Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889089 | Work vehicle | Tetsuzo Fujikawa, Makizo Hirata | 1989-12-26 |
| 4873945 | Cylinder block construction for V-type engines | Hitomi Miyake | 1989-10-17 |
| 4862981 | Internal combustion engine and devices employing same | Tetsuzo Fujikawa, Keisuke Tomonaga, Hitomi Miyake | 1989-09-05 |
| 4801343 | Method for manufacturing a case having multiple walls | Noboru Fukui | 1989-01-31 |