57 Utility Patents
#1,339 in Tokyo
#5,844 in Japan
#29,641 in the World
Forward Citations = 121
Company Filing History:

Yoshino Kogyosho Co., Ltd.
Oclaro Japan, Inc.
4. 4 out of 391
Ishihara Sangyo Kaisha, Ltd.
5. 3 out of 4,199

where one patent can have more than one assignee
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