Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7226911 | Hair keratin-associated proteins | Jun Kudo, Nobuyoshi Shimizu | 2007-06-05 |
| 5221101 | Power transmitting system for four-wheel drive vehicle | Kiyokazu Okubo, Tetsuro Hamada, Kentaro Arai | 1993-06-22 |
| 5219038 | Power transmission device for a four-wheel drive vehicle | Tetsuro Hamada, Kentaro Arai | 1993-06-15 |
| 5201820 | Power transmission system for a four-wheel drive vehicle | Tetsuro Hamada, Kentaro Arai | 1993-04-13 |
| 4989476 | Torque transmitting device | Kazuhiko Shimada, Katsuhiko Masuda, Tetsurou Hamada, Kunitaka Furuya | 1991-02-05 |
| 4890686 | Drive mode selecting system for four-wheel-drive motor vehicle | Tetsurou Hamada, Katsuhiko Masuda, Kazuhiko Shimada, Shojji Tokushima | 1990-01-02 |
| 4889353 | Direction-dependent power transmission system | Tetsuro Hamada, Kazuhiko Shimada, Katsuhiko Masuda | 1989-12-26 |
| 4886141 | Four wheel drive vehicle | Hiroshi Ikegami, Tetsuji Muto, Tetsuro Hamada, Katsuhiko Masuda, Kazuhiko Shimada | 1989-12-12 |
| 4878566 | Method and mechanism for selectively transmitting and interrupting delivery of power | Tetsuro Hamada, Katsuhiko Masuda, Kazuhiko Shimada, Etsuo Fujii, Hiroshi Ikegami +1 more | 1989-11-07 |
| 4848506 | Drive power transmission device | Kazuhiko Shimada, Tetsurou Hamada, Katsuhiko Masuda | 1989-07-18 |
| 4848507 | Torque-dependent power transmission system | Katsuhiko Masuda, Kazuhiko Shimada, Tetsuro Hamada | 1989-07-18 |
| 4829849 | Power transmission system for vehicles | Katsuhiko Masuda, Tetsuro Hamada, Kazuhiko Shimada | 1989-05-16 |
| 4825724 | Differential gear | Tetsuro Hamada, Katsuhiko Masuda, Kazuhiko Shimada | 1989-05-02 |
| 4756209 | Drive power transmission device | Tetsurou Hamada, Katsuhiko Masuda, Kazuhiko Shimada | 1988-07-12 |
| 4680654 | Lid locking mechanism for an automatic tape cassette loading and unloading apparatus | — | 1987-07-14 |