Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499946 | Steam turbine rotor and manufacturing method thereof | Masayuki Yamada, Takao Inukai, Masataka Kikuchi, Joji Kaneko, Satoru Asai +2 more | 2002-12-31 |
| 6494970 | Heat resistant steel casting and method of manufacturing the same | Ryuichi Ishii, Masayuki Yamada | 2002-12-17 |
| 6368057 | Steam turbine | Toru Takahashi, Kenichi Imai, Ryou Oda | 2002-04-09 |