Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5104379 | Medical instrument and valve to be mounted on a mount piece of that instrument | Hideki Tujiya | 1992-04-14 |
| 5094144 | Bent axis type variable displacement hydraulic machine | Yoshimichi Akasaka, Yasuharu Gotoh | 1992-03-10 |
| 5040569 | Direct-operated servo valve, fluid pressure servo mechanism and control method for the direct-operated servo valve | Tadahiko Nogami, Ichiro Maeno | 1991-08-20 |
| 5018501 | Electromagnetic fuel injection valve apparatus | Haruo Watanabe, Yoshio Okamoto, Hitoshi Konno | 1991-05-28 |
| 5014748 | Rotary valve | Tadahiko Nogami, Ichiro Maeno, Ryohei Kinose | 1991-05-14 |
| 4920413 | Blood-vessel endoscope system for storing a frozen picture in synchronization with heart pulsation | Naruto Shinkai, David E. Barlow, Akio Nakada | 1990-04-24 |
| 4909279 | Fluid control valve | Katsuharu Shuto, Eiichi Sasaki | 1990-03-20 |
| RE33171 | Hydraulic elevator | Tsuyoshi Ogasawara, Ken Ichiryu, Yasuo Kido | 1990-02-27 |
| 4830146 | Fluid-pressure elevator | Toshihiko Nara | 1989-05-16 |
| 4809679 | Forceps plug for endoscopes | Kideki Shimonaka | 1989-03-07 |
| 4788902 | Thrust hydrostatic bearing device for use in axial piston machine | Yoshimichi Akasaka, Ken Ichiryu, Eiji Kometani, Yasuharu Gotoh | 1988-12-06 |
| 4775031 | Hydraulic elevator and control method thereof | Satoshi Kobayashi, Toshihiko Nara | 1988-10-04 |
| 4745949 | Mechanically timed mixing faucet for aircraft lavatories and the like | — | 1988-05-24 |
| 4716897 | Electrosurgical apparatus | Toshiaki Noguchi, Seiichi Hosoda | 1988-01-05 |
| 4715478 | Hydraulic elevator | Satoshi Kobayashi, Eiichi Sasaki | 1987-12-29 |
| 4672772 | Balanced door for airplane lavatories and the like | — | 1987-06-16 |
| 4667569 | Fluid-pressure driving device | — | 1987-05-26 |
| 4638718 | Fluid-pressure driving device | — | 1987-01-27 |
| 4603067 | Method of covering an abrasion of a glass container by applying a specified coating material | Masato Tani, Seiichiro Ichikawa, Takahide Chikano, Kazuo Kawata, Eizo Motohashi +1 more | 1986-07-29 |
| 4534452 | Hydraulic elevator | Tsuyoshi Ogasawara, Ken Ichiryu, Yasuo Kido | 1985-08-13 |
| 4428559 | Direct drive type servo valve | Ken Ichiryu, Haruo Watanabe, Yoshimichi Akasaka | 1984-01-31 |
| 4404892 | Hydraulic operating apparatus | Mitsuaki Takenoshita, Ken Ichiryu, Yoshimichi Akasaka, Haruo Watanabe | 1983-09-20 |
| 4289063 | Hydraulic driving device | — | 1981-09-15 |
| 4215723 | Fluid pressure servo valve assembly | Ken Ichiryu, Katsumasa Matsuura | 1980-08-05 |