31 Utility Patents
#288 in Nagoya
#18,671 in Japan
#87,320 in the World
Forward Citations = 130
Company Filing History:


Sanwa Kagaku Kenkyusho Co., Ltd.
4. 2 out of 72
Tokai Kogyo Mishin Kabushiki Kaisha
5. 1 out of 1,600
Nippon Soken, Inc.
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