Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5073608 | Bladder lubricant composition for tire molding | Isao Ona | 1991-12-17 |
| 4889770 | Composition for the surface treatment of rubber | Isao Ona, Toshio Suzuki, Tadashi Okawa | 1989-12-26 |