14 Utility and 2 Design Patents
#11,220 in Tokyo
#58,199 in Japan
#271,038 in the World
rank by utility patentsForward Citations = 47
Company Filing History:

Tohnichi Mfg. Co., Ltd.
Tohnichi Mfg.co., Ltd.
4. 2 out of 5,117

5. 1 out of 279

where one patent can have more than one assignee
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