Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4911117 | Arrangements for supporting crankshafts in multicylinder engines | Kazuaki Nishimura, Toshinobu Itoh | 1990-03-27 |
| 4819505 | Balancer shafts for use in multicylinder engines | Kazuo Isayama, Syoji Yamashita | 1989-04-11 |
| 4770276 | Oil pan for automotive engine | — | 1988-09-13 |
| 4741293 | Engine cooling structure | Toshinobu Itoh, Kazuaki Nishimura | 1988-05-03 |
| 4729351 | Cylinder block construction of engine | Kazuaki Nishimura, Kuniaki Kakui | 1988-03-08 |
| 4696267 | Cylinder block structure for internal combustion engine | Kouji Kohno, Toshinobu Ito | 1987-09-29 |
| 4690111 | Bearing arrangements for balancing shafts of internal combustion engines | Kouji Kohno, Toshinobu Ito | 1987-09-01 |
| 4543926 | Exhaust port structure for rotary piston engines | Hiroshi Sasaki | 1985-10-01 |