Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7207169 | System and method for purifying an exhaust gas | Yoshiyuki Nakanishi, Kenji Dosaka, Masanobu Miki, Keizo Iwama | 2007-04-24 |
| 6756337 | Purification catalyst for exhaust gas | Yoshiyuki Nakanishi, Yuichi Matsuo | 2004-06-29 |
| 6559095 | Exhaust gas purifying catalyst | Tomomi Sugiyama, Takeshi Narishige | 2003-05-06 |
| 6485855 | Active solid polymer electrolyte membrane in solid polymer type fuel cell and process for the production thereof | Kaoru Fukuda, Nobuhiro Saito | 2002-11-26 |
| 6355590 | Catalyst for purification of exhaust gas | Naohiro Satoh, Yoshiyuki Nakanishi | 2002-03-12 |
| 6261990 | Composite catalyst for purification of exhaust gas | Ken Ogawa, Takeshi Narishige, Tomomi Sugiyama, Naohiro Satou | 2001-07-17 |
| 6008155 | Exhaust emission control catalyst and process for producing the same | Takeshi Narishige, Naohiro Satoh, Yoshikazu Fujisawa, Yoshiyuki Nakanishi | 1999-12-28 |
| 5804526 | Adsorbent for nitrogen oxides and exhaust emission control catalyst | Naohiro Satoh, Takeshi Narishige, Yoshikazu Fujisawa | 1998-09-08 |
| 5564283 | Exhaust emission control system in internal combustion engine | Toru Yano, Hidehito Ikebe | 1996-10-15 |