Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6958556 | Structure of rotors in stepping motors | Akio Kanazawa, Naohiro Yoshida | 2005-10-25 |
| 6867518 | Sealed motor and method of employing same | — | 2005-03-15 |
| 5008072 | Heat resistant steel and gas turbine components composed of the same | Masao Siga, Yutaka Fukui, Mitsuo Kuriyama, Katsumi Iijima, Nobuyuki Iizuka +4 more | 1991-04-16 |
| 4967552 | Method and apparatus for controlling temperatures of turbine casing and turbine rotor | Kazuhiko Kumata, Nobuyuki Iizuka, Masashi Kunihiro | 1990-11-06 |
| 4850187 | Gas turbine having components composed of heat resistant steel | Masao Siga, Yutaka Fukui, Mitsuo Kuriyama, Katsumi Iijima, Nobuyuki Iizuka +4 more | 1989-07-25 |
| 4789412 | Cobalt-base alloy having high strength and high toughness, production process of the same, and gas turbine nozzle | Shigeyoshi Nakamura, Tetsuo Kashimura, Nobuyuki Iizuka, Yutaka Fukui, Minoru Morikawa | 1988-12-06 |
| 4767259 | Cooling air flow controlling apparatus for gas turbine | Kazuhiko Kumata | 1988-08-30 |
| 4484858 | Turbine rotor with means for preventing air leaks through outward end of spacer | Katsuo Wada, Mitsuo Teranishi | 1984-11-27 |