Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6158985 | Air fan including waterproof structure | Michinori Watanabe, Kesatsugu Watanabe | 2000-12-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6158985 | Air fan including waterproof structure | Michinori Watanabe, Kesatsugu Watanabe | 2000-12-12 |