Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880351 | Variable capacity turbine | Kazuo Inoue, Osamu Kubota, Fusao Tateishi, Etsuo Noda, Koji Yamaguchi +1 more | 1989-11-14 |
| 4820118 | Variable-displacement turbine | Masato Hayama | 1989-04-11 |