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USPTO Data Jan 1 1976 - Sep 22 2026
2 Patents
#4,354 in Tokyo
#11,115 in Japan
Sumitomo Metal Corporation
Forward Citations = 4
9 inventors:
Sumitomo Metal Corporation
Forward Citations = 4
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9 inventors (with patents filed for the assignee):
Riki Okamoto (1 out of 55 patents)
Kunio Hayashi (1 out of 58 patents)
Kohichi Sano (1 out of 34 patents)
4. Koichi Sato (1 out of 148 patents)
5. Nobuhiro Fujita (1 out of 52 patents)
6. Masaaki Mizumura (1 out of 27 patents)
7. Yukihisa Kuriyama (1 out of 22 patents)
8. Kazuaki Nakano (1 out of 15 patents)
9. Manabu Wada (1 out of 20 patents)
2 patents:
Please report any incorrect information to [email protected]
Please report any incorrect information to [email protected]
Please report any incorrect information to [email protected]