Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4669268 | Master cylinder-reducing valve assembly | Nobuaki Hachiro | 1987-06-02 |
| 4596315 | Disc brake device | Hideaki Miyake, Yoshito Hanazato, Kimio Koyano | 1986-06-24 |
| 4594854 | Assembly of vacuum booster and master cylinder | Nobuaki Hachiro, Yoshihisa Miyazaki | 1986-06-17 |
| 4557179 | Vacuum booster device | Nobuaki Hachiro, Yoshihisa Miyazaki | 1985-12-10 |
| 4554786 | Vacuum source device for vacuum booster for vehicles | Kazuo Miyazaki | 1985-11-26 |
| 4542680 | Vacuum booster device | — | 1985-09-24 |
| 4526089 | Vacuum booster device | — | 1985-07-02 |
| 4522108 | Vacuum booster device | Nobuaki Hachiro, Yoshihisa Miyazaki | 1985-06-11 |
| 4434707 | Vacuum type brake booster device for vehicular use | Nobuaki Hachiro, Yoshihisa Miyazaki | 1984-03-06 |
| 4433614 | Vacuum booster device | Nobuaki Hachiro, Yoshihisa Miyazaki | 1984-02-28 |
| 4428274 | Vacuum booster device | Nobuaki Hachiro, Yoshihisa Miyazaki | 1984-01-31 |
| 4416191 | Vacuum booster device | Nobuaki Hachiro, Yoshihisa Miyazaki | 1983-11-22 |
| 4358990 | Negative pressure booster | — | 1982-11-16 |
| 4350077 | Differential pressure operated servo boosters | — | 1982-09-21 |
| 4320624 | Master cylinder | — | 1982-03-23 |
| 4282799 | Negative pressure booster | — | 1981-08-11 |
| 4227371 | Automotive brake booster device | — | 1980-10-14 |
| 4195661 | Vacuum type servometer for vehicle use | — | 1980-04-01 |