Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5271366 | Fuel injection system | Taizo Shimada, Masakazu Yokoyama, Hiroshi Ishii | 1993-12-21 |
| 5271370 | Emulsion fuel engine | Taizo Shimada, Yutaka Zaha | 1993-12-21 |
| 5245953 | Emulsion fuel engine | Taizo Shimada, Yutaka Zaha | 1993-09-21 |
| 4930380 | Method of repairing rolls of rolling mill and roll cutting apparatus | Takeshi Sasaki, Yoshio Takakuwa, Takayuki Haruna | 1990-06-05 |