15 Utility Patents
#4,758 in Kanagawa
#53,188 in Japan
#247,251 in the World
Forward Citations = 328
Company Filing History:

Nippon Crucible Co., Ltd.
Tokyo Keiso Co., Ltd.
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#4,758 in Kanagawa
#53,188 in Japan
#247,251 in the World
Company Filing History:

Get your Inventor Badge Today