Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6841966 | Driving control device of a motor | Yoshihide Suzuki, Xiaoou Ma | 2005-01-11 |
| 5936820 | Overheating protection system of switching module | Masanori Sugiyama | 1999-08-10 |
| 5796226 | Energization control system for switched reluctance motor | Akemi Ookawa | 1998-08-18 |
| 5783925 | Method of interpolating output from sensor | Masanori Sugiyama | 1998-07-21 |
| 5589752 | Controller for switched reluctance motor | Shinichiro Iwasaki, Masanori Sugiyama, Akemi Ookawa, Hisayoshi Takahashi | 1996-12-31 |
| 5532567 | Controller for switched reluctance motor | Shinichiro Iwasaki, Masanori Sugiyama, Akemi Ookawa, Hisayoshi Takahashi | 1996-07-02 |
| 5107163 | Ultrasonic motor | Yasuo Kuwabara, Akemi Okawa | 1992-04-21 |
| 5055732 | Ultrasonic motor | — | 1991-10-08 |