Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4400346 | Control rods | Tatsuyoshi Aisaka, Suteto Hasegawa, Takeo Nawai | 1983-08-23 |
| 4316743 | High damping Fe-Cr-Al alloy | Takashi Fujita, Hideo Shirai, Masatoshi Nakagawa, Hiroshi Abe | 1982-02-23 |