Issued Patents All Time
Showing 126–148 of 148 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4551676 | Pulse coder using magnetoresistance elements having an improved z-phase signal pattern | Yoichi Amemiya, Yashitaka Takekoshi, Shigeyuki Ushiyama | 1985-11-05 |
| 4537757 | Crystalline aluminosilicate AZ-1 and a process for producing the same | Masazumi Chono | 1985-08-27 |
| 4518916 | System for detecting rotational speed | Shigeki Kawada | 1985-05-21 |
| 4482854 | Inverter circuit | Shigeki Kawada, Shinichi Kouno | 1984-11-13 |
| 4475960 | Flux for brazing aluminum and method of employing the same | Satoshi Yamawaki, Atsushi Sugihara, Yasushi Kobayashi, Yukio Kuramasu, Ichisei Gotoh | 1984-10-09 |
| 4471285 | System for variable speed operation of induction motors | Shigeki Kawada | 1984-09-11 |
| 4434393 | Induction motor control system | Katsuo Kobari, Naoto Ota | 1984-02-28 |
| 4374616 | Image-forming apparatus having a photosensitive member transfer mechanism | Koichi Sasaki, Yasuji Sumida, Akira Tanaka | 1983-02-22 |
| 4370614 | Speed and direction detector | Shigeki Kawada | 1983-01-25 |
| 4362076 | Electrostatic copying apparatus | Koichi Sasaki, Yasuji Sumida | 1982-12-07 |
| 4361794 | Induction motor drive apparatus | Shigeki Kawada | 1982-11-30 |
| 4357101 | Mechanism for supporting an original document cover lid of an electrostatic copying apparatus | Koichi Sasaki, Yasuji Sumida | 1982-11-02 |
| 4353023 | Operation control apparatus for AC motors | Shigeki Kawada | 1982-10-05 |
| 4333042 | System for driving a motor by a pulse width modulation inverter | Shigeki Kawada | 1982-06-01 |
| 4327315 | Induction motor drive apparatus | Shigeki Kawada, Yutaka Koiwai | 1982-04-27 |
| 4322671 | Induction motor drive apparatus | Shigeki Kawada, Yutaka Koiwai | 1982-03-30 |
| 4319177 | Operation control apparatus for AC motors | Shigeki Kawada | 1982-03-09 |
| 4314191 | Protective system for inverter circuit used in driving AC motors | Shigeki Kawada | 1982-02-02 |
| 4313058 | LED Light source device for a pulse encoder | Sunao Asahara | 1982-01-26 |
| 4295731 | Electrostatic copying apparatus | Koichi Sasaki, Yasuji Sumida | 1981-10-20 |
| 4291265 | Protective system for inverter circuit used in driving AC motors | Shigeki Kawada, Keiji Sakamoto | 1981-09-22 |
| 4275342 | Abnormality detecting system for DC motor control apparatus | Shigeki Kawada, Katsuo Kobari | 1981-06-23 |
| 4189549 | Polyester resin composition | Hiroomi Matsunaga, Yukikazu Uemura, Teruo Saito | 1980-02-19 |