Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9890676 | Exhaust gas purification catalyst device and exhaust gas purification method | Yasuhiro Matsumura, Hiroshi Yamada, Masahiko Shigetsu | 2018-02-13 |
| 9732648 | Catalyst device for exhaust gas purification and method for exhaust gas purification | Hiroshi Yamada, Masahiko Shigetsu, Yasuhiro Matsumura, Kazuya Yokota, Toshihiko Ohsumi +2 more | 2017-08-15 |
| 9266093 | Exhaust gas purification catalyst and method for producing the same | Yasuhiro Matsumura, Akihide Takami, Masahiko Shigetsu, Masaaki Akamine | 2016-02-23 |
| 9174198 | Exhaust gas purification catalyst | Masaaki Akamine, Yasuhiro Matsumura, Masahiko Shigetsu, Akihide Takami | 2015-11-03 |
| 9144788 | Exhaust gas purification catalyst and method for producing the same | Yasuhiro Matsumura, Akihide Takami, Masahiko Shigetsu, Masaaki Akamine, Yuki Murakami | 2015-09-29 |
| 8912116 | Exhaust gas purification catalyst | Masaaki Akamine, Hideharu Iwakuni, Yasuhiro Ochi, Yuki Murakami, Susumu MINEOI +2 more | 2014-12-16 |
| 7235511 | Exhaust gas purifying catalyst | Tomohiko Kawamoto, Katsuyuki Fujita, Tadashi Tokuyama, Masahiko Shigetsu, Masaaki Akamine +2 more | 2007-06-26 |
| 6953769 | Exhaust gas purifying catalyst | Hiroshi Yamada, Seiji Miyoshi, Akihide Takami, Kenji Okamoto, Masahiko Shigetsu | 2005-10-11 |
| 6927191 | Oxidation catalyst | Masahiko Shigetsu, Kazuo Misonoo | 2005-08-09 |