8 Utility Patents
#19,635 in Tokyo
#106,957 in Japan
#517,115 in the World
Forward Citations = 72
Company Filing History:
Seikagaku Kogyo Co. Ltd.
Seikagaku Kogyo Kabushiki Kaisha (seikagaku Corporation)

4. 1 out of 116
Nippon Steel Chemical & Material Co., Ltd.
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