Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12343958 | Rubber-metal laminate and gasket | Isao Watanabe, Ryota Shimura | 2025-07-01 |
| 12152672 | Gasket | Isao Watanabe, Ryota Shimura | 2024-11-26 |
| 12055219 | Hydrogenated NBR composition | Isao Watanabe | 2024-08-06 |
| 11780993 | NBR composition for rubber laminated metal | Isao Watanabe | 2023-10-10 |
| 11466642 | Gasket material | Isao Watanabe | 2022-10-11 |
| 11312850 | Gasket material | Masahiro Yokoo | 2022-04-26 |