Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10601283 | Vertical bearing device | Kwangik Na, Shigeyoshi Mori | 2020-03-24 |
| 8905639 | Main bearing for crankshaft of internal combustion engine | Osamu Ishigo, Yuichi Tomita | 2014-12-09 |
| 8876391 | Main bearing for crankshaft of internal combustion engine | Osamu Ishigo, Yuichi Tomita | 2014-11-04 |
| 8714824 | Bearing apparatus for crankshaft of internal combustion engine | Osamu Ishigo, Yuichi Tomita | 2014-05-06 |