Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5166122 | Process for producing a denitration catalyst | Yasuyoshi Kato, Takashi Michimoto | 1992-11-24 |
| 5151256 | Coal combustion apparatus provided with a denitration | Yasuyoshi Kato, Kunihiko Konishi, Toshiaki Matsuda, Hiroshi Akama | 1992-09-29 |
| 5087600 | Process for producing a catalyst for denitration by catalytic reduction using ammonia | Yasuyoshi Kato, Kunihiko Konishi, Hiroshi Akama, Toshiaki Matsuda | 1992-02-11 |
| 5047378 | Exhaust gas-purifying catalyst and process for purifying exhaust gases | Yasuyoshi Kato, Kunihiko Konishi, Toshiaki Matsuda | 1991-09-10 |
| 4977128 | Catalyst for combustion and process for producing same | Yasuyoshi Kato, Masao Ohta, Kunihiko Konishi | 1990-12-11 |
| 4966882 | Catalyst for denitration by catalytic reduction using ammonia and a process for producing the same | Yasuyoshi Kato, Kunihiko Konishi, Hiroshi Akama, Toshiaki Matsuda | 1990-10-30 |
| 4952548 | Catalyst for removing nitrogen oxides | Yasuyoshi Kato, Kunihiko Konishi, Hiroshi Akama, Toshiaki Matsuda, Fumito Nakajima +2 more | 1990-08-28 |
| 4798813 | Catalyst for removing nitrogen oxide and process for producing the catalyst | Yasuyoshi Kato, Kunihiko Konishi, Toshiaki Matsuda, Meiji Ito, Taiji Kamiguchi +1 more | 1989-01-17 |
| 4711872 | Catalyst for combustion and process for producing same | Yasuyoshi Kato, Masao Ohta, Kunihiko Konishi | 1987-12-08 |