Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6548585 | Rubber composition for hose production, hose, and process for producing refrigerant hose | Osamu Ozawa, Hiroaki Shibano | 2003-04-15 |
| 6492454 | Rubber composition containing rubber, mercapto-triazine and epoxy grafter polymer | Osamu Ozawa | 2002-12-10 |
| 6268417 | Rubber composition | Osamu Ozawa, Motofumi Oyama, Manabu Asai | 2001-07-31 |
| 5830946 | Rubber compositions | Ozamu Ozawa, Katsuki Hayashida | 1998-11-03 |
| 4992314 | Rubber compositions and hoses using the same | — | 1991-02-12 |
| 4851469 | Rubber compositions and hoses using the same | — | 1989-07-25 |