Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5380692 | Catalyst for catalytic reduction of nitrogen oxide | Tadao Nakatsuji, Hiromitsu Shimizu, Ritsu Yasukawa, Fujio Suganuma, Hiroshi Tsuchida +7 more | 1995-01-10 |
| 5227145 | Process for removing nitrogen oxides from exhaust gases | Yoshiaki Kintaichi, Hideaki Hamada, Takehiko Ito, Motoi Sasaki, Fujio Suganuma +4 more | 1993-07-13 |