5 Utility Patents
#1,942 in Wako
#162,524 in Japan
#826,892 in the World
Forward Citations = 321
Company Filing History:
Rikagaku Kenkyusho
Nippon Steel Corporation
Nippon Steel Chemical Co., Ltd.
4. 1 out of 850

5. 1 out of 1
Sigma Systems Co., Ltd.
where one patent can have more than one assignee
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