Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7015676 | Battery control apparatus | Hirofumi Kohama, Hiroaki Yoshida | 2006-03-21 |
| 6033041 | Regenerative braking control system for electric vehicle | Hisamitsu Koga, Kazunori Handa, Nobuyuki Kawai, Kenichi Saga, Akira Maeda +2 more | 2000-03-07 |
| 5997107 | Regenerative control apparatus of electric vehicle, which obtains regenerative torque for brake from motor for running | Hisamitsu Koga, Tomiji Owada, Masaaki Kato, Nobuyuki Kawamura, Naotake Kumagai | 1999-12-07 |
| 5879062 | Regenerative control apparatus of electric vehicle | Hisamitsu Koga, Tomiji Owada, Masaaki Kato, Nobuyuki Kawamura, Naotake Kumagai | 1999-03-09 |
| 5839800 | Braking control system for electric automobile | Hisamitsu Koga, Naotake Kumagai, Tomiji Owada, Masaaki Kato, Nobuyuki Kawamura | 1998-11-24 |
| 5775784 | Braking control system for electric automobile | Hisamitsu Koga, Naotake Kumagai, Tomiji Owada, Masaaki Kato, Nobuyuki Kawamura | 1998-07-07 |
| 5670830 | Fuel use limiter-equipped hybrid electric car | Hisamitsu Koga, Naotake Kumagai, Tomiji Ohwada, Masaaki Kato, Nobuyuki Kawamura | 1997-09-23 |
| 5664635 | Control system for inhibiting unintended use of hybrid electric vehicle | Hisamitsu Koga, Naotake Kumagai, Tomiji Ohwada, Masaaki Kato, Nobuyuki Kawamura | 1997-09-09 |
| 5561362 | Remaining capacity meter and detection method for electric vehicle battery | Nobuyuki Kawamura, Naotake Kumagai, Tomiji Owada, Hisamitsu Koga, Masaaki Kato | 1996-10-01 |