Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5477678 | Hydraulic circuit system | Kiyoshi Shirai, Shigeru Shinohara, Naoki Ishizaki, Takahide Takiguchi | 1995-12-26 |
| 5218897 | Hydraulic circuit apparatus for operating work-implement actuating cylinders | Kiyoshi Shirai, Shigeru Shinohara, Naoki Ishizaki, Takahide Takiguchi | 1993-06-15 |