Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846649 | Center mechanism in tire vulcanizing machine | Akira Hasegawa, Hideaki Katayama | 1989-07-11 |
| 4813861 | Tire vulcanizing machine | Akira Hasegawa | 1989-03-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846649 | Center mechanism in tire vulcanizing machine | Akira Hasegawa, Hideaki Katayama | 1989-07-11 |
| 4813861 | Tire vulcanizing machine | Akira Hasegawa | 1989-03-21 |