6 Utility Patents
#855 in Nagano
#138,817 in Japan
#688,746 in the World
Forward Citations = 61
Company Filing History:
Totoku Electric Co., Ltd
Emit Seiko Co., Ltd.

where one patent can have more than one assignee
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#855 in Nagano
#138,817 in Japan
#688,746 in the World
Company Filing History:

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