Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5291821 | Hydraulic circuit for swivel working machine | Kohji Yamashita, Tadao Karakama, Naoki Isizaki | 1994-03-08 |
| 5279122 | Hydraulic circuit apparatus for supplying fluid under pressure into hydraulic cylinders for work implement | Kiyoshi Shirai, Shigeru Shinohara, Naoki Ishizaki, Takahide Takiguchi | 1994-01-18 |