Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4584636 | AC-to-DC power converter with improved power factor and overvoltage suppression | Takeki Ando, Toshiaki Kurosawa, Yoshio Sakai | 1986-04-22 |
| 4361866 | Power converter apparatus | Seiya Shima, Takeki Ando, Toshiaki Kurosawa, Hiromi Inaba, Yoshio Sakai | 1982-11-30 |
| 4263988 | Speed control system for a motor | Hiromi Inaba, Seiya Shima, Takeki Ando, Toshiaki Kurosawa | 1981-04-28 |
| 4256204 | Safety apparatus for elevator system | Takeki Ando, Seiya Shima, Toshiaki Kurosawa, Hiromi Inaba, Hideo Miyao +2 more | 1981-03-17 |