Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6075299 | Motor drive system | Hirotaka Ono, Masaru Yamamoto | 2000-06-13 |
| 5755938 | Single chamber for CVD and sputtering film manufacturing | Hirofumi Fukui, Masami Aihara, Chisato Iwasaki, Koichi Fukuda, Yasuhiko Kasama | 1998-05-26 |
| 5609737 | Film manufacturing method using single reaction chamber for chemical-vapor deposition and sputtering | Hirofumi Fukui, Masami Aihara, Chisato Iwasaki, Koichi Fukuda, Yasuhiko Kasama | 1997-03-11 |
| 5573958 | Method of fabricating a thin film transistor wherein the gate terminal is formed after the gate insulator | Hirofumi Fukui, Hitoshi Seki, Makoto Sasaki, Yasuhiko Kasama | 1996-11-12 |
| 5550091 | Method of sputtering a silicon nitride film | Koichi Fukuda, Tomofumi Oba, Hirofumi Fukui, Chisato Iwasaki, Yasuhiko Kasama +5 more | 1996-08-27 |
| 5446646 | Method and apparatus for control of pulse width modulation (PWM) converter | — | 1995-08-29 |
| 5387855 | Induction motor control system | Yasuhiro Suzuki, Tadashi Saito | 1995-02-07 |
| 5212438 | Induction motor control system | Yasuhiro Suzuki, Tadashi Saito | 1993-05-18 |
| 4808902 | Control apparatus for brush-less motor | Akihiko Kuroiwa | 1989-02-28 |
| 4780650 | Control system for a power converter for driving induction motors | Yoshihiro Ogashi | 1988-10-25 |