Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9890676 | Exhaust gas purification catalyst device and exhaust gas purification method | Hisaya Kawabata, Yasuhiro Matsumura, Hiroshi Yamada | 2018-02-13 |
| 9732648 | Catalyst device for exhaust gas purification and method for exhaust gas purification | Hiroshi Yamada, Hisaya Kawabata, Yasuhiro Matsumura, Kazuya Yokota, Toshihiko Ohsumi +2 more | 2017-08-15 |
| 9566573 | Exhaust gas purifying catalyst, method for producing same, and exhaust gas purification method using same | Takashi Baba, Hiroshi Yamada, Koichiro Harada, Yoshiyuki Sato, Akihide Takami | 2017-02-14 |
| 9550176 | Exhaust gas purification catalyst and production method thereof | Yoshiyuki Sato, Hiroshi Yamada, Koichiro Harada, Takashi Baba, Akihide Takami | 2017-01-24 |
| 9550171 | Exhaust gas purification catalyst and method for manufacturing same | Hiroshi Yamada, Koichiro Harada, Takashi Baba, Akihide Takami | 2017-01-24 |
| 9468907 | Exhaust gas component purification catalytic material and catalyzed particulate filter with the catalytic material | Hiroshi Yamada, Takashi Baba, Koichiro Harada, Akihide Takami | 2016-10-18 |
| 9415383 | Exhaust gas purification catalyst | Masaaki Akamine | 2016-08-16 |
| 9381497 | Catalyzed particulate filter | Takashi Baba, Koichiro Harada, Hiroshi Yamada, Akihide Takami | 2016-07-05 |
| 9266093 | Exhaust gas purification catalyst and method for producing the same | Yasuhiro Matsumura, Akihide Takami, Hisaya Kawabata, Masaaki Akamine | 2016-02-23 |
| 9174198 | Exhaust gas purification catalyst | Hisaya Kawabata, Masaaki Akamine, Yasuhiro Matsumura, Akihide Takami | 2015-11-03 |
| 9144788 | Exhaust gas purification catalyst and method for producing the same | Yasuhiro Matsumura, Akihide Takami, Hisaya Kawabata, Masaaki Akamine, Yuki Murakami | 2015-09-29 |
| 8932982 | Exhaust gas purification catalyst | Masaaki Akamine, Yasuhiro Ochi, Yuki Murakami | 2015-01-13 |
| 8912116 | Exhaust gas purification catalyst | Masaaki Akamine, Hideharu Iwakuni, Hisaya Kawabata, Yasuhiro Ochi, Yuki Murakami +2 more | 2014-12-16 |
| 8713921 | Exhaust-gas purification catalytic system | Masaaki Akamine | 2014-05-06 |
| 8679411 | Exhaust-gas purification catalytic system | Masaaki Akamine | 2014-03-25 |
| 8211824 | Exhaust gas purification catalyst | Masaaki Akamine | 2012-07-03 |
| 7235511 | Exhaust gas purifying catalyst | Tomohiko Kawamoto, Katsuyuki Fujita, Tadashi Tokuyama, Masaaki Akamine, Hisaya Kawabata +2 more | 2007-06-26 |
| 6976355 | Exhaust-gas cleaning device for engine | Michihiro Imada, Masayuki Kuroki | 2005-12-20 |
| 6953769 | Exhaust gas purifying catalyst | Hiroshi Yamada, Seiji Miyoshi, Akihide Takami, Kenji Okamoto, Hisaya Kawabata | 2005-10-11 |
| 6927191 | Oxidation catalyst | Hisaya Kawabata, Kazuo Misonoo | 2005-08-09 |
| 6171999 | Method of manufacturing catalyst | Takashi Takemoto, Kazuo Misonoo, Satoshi Ichikawa | 2001-01-09 |
| 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, Akihide Takami, Satoshi Ichikawa +2 more | 2000-09-19 |
| 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, Kazuo Misonoo | 2000-06-20 |
| 5409671 | Catalytic converter for treating exhaust gas | Takashi Takemoto, Yasuto Watanabe, Kazunari Komatsu, Makoto Kyogoku | 1995-04-25 |