Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6198259 | Non-insulating DC--DC converter | Kouichi Ueki | 2001-03-06 |
| 6081434 | Insulation-type DC-DC power conversion unit and electric system for electric vehicle | Kouichi Ueki, Yasuo Kobayashi | 2000-06-27 |
| 6066928 | Electric system for electric vehicle | Koetsu Fujita, Junichi Ito | 2000-05-23 |
| 5998960 | Power supply system for electric vehicle | Jun Yamada | 1999-12-07 |
| 5757150 | Electric system of an electric vehicle | Shunichi Hatakeyama | 1998-05-26 |
| 5747959 | Method of controlling electric vehicle driven by an internal combustion engine | Katsuhiko Iijima | 1998-05-05 |
| 5734216 | Magnet rotor for synchronous motor | Hiyoshi Yamada, Takao Yanase, Kenji Endo, Hiroyuki Hirano | 1998-03-31 |
| 5656911 | Circuit for driving permanent-magnet synchronous motor using proportional controller | Tomoharu NAKAYAMA, Koetsu Fujita, Takao Yanase, Masahiko Hanazawa, Shinichiro Kitada +2 more | 1997-08-12 |
| 5629603 | Electric system of electric vehicle | — | 1997-05-13 |
| 5629596 | Method of controlling electric vehicle driven by an internal combustion engine | Katsuhiko Iijima | 1997-05-13 |
| 5517401 | Three level pulse width modulated inverter for an electric vehicle | Takao Yanase, Kouetsu Fujita | 1996-05-14 |
| 5504414 | Electric system for electric vehicle | — | 1996-04-02 |
| 5487438 | Driving system for an electric vehicle | — | 1996-01-30 |
| 5466998 | Electric system for an electric vehicle | Takao Yanase, Koetsu Fujita | 1995-11-14 |
| 5368116 | Method of controlling electric vehicle driven by an internal combustion engine | Katsuhiko Iijima | 1994-11-29 |
| 5365153 | AC variable speed driving apparatus and electric vehicle using the same | Kouetsu Fujita, Takao Yanase, Osamu Motoyoshi, Yoshio Ito | 1994-11-15 |
| 5350994 | Electric system for an electric vehicle | Takao Yanase, Kouetsu Fujita, Osamu Motoyoshi, Yoshio Ito | 1994-09-27 |