38 Utility Patents
#989 in Yokohama
#13,177 in Japan
#62,819 in the World
Forward Citations = 157
Company Filing History:

Opnext Japan, Inc.

4. 3 out of 597
Sumco Corporation
5. 3 out of 11
Hitachi Kyowa Engineering Co., Ltd.
where one patent can have more than one assignee
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