8 Utility Patents
#42 in Yamagata
#107,257 in Japan
#519,767 in the World
Forward Citations = 9
Company Filing History:
Tohoku Pioneer Corporation

Other
4. 1 out of 42
Totoku Electric Co., Ltd
5. 1 out of 11
Goto Denshi Co., Ltd.
where one patent can have more than one assignee
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