44 Utility Patents
#2 in Inuyama
#10,070 in Japan
#48,756 in the World
Forward Citations = 396
Company Filing History:

Other

4. 1 out of 9
Ngk Optoceramics Co., Ltd.
5. 1 out of 522
Nippon Telegraph and Telephone Public Corporation
where one patent can have more than one assignee
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