Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6927191 | Oxidation catalyst | Hisaya Kawabata, Masahiko Shigetsu | 2005-08-09 |
| 6171999 | Method of manufacturing catalyst | Takashi Takemoto, Masahiko Shigetsu, Satoshi Ichikawa | 2001-01-09 |
| 6090744 | Catalyst for cleaning exhaust gas | Yuki Koda, Satoshi Ichikawa, Hiroshi Yamada, Kenichi Yamamoto, Kenji Okamoto +5 more | 2000-07-18 |
| 6077808 | Exhaust gas purifying catalyst and process of producing the same | Satoshi Ichikawa, Takashi Takemoto, Masahiko Shigetsu | 2000-06-20 |