Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8167270 | Valve gear with a bearing having a sliding surface against a valve shaft | Mao Takei, Toshinari Nishimura, Takahiko Hirohata | 2012-05-01 |
| 6984801 | Method of closing a hole in a gas turbine blade top by laser welding | Masahiko Mega, Koji Takahashi, Yoshitaka Uemura, Kengo Yamaguchi, Syuho Tsubota +3 more | 2006-01-10 |