Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8959916 | Thermal power plant | Kenji Yamamoto, Masato Handa, Naoyuki Nagafuchi, Naohiro Kusumi, Mitsuko Fukuda +1 more | 2015-02-24 |
| 6261989 | Catalytic converter for cleaning exhaust gas | Hirohisa Tanaka, Isao Tan, Koji Yamada, Mari Yamamoto, Yasunori Sato | 2001-07-17 |
| 5462905 | Exhaust gas purifying catalyst | Tetsuo Nagami, Yoshitsugu Ogura, Masahiko Ogai, Yoshiaki Fukushima, Shinji Inagaki +9 more | 1995-10-31 |
| 4957896 | Catalyst for purification of exhaust gases | Shinichi Matsumoto, Toru Tanaka, Yutaka Ishikawa, Hirofumi Shinjoh, Masakuni Ozawa | 1990-09-18 |