Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5294584 | Process for producing a denitration catalyst | Naomi Yoshida, Hitoshi Yamasaki, Ikuhisa Hamada, Yasuyoshi Kato, Kunihiko Konishi +1 more | 1994-03-15 |
| 5155083 | Catalyst for reducing nitrogen oxides and process for making the catalyst | Naomi Yoshida, Hitoshi Yamasaki, Ikuhisa Hamada, Yasuyoshi Kato, Kunihiko Konishi +1 more | 1992-10-13 |
| 5151256 | Coal combustion apparatus provided with a denitration | Yasuyoshi Kato, Kunihiko Konishi, Nobue Teshima, Hiroshi Akama | 1992-09-29 |
| 5087600 | Process for producing a catalyst for denitration by catalytic reduction using ammonia | Yasuyoshi Kato, Kunihiko Konishi, Hiroshi Akama, Nobue Teshima | 1992-02-11 |
| 5059576 | Catalyst for removing nitrogen oxides and a process for producing the same | Yasuyoshi Kato, Fumito Nakajima, Ikuhisa Hamada, Masahiro Nitta, Kunihiko Konishi +3 more | 1991-10-22 |
| 5047378 | Exhaust gas-purifying catalyst and process for purifying exhaust gases | Yasuyoshi Kato, Nobue Teshima, Kunihiko Konishi | 1991-09-10 |
| 4966882 | Catalyst for denitration by catalytic reduction using ammonia and a process for producing the same | Yasuyoshi Kato, Kunihiko Konishi, Hiroshi Akama, Nobue Teshima | 1990-10-30 |
| 4952548 | Catalyst for removing nitrogen oxides | Yasuyoshi Kato, Kunihiko Konishi, Hiroshi Akama, Nobue Teshima, Fumito Nakajima +2 more | 1990-08-28 |
| 4798813 | Catalyst for removing nitrogen oxide and process for producing the catalyst | Yasuyoshi Kato, Kunihiko Konishi, Meiji Ito, Taiji Kamiguchi, Nobue Teshima +1 more | 1989-01-17 |