Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6015021 | Electrically assisted vehicle | Tatsuaki Tanaka, Toshihiro Matsumoto, Hiroaki Sagara, Yoshihiko Maeda | 2000-01-18 |
| 5984038 | Combination man-powered and motor-driven vehicle | Masakatsu Fujiwara, Masaru Tanaka, Tatsuaki Tanaka, Hiroyasu Ishihara, Kazuhisa Matsumoto | 1999-11-16 |
| 5971090 | Torque limiting device for motors in electically driven vehicles and electrically driven vehicle incorporation the torque limiting device | Tatsuaki Tanaka, Hiroaki Sagara, Toshihiro Matsumoto, Yoshihiko Maeda | 1999-10-26 |
| 5920139 | Magnet motor stator | Masakatsu Fujiwara, Masaru Tanaka, Tatsuki Tanaka, Toshihiro Matsumoto, Hiroaki Sagara +1 more | 1999-07-06 |
| 5860487 | Electrically assisted vehicle | Tatsuaki Tanaka, Toshihiro Matsumoto, Hiroaki Sagara, Yoshihiko Maeda | 1999-01-19 |
| 5857537 | Motorized bicycle | Toshihiro Matsumoto, Tatsuaki Tanaka | 1999-01-12 |
| 5819867 | Electrically powered bicycle | Toshihiro Matsumoto, Tatsuaki Tanaka | 1998-10-13 |