Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628835 | Nb.sub.3 Al Group superconductor containing ultrafine Nb.sub.2 Al particles | Fumio Iida, Ryukichi Takahashi, Takaaki Suzuki | 1997-05-13 |
| 5620532 | Method for manufacturing Nb.sub.3 Al group superconductor | Fumio Iida, Ryukichi Takahashi, Takaaki Suzuki | 1997-04-15 |
| 5396205 | Unspliced superconducting coil device with high stability | Ryukichi Takahashi, Fumio Iida | 1995-03-07 |
| 5215015 | Track system and vehicle having both magnetic and aerodynamic levitation, with wings on the vehicle carrying the whole weight at normal operating speeds | Fumio Iida | 1993-06-01 |
| 5189386 | Aluminum-stabilized superconductor and superconducting coil, and method of manufacturing the superconductor | Fumio Iida, Ryukichi Takahashi, Naoki Maki, Shuji Sakai, Yoshiji Hotta | 1993-02-23 |
| 5105177 | Superconducting magnet apparatus, cooling system therefor, and electromagnetic levitation traveling equipment incorporating the same | Fumio Iida, Teruhiro Takizawa, Kazuo Kuroishi | 1992-04-14 |
| 5094173 | Superconducting magnetic levitated train, train system method of controlling the same, and superconducting coil for magnetic levitated train | Fumio Iida, Ryukichi Takahashi | 1992-03-10 |
| 4870379 | Superconducting switching device | Katsuzo Aihara, Nobuhiro Hara, Masahiro Ogihara, Katsuo Kouriki, Yasuo Suzuki | 1989-09-26 |
| 4752654 | Intermetallic compound-based, composite superconductor | Fumio Iida | 1988-06-21 |
| 4692560 | Forced flow cooling-type superconducting coil apparatus | Yoshiji Hotta, Kunishige Kuroda, Hiroshi Kimura, Nobuhiro Hara | 1987-09-08 |
| 4652697 | Aluminum-stabilized superconducting wire | Toshinari Ando, Yoshikazu Takahashi, Masataka Nishi, Susumu Shimamoto, Katsuzo Aihara | 1987-03-24 |
| 4560404 | Method of producing material for superconductor | Katsuzo Aihara, Yasuo Suzuki, Joo Ishihara, Toshio Ogawa | 1985-12-24 |
| 4468646 | Superconducting magnet device | — | 1984-08-28 |
| 4334123 | Internal cooling type superconductor | Hiroshi Kimura, Hisanao Ogata | 1982-06-08 |
| 4218668 | Superconductive magnet device | Katsuzo Aihara | 1980-08-19 |