Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5713315 | Multiple step valve opening control system | Hiroshi Jyoutaki, Kazutoshi Mori, Susumu Kohketsu, Yasunori Daigo | 1998-02-03 |
| 5099809 | Combustion chamber for a diesel engine | Toru Kawatani, Eiji Mizote, Susumu Kohketsu, Tomomi Nakagawa, Tetsuo Suzuki | 1992-03-31 |