Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5886493 | Synchronous machine excitation control device for absorbing harmonics superposed onto fundamental current | Yoshisuke Ueda, Kiyoshi Oku, Takayuki Hira, Atsushi Ashizawa | 1999-03-23 |
| 5668458 | Synchronous machine with harmonics dampening | Yoshisuke Ueda, Kiyoshi Oku, Takayuki Hira, Atsushi Ashizawa | 1997-09-16 |
| 4667139 | Table device | Hiromu Hirai, Takashi Yamaguchi, Tomomasa Yoshida | 1987-05-19 |