Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686377 | Catalyst for purifying exhaust gases | Masahiro Sugiura, Yoko Kumai, Haruo Doi, Tetsuo Nagami, Norihiko Aono +2 more | 1997-11-11 |
| 5462905 | Exhaust gas purifying catalyst | Tetsuo Nagami, Yoshitsugu Ogura, Masahiko Ogai, Yoshiaki Fukushima, Shinji Inagaki +9 more | 1995-10-31 |