Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697764 | Displacement control system for variable displacement hydraulic pump | Yosuke Oda | 1997-12-16 |
| 5477678 | Hydraulic circuit system | Terruo Akiyama, Shigeru Shinohara, Naoki Ishizaki, Takahide Takiguchi | 1995-12-26 |
| 5398507 | Hydraulic circuit system | Teruo Akiyama, Naoki Ishizaki, Koji Yamashita, Shin-ichi Shinozaki | 1995-03-21 |
| 5279122 | Hydraulic circuit apparatus for supplying fluid under pressure into hydraulic cylinders for work implement | Teruo Akiyama, Shigeru Shinohara, Naoki Ishizaki, Takahide Takiguchi | 1994-01-18 |
| 5273069 | Operation valve with pressure compensation valve | Teruo Akiyama, Naoki Ishizaki, Koji Yamashita, Shinichi Shinozaki | 1993-12-28 |
| 5271227 | Hydraulic apparatus with pressure compensating valves | Teruo Akiyama, Naoki Ishizaki, Koji Yamashita, Shinichi Shinozaki | 1993-12-21 |
| 5218897 | Hydraulic circuit apparatus for operating work-implement actuating cylinders | Terruo Akiyama, Shigeru Shinohara, Naoki Ishizaki, Takahide Takiguchi | 1993-06-15 |
| 5212950 | Hydraulic circuit with pilot pressure controlled bypass | Teruo Akiyama, Shigeru Shinohara, Naoki Ishizaki, Takahide Takiguchi | 1993-05-25 |
| 5209063 | Hydraulic circuit utilizing a compensator pressure selecting value | Shigeru Shinohara, Teruo Akiyama, Takahide Takiguchi, Naoki Ishizaki | 1993-05-11 |
| 5188147 | Pressure compensating type hydraulic valve | Kazuo Uehara, Koichi Morita, Takahide Takiguchi, Naoki Ishizaki | 1993-02-23 |
| 4978634 | Method of making trench DRAM cell with stacked capacitor and buried lateral contact | Bing W. Shen, Masaaki Yashiro, Randy McKee, Gishi Chung, Clarence W. Teng +1 more | 1990-12-18 |
| 4566425 | Ignition system of the condensor-discharge type for internal combustion engine | Hiroyasu Nitou, Osamu Takahashi | 1986-01-28 |
| 4473090 | Hydraulic power system for implement actuators in an off-highway self-propelled work machine | Kazuo Uehara | 1984-09-25 |