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USPTO Data Jan 1 1976 - Sep 29 2026
3 Patents
#3,541 in Tokyo
#8,915 in Japan
Prop Co., Ltd.
Forward Citations = 51
10 inventors:
Prop Co., Ltd.
% Expired Patents = 33.3
Forward Citations = 51
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10 inventors (with patents filed for the assignee):
Mitsuya Uchida (3 out of 5 patents)
Tsuyoshi Kageyama (2 out of 8 patents)
Osamu Tanaka (1 out of 68 patents)
4. Kiyoshi Fukaya (1 out of 2 patents)
5. Takumi Yoshimura (1 out of 1 patent)
6. Toshiyo Tamura (1 out of 1 patent)
7. Yukitoshi Takahashi (1 out of 1 patent)
8. Satoshi Teranishi (1 out of 1 patent)
9. Keiji Hara (1 out of 1 patent)
10. Hisashi Ishimura (1 out of 1 patent)
3 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]