TO

Takao Omiya

NC Nippon Piston Ring Co.: 3 patents #45 of 208Top 25%
📍 Tochigi, JP: #1,056 of 2,789 inventorsTop 40%
Overall (All Time): #1,623,646 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6261389 Synchronizer ring Yoshikatsu Nakamura, Tetsuo Masuyama, Hiroshi Takiguchi 2001-07-17
5861565 Synchronizer ring Kunihiro Iguchi, Tetsuo Masuyama 1999-01-19
5370725 Synchronizer ring Osamu Kawamura, Toshiaki Sato 1994-12-06