3 Utility Patents
#2,561 in Kobe
#236,990 in Japan
Forward Citations = 18
Company Filing History:
Showa Denko Kabushiki Kaisha
Other

4. 1 out of 5
Shosuke Okamoto
where one patent can have more than one assignee
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#2,561 in Kobe
#236,990 in Japan
Company Filing History:

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