27 Utility Patents
#4,898 in Tokyo
#23,349 in Japan
#108,748 in the World
Forward Citations = 141
Company Filing History:
Nippon Steel Corporation
Oki Electric Industry Co., Ltd.
Oki Semiconductor Co., Ltd.
4. 2 out of 1,098
Nippon Steel & Sumitomo Metal Corporation
5. 1 out of 300

where one patent can have more than one assignee
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