1 Utility Patents
#1,018 in Sendai
#426,909 in Japan
Forward Citations = 12
Company Filing History:

Tsuken Electric Ind. Co., Ltd.
Zaidan Hojin Handotai Kenkyu Sinkokai
where one patent can have more than one assignee
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#1,018 in Sendai
#426,909 in Japan
Company Filing History:

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