Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796352 | AC servomotor and a method of manufacturing the same | Shigeki Kawada, Masatoyo Sogabe, Noboru Iwamatsu | 1989-01-10 |
| 4748360 | Rotor for a synchronous motor | Shigeki Kawada, Masatoyo Sogabe, Noboru Iwamatsu | 1988-05-31 |
| 4714852 | Permanent-magnet field synchronous motor | Shigeki Kawada, Masatoyo Sogabe, Kazushi Kumagai | 1987-12-22 |
| 4700097 | Synchronous machine | Shigeki Kawada, Masatoyo Sogabe, Noboru Iwamatsu | 1987-10-13 |
| 4697114 | Permanent-magnet rotor shrink-fit assembly | Masatoyo Sogabe, Kiyoshi Tagami | 1987-09-29 |
| 4663550 | Shaft for an electric motor with DC brake | Shigeki Kawada, Masatoyo Sogabe, Katsuya Sugahara | 1987-05-05 |
| 4661736 | Rotor for a synchronous motor | Shigeki Kawada, Masatoyo Sogabe, Noboru Iwamatsu | 1987-04-28 |
| 4631807 | Method of manufacturing a permanent-magnet field rotor | Shigeki Kawada, Masatoyo Sogabe, Noboru Iwamatsu | 1986-12-30 |
| 4629956 | System for controlling motors for synchronous operation | Ryoichiro Nozawa, Hideaki Kawamura | 1986-12-16 |
| 4626725 | Synchronous rotary machine | Shigeki Kawada, Masatoyo Sogabe, Noboru Iwamatsu | 1986-12-02 |
| 4551676 | Pulse coder using magnetoresistance elements having an improved z-phase signal pattern | Hiroshi Ishida, Yashitaka Takekoshi, Shigeyuki Ushiyama | 1985-11-05 |
| 4543506 | Permanant magnet field type rotor structure for an electric machine | Shigeki Kawada, Masatoyo Sogabe | 1985-09-24 |
| 4538084 | Stator of motor | Shigeki Kawada, Masatoyo Sogabe, Noboru Iwamatsu | 1985-08-27 |
| 4536649 | Photoelectric converter-type pulse encoder | Yoshinori Kozai, Sunao Asahara | 1985-08-20 |
| 4495464 | Non-contacting, speed-detecting device of a direct-current generator type | Yoshinori Kozai, Noboru Iwamatsu | 1985-01-22 |
| 4364005 | Brushless tachometer generator | Yoshinori Kohzai, Yoshiki Fujioka, Noboru Iwamatsu | 1982-12-14 |
| 4331910 | Positioning control system | Yoshinori Kohzai, Hidetsugu Komiya, Yo Ikebe, Jun Ikebe | 1982-05-25 |
| 4287460 | Positioning control system | Ryoichiro Nozawa, Mitsuo Kawamata, Shigeru Isohata, Takao Sasaki, Yoshitaka Takekoshi | 1981-09-01 |