

4. 1 out of 1,098
Nippon Steel & Sumitomo Metal Corporation
5. 1 out of 133

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