Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11504445 | Photocatalytic air cleaning structure for air cleaner, air cleaner having the air cleaning structure, and photocatalytic filter for use in the air cleaning structure | Teruo Watanabe, Hidemitsu Watanabe, Hiroyuki Watanabe | 2022-11-22 |
| 11446406 | Photocatalytic device and fluid cleaning apparatus having the device | Teruo Watanabe, Hidemitsu Watanabe, Hiroyuki Watanabe, Masao Yamaguchi | 2022-09-20 |