Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6427740 | Protective coating for the tire sidewalls | — | 2002-08-06 |
| 6375260 | Child seat | Toshiaki Iwasaki, Atsushi Hiroshige, Shunichi Katsumata | 2002-04-23 |
| 6183044 | Child seat | Toshiro Koyanagi, Tsuyoshi Fujiwara, Yoshinobu Sawamoto, Toshiaki Iwasaki, Atsushi Hiroshige +1 more | 2001-02-06 |
| 5984223 | Seat belt retractor and its spool | — | 1999-11-16 |
| 5584107 | Buckle device for infant restraining seat | Toshiro Koyanagi, Osamu Nakagawa | 1996-12-17 |
| 5576536 | Image forming apparatus including motor-driven rotary scanner and system for judging if motor rotation comes to steady state and for maintaining rotation at steady state | Toshihisa Yamanaka | 1996-11-19 |
| 5527094 | Restraint and protection seat for infant | Kazuo Zeze | 1996-06-18 |
| 5507523 | Automatically releasable safety device used in mechanical igniter for gas generator | Muneo Nishizawa, Tetsuya Hamaue, Mitsuhiko Hiruta | 1996-04-16 |
| 5488225 | Rotary scanner and light beam scanning system having a specified relationship between the facets of the scanning mirror and the commuter segments of the motor | — | 1996-01-30 |
| 5487563 | Pretensioner for vehicle seat belt systems | — | 1996-01-30 |
| 5387029 | Buckle pretensioner for vehicle seat belt systems | Muneo Nishizawa | 1995-02-07 |
| 5383623 | Rotary actuator-operated seat belt pretensioner | Mitsuhiko Hiruta, Ryoichi Yoshida, Muneo Nishizawa | 1995-01-24 |
| 5374110 | Pretensioner for seat belts | — | 1994-12-20 |
| 5346257 | Pretensioner for vehicle seat belts | — | 1994-09-13 |
| 5316233 | Seat belt retractor with springs connected in series and motorized spring force adjustment | — | 1994-05-31 |
| 5313690 | Buckle pretensioner for seat belt systems | Ryoichi Yoshida | 1994-05-24 |
| 4924143 | Colored fluoroescent display lamp assembly | Hiroshi Imamura, Makoto Toho, Eiji Shiohama, Shoiti Morii | 1990-05-08 |
| 4780645 | Electronic light radiation tube | Makoto Toho, Tadao Uetsuki, Ryohei Itatani | 1988-10-25 |