Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10760687 | Seal ring and sealing device | Hitoshi Yamaguchi | 2020-09-01 |
| 10451185 | Seal ring | Hitoshi Yamaguchi | 2019-10-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10760687 | Seal ring and sealing device | Hitoshi Yamaguchi | 2020-09-01 |
| 10451185 | Seal ring | Hitoshi Yamaguchi | 2019-10-22 |