Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5154901 | Method of cleaning an exhaust gas containing nitrogen oxides and fine carbon-containing particulates | Kiyohide Yoshida, Satoshi Sumiya, Akira Obuchi, Hyogoro Aoyama, Akihiko Ohi +1 more | 1992-10-13 |
| 5108977 | Catalyst for cleaning exhaust gas | Kiyohide Yoshida, Satoshi Sumiya, Akira Obuchi, Hyogoro Aoyama, Akiniko Ohi +1 more | 1992-04-28 |
| 4966665 | Method for photochemical decomposition of volatile organic chlorine compound in vent gas | Keigo Nakamura, Schuzou Kutsuna | 1990-10-30 |