Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9707310 | Air cleaning device, air cleaning method using the air cleaning device, and air cleaning system | Hidemitsu Watanabe, Hiroyuki Watanabe, Takafumi Watanabe | 2017-07-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9707310 | Air cleaning device, air cleaning method using the air cleaning device, and air cleaning system | Hidemitsu Watanabe, Hiroyuki Watanabe, Takafumi Watanabe | 2017-07-18 |