10 Utility Patents
#4,442 in Osaka
#85,482 in Japan
#406,495 in the World
Forward Citations = 32
Company Filing History:

Japan Communication Accessories Manufacturing Co., Ltd.
Sei Optifrontier Co., Ltd.
4. 1 out of 5,289

5. 1 out of 28

where one patent can have more than one assignee
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