Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5396421 | Torque distribution control device | Yasuhiro Niikura, Akihiko Sano | 1995-03-07 |
| 5232410 | Rotational speed differential responsive type control coupling | — | 1993-08-03 |
| 5194053 | Rotational speed differential responsive type control coupling with variable transfer torque control means | Akihiko Sano, Yasuhiro Niikura | 1993-03-16 |
| 4751976 | Steering system for automotive vehicle or the like | Megumu Higuchi, Masafumi Nakayama | 1988-06-21 |
| 4745985 | Automotive vehicle power-steering system and method | Masafumi Nakayama, Hirotsugu Yamaguchi, Yutaka Aoyama, Moritsune Nakata | 1988-05-24 |
| 4669360 | Power steering system | Hirotsugu Yamaguchi, Masafumi Nakayama, Megumu Higuchi, Yutaka Aoyama, Moritsune Nakata | 1987-06-02 |
| 4650019 | Electrical motor type power-steering system | Masafumi Nakayama, Yutaka Aoyama, Moritsune Nakata | 1987-03-17 |
| 4634135 | Steering system controlling transverse displacement of a gear housing | Moritsune Nakata, Hirotsugu Yamaguchi, Megumu Higuchi, Yutaka Aoyama, Yasuji Shibahata | 1987-01-06 |
| 4541499 | Vehicular power steering having steering effort control system | Hirotsugu Yamaguchi, Masato Fukino, Yutaka Aoyama | 1985-09-17 |
| 4530414 | Steering assistance pressure control apparatus | Masato Fukino, Hirotsugu Yamaguchi, Yutaka Aoyama | 1985-07-23 |
| 4516422 | Method of manufacturing racks for variable ratio steering gears | Kunihiko Morikawa, Megumu Higuchi | 1985-05-14 |
| 4513835 | Steering control apparatus | Masato Fukino, Hirotsugu Yamaguchi, Yutaka Aoyama | 1985-04-30 |
| 4473128 | Vehicular power steering system | Masafumi Nakayama, Masato Fukino | 1984-09-25 |
| 4444070 | Variable ratio rack and pinion steering gear | — | 1984-04-24 |
| 4418779 | Control apparatus for vehicle steering system | Masafumi Nakayama, Masato Fukino | 1983-12-06 |
| 4410059 | Fluid-operated control apparatus for power-assisted steering system of automotive vehicle | Masafumi Nakayama, Masato Fukino | 1983-10-18 |
| 4255980 | Variable ratio steering gear | — | 1981-03-17 |