Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11298776 | Friction welding method and friction welding apparatus | — | 2022-04-12 |
| 10710153 | Method for filling with metallic sodium | Shigeru Uchida, Koichi Homma, Kuniaki Miura, Masashige Hanawa | 2020-07-14 |
| 10316390 | Method for purifying metallic sodium | Shigeru Uchida, Koichi Homma, Kuniaki Miura, Masashige Hanawa | 2019-06-11 |
| 9446490 | Method of friction welding and apparatus of friction welding | Takehiro Okuno | 2016-09-20 |
| 8960524 | Burring apparatus for friction welding machine | Takehiro Okuno, Koji Sakane, Koichi Homma | 2015-02-24 |