Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4638225 | Method and apparatus therefor in motor speed control | Shigeki Morinaga, Hiroshi Hayashida, Tadashi Takahashi | 1987-01-20 |
| 4628259 | Magneto resistive sensor for detecting movement of a rotating body | Tadashi Takahashi, Hiroshi Hayashida, Sadao Sekizawa | 1986-12-09 |
| 4628314 | Method and apparatus for detecting position and velocity of moving body | Shigeki Morinaga, Yasuyuki Sugiura, Tadashi Takahashi | 1986-12-09 |
| 4599561 | Device for detecting the relative and absolute position of a moving body | Tadashi Takahashi, Hiroshi Hayashida | 1986-07-08 |
| 4594548 | Multi phase magnetic sensor apparatus for detecting the position of moving member | Tadashi Takahashi, Syooichi Kawamata, Shigeki Morinaga | 1986-06-10 |
| 4586152 | Method and apparatus for counting an infinite length with a counter of finite length | Hiroshi Hayashida, Tadashi Takahashi, Shigeki Morinaga, Kosho Ishizaki | 1986-04-29 |
| 4580084 | Method and system for controlling speed of electric motor | Tadashi Takahashi, Hiroshi Hayashida, Shigeki Morinaga, Junshiro Inamura | 1986-04-01 |
| 4558265 | Method and apparatus for position control of an electric motor | Hiroshi Hayashida, Tadashi Takahashi | 1985-12-10 |
| 4511827 | Apparatus for driving a polyphase brushless motor with a suppressed torque ripple | Shigeki Morinaga, Yasuyuki Sugiura | 1985-04-16 |
| 4473786 | Method for controlling angular position and apparatus therefor | Tadashi Takahashi, Hiroshi Hayashida, Shigeki Morinaga, Kosho Ishizaki | 1984-09-25 |
| 4454438 | Synchronized induction motor | Seizi Yamashita, Syoji Tanabe, Tadao Shimotsu | 1984-06-12 |
| 4418372 | Magnetic rotary encoder | Hiroshi Hayashida, Tadashi Takahashi, Kanji Kawakami | 1983-11-29 |
| 4403187 | Magnetic head for sensing the position of a moving member | Tadashi Takahashi, Hiroshi Hayashida | 1983-09-06 |
| 4403161 | Permanent magnet rotor | Seizi Yamashita, Hiroshi Watanabe, Shoji Tanabe | 1983-09-06 |
| 4347536 | Rotary cylinder apparatus | Tadashi Takahashi, Shigeki Morinaga | 1982-08-31 |
| 4336475 | Slotless brushless motor | Shigeki Morinaga, Tadashi Takahashi, Takeo Maeda, Seizi Yamashita | 1982-06-22 |
| 4309635 | Squirrel-cage rotor having end rings of double structure | Makio Sei | 1982-01-05 |
| 4250424 | Rotor of synchronous machines | Hiroshi Sento, Shoji Tanabe, Tadao Shimozu, Seiji Yamashita | 1981-02-10 |