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USPTO Data Jan 1 1976 - Jan 20 2026
1 Patents
#5,750 in Tokyo
#15,572 in Japan
Nippon Koyu Ltd.
Forward Citations = 4
4 inventors:
Nippon Koyu Ltd.
Forward Citations = 4
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4 inventors (with patents filed for the assignee):
Eigo Mukasa (1 out of 4 patents)
Kikuo Hosaki (1 out of 4 patents)
Sugako Otake (1 out of 5 patents)
4. Masayuki Morita (1 out of 13 patents)
1 patent:
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