Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4998607 | Fluid coupling having damped bimetallic spring | Kenichiro Mizutani, Seiya Tanaka | 1991-03-12 |
| 4938331 | Fluid coupling for engine cooling system | Makoto Nakagawa | 1990-07-03 |
| 4936742 | Water pump apparatus having lubricating oil circulation and axial thrust support | Katsuhiko Eguchi | 1990-06-26 |
| 4917052 | Water pump apparatus in an internal combustion engine | Katsuhiko Eguchi | 1990-04-17 |
| 4567728 | Mounting structure for clutch booster assembly | Masami Sugihara, Satoru Maruyamano, Isao Tsuzuki | 1986-02-04 |
| 4472997 | Brake power multiplying device for automobile brake system | — | 1984-09-25 |
| 4445425 | Housing shells of fluid pressure motors | Chiaki Ochiai | 1984-05-01 |
| 4423666 | Brake booster | — | 1984-01-03 |
| 4409460 | Method of manufacturing a vacuum booster housing | Michiharu Nishii | 1983-10-11 |
| 4368661 | Control valve for brake booster | Chiaki Ochiai | 1983-01-18 |
| 4363259 | Brake booster | — | 1982-12-14 |
| 4354423 | Reaction structure of booster | Kaoru Tsubouchi, Michiharu Nishii | 1982-10-19 |
| 4271670 | Power assist mechanism | — | 1981-06-09 |
| 4257312 | Tandem diaphragm brake booster | Yoichi Furuta | 1981-03-24 |
| 4232518 | Sealed type fluid reservoir | Mitsuyuki Suzuki | 1980-11-11 |
| 4192345 | Sealed type hydraulic reservoir | Takashi Fujii, Tomoyuki Nogami, Takaaki Ohta | 1980-03-11 |
| 4181147 | Sealed type hydraulic reservoir | Takashi Fujii, Tomoyuki Nogami, Takaaki Ohta | 1980-01-01 |