Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9365884 | Environmental evaluation installation and environmental evaluation method | Kazuo Nishikawa, Tetsuya Yoneda, Hisaharu Yagi, Masashi Kawai | 2016-06-14 |
| 8685328 | Method for purifying inside of room | Hiroaki Okano, Kazuo Nishikawa, Hisaharu Yagi, Tomonori Akai, Misaki Nakamura +1 more | 2014-04-01 |