Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7615194 | Purification composition and filter for ozone-containing exhaust gas | Masahiko Yoneda, Kazuki Yamana, Satoshi Minobe | 2009-11-10 |
| 7160362 | Method and device for cleaning air | Isao Terada, Minoru Tanaka, Sadao Kobayashi, Naoki Mori, Hiromu Itoh +2 more | 2007-01-09 |