Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917738 | Steam turbine rotor for high temperature | Yusaku Takano, Akio Hizume, Yorimasa Takeda, Toshio Fujita, Kikuo Morita +1 more | 1990-04-17 |
| 4472207 | Method for manufacturing blank material suitable for oil drilling non-magnetic stabilizer | Shinpei Denoh, Yoshio Kitamura | 1984-09-18 |