11 Utility Patents
#14,576 in Tokyo
#76,914 in Japan
#362,783 in the World
Forward Citations = 16
Company Filing History:


The Nippon Signal Co., Ltd.
4. 1 out of 10
Mektec Corporation
5. 1 out of 1
Eyetech Co., Ltd.
where one patent can have more than one assignee
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