Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8029779 | Lactic acid bacteria | Taku Miyamoto | 2011-10-04 |
| 6553957 | Combination of cylinder liner and piston ring of internal combustion engine | Yoshiki Ishikawa, Hideyo Iwama, Takashi Takakura, Kousuke Ito, Tatsuya Suzuki | 2003-04-29 |
| 4407515 | Combined oil ring | — | 1983-10-04 |