Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4493632 | Spacer in metal-mold vulcanizer for rubber hose | Takashi Ishida, Keizo Hayashi | 1985-01-15 |
| 4460325 | Metal mold for vulcanization of reinforced hose | Takashi Ishida, Keizo Hayashi | 1984-07-17 |