Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7896947 | Air filtering apparatus | Kazuo Takahashi, Yoichi Uchida, Hiroaki Usui, Toshio Fukushima, Toru Arakawa +2 more | 2011-03-01 |
| 7875108 | Inactivating device for virus, bacteria, etc. and air conditioner using the same | Kazuo Takahashi, Hiroshi Noguchi, Hiroaki Usui, Tetsuya Yamamoto | 2011-01-25 |