Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D414854 | Air cleaner | Koji Omaki, Toshiaki Nakajo | 1999-10-05 |
| D409342 | Window cleaner with a detachable wiping portion | Toshiaki Nakajo | 1999-05-04 |
| D393116 | Window cleaner with a detachable wiping portion | Toshiaki Nakajo | 1998-03-31 |