Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5285840 | Method and apparatus for manufacturing piston of internal combustion engine | Masamichi Hayashi, Yasuhiro Kawabata, Takanori Kamiya | 1994-02-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5285840 | Method and apparatus for manufacturing piston of internal combustion engine | Masamichi Hayashi, Yasuhiro Kawabata, Takanori Kamiya | 1994-02-15 |