Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7655064 | Particulate matter-containing exhaust emission controlling filter, exhaust emission controlling method and device | Yasuyoshi Kato, Eiji Miyamoto, Naomi Imada, Masatochi Fujisawa, Kazuki Kobayashi +2 more | 2010-02-02 |
| 6833117 | Exhaust emission control catalyst element, catalyst structure, production method thereof, exhaust emission control apparatus and exhaust emission control method using the apparatus | Yasuyoshi Kato, Yoshinori Nagai, Kouichi Yokoyama, Naomi Yoshida, Eiji Miyamoto +1 more | 2004-12-21 |
| 6063342 | Catalyst unit and gas purifying apparatus | Yasuyoshi Kato, Tomihisa Ishikawa, Yoshinori Nagai, Isato Morita, Masato Mukai +3 more | 2000-05-16 |
| 5792432 | Catalyst unit and gas purifying apparatus | Yasuyoshi Kato, Tomihisa Ishikawa, Yoshinori Nagai, Isato Morita, Masato Mukai +3 more | 1998-08-11 |
| 5166122 | Process for producing a denitration catalyst | Nobue Teshima, Yasuyoshi Kato | 1992-11-24 |
| 5011810 | Plate-shaped catalyst and method of producing same | Yukinari Nakamoto, Kazuhiko Kuwada, Nobuyoshi Ishida | 1991-04-30 |
| 5004718 | Process for calcining a denitrating catalyst | Nobuyoshi Ishida, Katsutaro Miyake, Toshio Ichige | 1991-04-02 |
| 4881883 | System for continuously producing plate-shaped catalysts | Saburo Kudo, Kazuhiko Kuwada, Nobuyoshi Ishida | 1989-11-21 |