Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9543045 | Nuclear reactor and power generation facility | — | 2017-01-10 |
| 9488225 | Rolling bearing apparatus and lubrication unit | — | 2016-11-08 |
| 8529134 | Rolling bearing apparatus | Masaaki Ohtsuki | 2013-09-10 |
| 8414192 | Cage for ball bearing | Akira Koyama | 2013-04-09 |
| 7786637 | Touchdown bearing | Akira Koyama, Masaaki Ootsuki | 2010-08-31 |
| 7712967 | Ball bearing | Masaaki Ohtsuki, Akira Koyama | 2010-05-11 |