Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4574722 | Underwater cleaning apparatus | Ryoji ORITA, Hitoshi Okamoto | 1986-03-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4574722 | Underwater cleaning apparatus | Ryoji ORITA, Hitoshi Okamoto | 1986-03-11 |