Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5014604 | Piston for internal combustion engine | Masaji Matsunaga, Yoshihiro Yamada | 1991-05-14 |
| 4875444 | Swirl chamber for diesel engines and the like | Hirofumi Tsuchida, Toshiaki Tanaka, Akira Oyamada | 1989-10-24 |
| 4659245 | Gas turbine | Kunio Maki | 1987-04-21 |
| 4396822 | Welding wire for automatic arc welding | Katsuhiro Kishida, Hirohiko Date | 1983-08-02 |
| 4394560 | Covered electrode containing zirconium for shielded metal arc welding | Katsuhiro Kishida, Yutaka Mekuchi, Hirohiko Date | 1983-07-19 |