Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6008616 | Pole change induction motor and control apparatus and method for the same | Kazutoshi Nagayama, Takayuki Mizuno, Kenji Yamada, Masato Mori, Katsuyuki Watanabe +1 more | 1999-12-28 |
| 5945801 | Drive circuit for switched reluctance motor | Kenji Yamada, Yoshihiro Murai | 1999-08-31 |
| 5689166 | Method and apparatus for controlling hybrid excitation type permanent magnet synchronous motor | Kazutoshi Nagayama, Takayuki Mizuno | 1997-11-18 |
| 5155797 | Control system for controlling revolution speed of electric motor | Masakatsu Nomura, Michitaka Hori, Takayuki Mizuno, Tadashi Ichioka | 1992-10-13 |
| 4967135 | Induction motor vector control | Masakatsu Nomura | 1990-10-30 |
| 4862343 | Induction motor control apparatus | Masakatsu Nomura, Keiko Suda | 1989-08-29 |
| 4691158 | Method of operating a secondary battery to recondition the battery | Takafumi Hashimoto, Yoshihide Kamanaka | 1987-09-01 |
| 4617675 | Digital PWMed pulse generator | Yoshihide Kamanaka, Keiko Fushimi | 1986-10-14 |
| 4510430 | Vector control method and system for an induction motor | Masayuki Terashima | 1985-04-09 |
| 4509003 | Vector control method and system for an induction motor | Kouhei OHNISHI, Masayuki Terashima | 1985-04-02 |