9 Utility Patents
#645 in Hamamatsu
#93,484 in Japan
#439,533 in the World
Forward Citations = 28
Company Filing History:
Yutaka Giken Co., Ltd.

where one patent can have more than one assignee
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#645 in Hamamatsu
#93,484 in Japan
#439,533 in the World
Company Filing History:

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