Issued Patents 2003
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670786 | Apparatus for controlling an induction motor | Kazuaki Tobari | 2003-12-30 |
| 6657412 | Pulse width modulation method, pulse width modulator and power converter | Seiji Ishida, Keijiro Sakai, Hiroshi Fujii, Hiroyuki Tomita, Tatsuo Ando +2 more | 2003-12-02 |
| 6646896 | Controller of AC machine | Yoshitoshi Akita, Koichiro Nagata, Shigetoshi Okamatsu | 2003-11-11 |
| 6642689 | Control apparatus for power converter | Seiji Ishida, Takashi Ogawa, Tetsuo Kojima, Kiyoshi Nakata | 2003-11-04 |
| 6633495 | DC apparatus and vehicle using the same | Seiji Ishda, Tetsuo Kojima, Kiyoshi Nakata, Akira Horie | 2003-10-14 |
| 6611125 | Method for calculating inertia moment and driver for electric motor | Koichiro Nagata, Hiroshi Fujii, Shigetoshi Okamatsu | 2003-08-26 |
| 6556460 | Method for controlling a vehicle provided with an electric power converter | Seiji Ishida, Tetsuo Kojima, Kiyoshi Nakata, Akira Horie | 2003-04-29 |
| 6556464 | PWM converter system | Keijirou Sakai, Kinya Nakatsu, Seiji Ishida, Hiroshi Fujii, Junji Kato +1 more | 2003-04-29 |