7 Utility Patents
#22,287 in Tokyo
#121,772 in Japan
#598,869 in the World
Forward Citations = 111
Company Filing History:
Oki Electric Industry Co., Ltd.

Nippon Telegraph and Telephone Public Corporation
4. 1 out of 75

5. 1 out of 349
Kabushiki Kaisha Daini Seikosha
where one patent can have more than one assignee
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