Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7696127 | Exhaust gas purifying catalyst | Tomoaki Urai, Tomohiro Honda, Katsuaki Kurata, Hideharu Iwakuni | 2010-04-13 |
| 7691778 | Exhaust gas purification catalyst | Tomohiro Honda, Tomoaki Urai, Ryota Fujimoto, Seiji Miyoshi, Hiroshi Yamada +3 more | 2010-04-06 |
| 7608561 | Exhaust gas purifying catalyst | Seiji Miyoshi, Hiroshi Yamada, Koji Minoshima, Hideharu Iwakuni | 2009-10-27 |
| 7566424 | Exhaust gas purification catalyst | Seiji Miyoshi, Hiroshi Yamada | 2009-07-28 |
| 7446076 | Exhaust gas purification catalyst | Seiji Miyoshi, Hiroshi Yamada, Masaaki Akamine, Hideharu Iwakuni, Koichiro Harada | 2008-11-04 |
| 7344683 | Exhaust gas catalytic converter | Seiji Miyoshi, Hiroshi Yamada | 2008-03-18 |
| 7341975 | Exhaust gas purification catalytic material and method for fabricating the same | Hideharu Iwakuni, Masaaki Akamine, Seiji Miyoshi, Hiroshi Yamada, Yuki Murakami | 2008-03-11 |
| 7307039 | Exhaust gas purification catalyst and oxygen storage component for the same | Hideharu Iwakuni, Asako Sadai, Masaaki Akamine, Seiji Miyoshi, Hiroshi Yamada | 2007-12-11 |
| 7235511 | Exhaust gas purifying catalyst | Tomohiko Kawamoto, Katsuyuki Fujita, Tadashi Tokuyama, Masahiko Shigetsu, Masaaki Akamine +2 more | 2007-06-26 |
| 7111452 | Control device of hydrogen engine | Seiji Miyoshi, Hiroshi Yamada | 2006-09-26 |
| 6953769 | Exhaust gas purifying catalyst | Hiroshi Yamada, Seiji Miyoshi, Kenji Okamoto, Masahiko Shigetsu, Hisaya Kawabata | 2005-10-11 |
| 6834497 | Exhaust gas purifying device for engine | Seiji Miyoshi, Hiroshi Yamada, Masayuki Kuroki | 2004-12-28 |
| 6620392 | Catalyst for purifying exhaust gas and method for purifying exhaust gas with the catalyst | Kenji Okamoto, Hiroshi Yamada, Seiji Miyoshi | 2003-09-16 |
| 6562753 | Device for purifying exhaust gas, method for purifying exhaust gas, catalyst for purifying exhaust gas, and method for manufacturing exhaust gas purifying catalyst | Seiji Miyoshi, Makoto Kyougoku, Hiroshi Yamada, Kenji Okamoto, Kenichi Yamamoto +1 more | 2003-05-13 |
| 6432859 | Method of producing exhaust gas purifying catalyst and catalyst produced thereby | Hideharu Iwakuni, Makoto Kyogoku, Hiroshi Yamada | 2002-08-13 |
| 6422004 | System for controlling engine | Tomomi Watanabe, Tomoaki Saito, Terunori Kondou | 2002-07-23 |
| 6420306 | Burned gas purifying catalyst | Takahiro Kurokawa, Makoto Kyogoku, Hideharu Iwakuni, Kenji Okamoto, Hirosuke Sumida +3 more | 2002-07-16 |
| 6269634 | Engine control device | Kazuya Yokota, Junichi Taga, Youichi Kuji, Masayuki Kuroki, Kenji Okamoto +3 more | 2001-08-07 |
| 6221804 | Catalyst for purifying exhaust gas and manufacturing method thereof | Hiroshi Yamada, Hideharu Iwakuni, Makoto Kyogoku, Kenji Okamoto | 2001-04-24 |
| 6180558 | Material for exhaust gas purifying catalyst, exhaust gas purifying catalyst made of the material and method for producing the exhaust gas purifying catalyst | Takahiro Kurokawa, Hideharu Iwakuni, Makoto Kyogoku, Shinichi Tanioka, Kenichi Yamamoto +4 more | 2001-01-30 |
| 6141960 | Exhaust gas purifying system for engine | Hideharu Iwakuni, Makoto Kyogoku, Hiroshi Yamada, Kenji Okamoto, Junichi Taga +5 more | 2000-11-07 |
| 6120746 | Exhaust gas cleaning catalyst component, process of production of the same and process for production of exhaust gas cleaning catalyst member | Takashi Takemoto, Makoto Kyogoku, Yuki Koda, Satoshi Ichikawa, Hideharu Iwakuni +2 more | 2000-09-19 |
| 6066587 | Catalyst for purifying exhaust gas | Takahiro Kurokawa, Hideharu Iwakuni, Makoto Kyogoku, Kenji Okamoto, Hiroshi Yamada | 2000-05-23 |
| 6025296 | Process for production of catalyst for exhaust gas cleaning | Takashi Takemoto, Makoto Kyogoku | 2000-02-15 |
| 5958826 | Burned gas purifying catalyst | Takahiro Kurokawa, Makoto Kyogoku, Hideharu Iwakuni, Kenji Okamoto, Hirosuke Sumida +2 more | 1999-09-28 |