Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6619914 | Centrifugal fan runner and air cleaner | Yoshihiro Takada | 2003-09-16 |
| 6607435 | Fan filter unit control system and clean room provided with same | Keiichi Ono, Fumiyuki Tamura | 2003-08-19 |