Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7165597 | Insert core and method for manufacturing a cylinder for internal combustion engine by making use of the insert core | Daiju Yamada, Kazuo Sasaki | 2007-01-23 |
| 6041499 | Method for manufacturing a cylinder for two-stroke internal combustion engine and the cylinder manufactured thereby | Tomohiro Ohtani, Minoru Yonekawa | 2000-03-28 |