Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12311482 | Repair method of rotor | Kohei Ogawa, Hiroaki Oka, Hiroshi Nakajima | 2025-05-27 |
| 9815134 | Impeller brazing method | Kazutoshi Yokoo, Daisuke Tanaka, Daisuke Kawada, Hiroki Takagi, Yujiro Watanabe +1 more | 2017-11-14 |
| 9566655 | Impeller brazing method | Kazutoshi Yokoo, Daisuke Tanaka, Daisuke Kawada, Hiroki Takagi, Yujiro Watanabe +1 more | 2017-02-14 |
| 8650754 | Method for manufacturing impeller | Hiroki Takagi | 2014-02-18 |