Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5758419 | Method of assembling a flywheel mechanism | — | 1998-06-02 |
| 5725429 | Flywheel mechanism | — | 1998-03-10 |
| 5687618 | Flywheel assembly | Koji Kajitani, Hirotaka Fukushima, Mamoru Okubo, Mitsuhiko Takenaka, Mitsuo Touji +1 more | 1997-11-18 |
| 5511446 | Flywheel assembly | Koji Kajitani, Hirotaka Fukushima, Manoru Okubo, Mitsuhiko Takenaka, Mitsuo Touji +1 more | 1996-04-30 |
| 5355747 | Flywheel assembly | Koji Kajitani, Hirotaka Fukushima, Mamoru Okubo, Mitsuhiko Takenaka, Mitsuo Touji +1 more | 1994-10-18 |