Company Badge
USPTO Data Jan 1 1976 - Oct 6 2026
1 Patents
#6,086 in Tokyo
#15,732 in Japan
Piston Ring Company, Ltd.
Forward Citations = 63
4 inventors:
Piston Ring Company, Ltd.
Forward Citations = 63
Loading Chart...
Loading Chart...
4 inventors (with patents filed for the assignee):
Masahiro Oguchi (1 out of 10 patents)
Katsumasa Odera (1 out of 9 patents)
Akihisa Inoe (1 out of 1 patent)
4. Tsuyoshi Masumoto (1 out of 49 patents)
1 patent:
Please report any incorrect information to [email protected]
Please report any incorrect information to [email protected]
Please report any incorrect information to [email protected]