14 Utility Patents
#11,225 in Tokyo
#58,236 in Japan
#271,493 in the World
Forward Citations = 123
Company Filing History:

Oki Electric Industry Co., Ltd.
Rikei Corp.
where one patent can have more than one assignee
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#11,225 in Tokyo
#58,236 in Japan
#271,493 in the World
Company Filing History:

Get your Inventor Badge Today