Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9643312 | Piston supply method | Hisayuki Sueoka | 2017-05-09 |
| 9291209 | Rotation clamping mechanism | Hisayuki Sueoka, Hideto Maeda, Hiroaki Matsumoto | 2016-03-22 |
| 9180592 | Piston supply apparatus and piston supply method | Hisayuki Sueoka | 2015-11-10 |
| 7345293 | Device and method for inspecting piston ring | Haruo Tsutsumi | 2008-03-18 |