Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8673809 | Low level noble metal-supporting three-way catalyst | Kazuya Inada, Yuji Isogai, Kiyoshi Tanaami | 2014-03-18 |
| 7794679 | Catalyst and method for purification of diesel engine exhaust gas | Naoki Oya, Naohiro Sato | 2010-09-14 |
| 7666375 | Method for catalytic reduction of nitrogen oxides | Norio Suzuki, Hiroshi Ohno, Naohiro Sato | 2010-02-23 |
| 7585477 | Catalyst and method for catalytic reduction of nitrogen oxides | Norio Suzuki, Hiroshi Ohno, Naohiro Sato, Tomoko Morita, Katsuji Wada | 2009-09-08 |
| 7422731 | Catalyst and method for contact decomposition of nitrogen oxides | Hiroshi Ohno | 2008-09-09 |
| 7175822 | Method for catalytic reduction of nitrogen oxides | — | 2007-02-13 |
| 6045765 | Catalyst and method for catalytic reduction of nitrogen oxides | Ritsu Yasukawa, Keiichi Tabata, Kazuyuki Ueda | 2000-04-04 |
| 5853679 | Removal of nitrogen oxide from exhaust gas | Mitsunori Tabata, Masaaki Kawatsuki, Katsumi Miyamoto, Hiroshi Tsuchida, Tomohiro Yoshinari +8 more | 1998-12-29 |
| 5733837 | Catalyst for catalytic reduction of nitrogen oxides | Hiromitsu Shimizu, Ritsu Yasukawa, Katsumi Miyamoto, Hiroshi Tsuchida | 1998-03-31 |
| 5474965 | Catalyst for catalytic reduction of nitrogen oxide | Hiromitsu Shimizu, Ritsu Yasukawa, Masaaki Kawatsuki, Mitsunori Tabata, Hiroshi Tsuchida +2 more | 1995-12-12 |
| 5380692 | Catalyst for catalytic reduction of nitrogen oxide | Hiromitsu Shimizu, Ritsu Yasukawa, Fujio Suganuma, Akihiro Kitazume, Hiroshi Tsuchida +7 more | 1995-01-10 |
| 5336651 | Catalysts and methods for denitrization | Masafumi Yoshimoto, Hiromitsu Shimizu | 1994-08-09 |
| 5232886 | Catalysts and methods for ozone decomposition | Masafumi Yoshimoto, Kazuhiko Nagano | 1993-08-03 |
| 5232882 | Ozone decomposing reactor regeneration | Masafumi Yoshimoto, Kazuhiko Nagano, Tetsuo Tatsu | 1993-08-03 |
| 5227145 | Process for removing nitrogen oxides from exhaust gases | Yoshiaki Kintaichi, Hideaki Hamada, Takehiko Ito, Motoi Sasaki, Fujio Suganuma +4 more | 1993-07-13 |
| 5221649 | Catalysts and methods for ozone decomposition | Masafumi Yoshimoto, Kazuhiko Nagano | 1993-06-22 |
| 5214014 | Deodorizing catalyst | Masafumi Yoshimoto, Kazuhiko Nagano, Kimihiko Yoshida | 1993-05-25 |
| 5212140 | Catalyst for decomposing ozone | Masafumi Yoshimoto, Kazuhiko Nagano, Kimihiko Yoshida | 1993-05-18 |
| 5180567 | Exhaust gas treating method | Masafumi Yoshimoto, Kimihiko Yoshida | 1993-01-19 |
| 5169814 | Catalysts for denitrization | Masafumi Yoshimoto, Kazuhiko Nagano | 1992-12-08 |
| 5169619 | Method of producing titanium oxides | Masafumi Yoshimoto, Kazuhiko Nagano | 1992-12-08 |
| 5162287 | Particulate removing catalyst filter | Masafumi Yoshimoto, Kazuhiko Nagano, Kimihiko Yoshida | 1992-11-10 |
| 5160586 | Ozone decomposing reactor | Masafumi Yoshimoto, Kazuhiko Nagano, Tetsuo Tatsu | 1992-11-03 |
| 5158654 | Ozone decomposing reactor and regeneration thereof | Masafumi Yoshimoto, Kazuhiko Nagano, Kimihiko Yoshida, Masahiro Tanaka | 1992-10-27 |
| 5128305 | Catalyst for denitrization | Masafumi Yoshimoto, Kazuhiko Nagano | 1992-07-07 |