6 Utility Patents
#24,429 in Tokyo
#137,033 in Japan
#670,791 in the World
Forward Citations = 10
Company Filing History:

Hitachi, Ltd.
Sii Semiconductor Corporation
4. 1 out of 141
Nippon Mining Co., Ltd.
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#24,429 in Tokyo
#137,033 in Japan
#670,791 in the World
Company Filing History:

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