Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6156698 | Honeycomb catalyst and manufacturing method therefor | Kozo Iida, Shigeru Nojima, Atsushi Morii, Osamu Naito | 2000-12-05 |
| 6080376 | Methods of denitrating exhaust gases | Kouzo Iida, Shigeru Nojima, Norihisa Kobayashi, Satoru Serizawa | 2000-06-27 |
| 6025292 | Method for the regeneration of a denitration catalyst | Kouzo Iida, Atsushi Morii, Osamu Naito, Akira Hattori | 2000-02-15 |
| 5882422 | Method for removing clogging dust in honeycomb catalyst | Kozo Iida, Kazuo Ideue, Mitsunori Ooizumi, Osamu Naito | 1999-03-16 |
| 5869419 | Nitrogen oxide removal catalyst | Kozo Iida, Shigeru Nojima, Atsushi Morii, Osamu Naito | 1999-02-09 |
| 5728356 | Methods of denitrating exhaust gases | Kouzo Iida, Shigeru Nojima, Norihisa Kobayashi, Satoru Serizawa | 1998-03-17 |
| 5271913 | Denitration catalyst for high-temperature exhaust gas | Kouza Iida, Satoru Serizawa | 1993-12-21 |
| 4966873 | Catalysts for the removal of nitrogen oxides | Kozo Iida, Toru Seto | 1990-10-30 |
| 4952381 | Method for denitrizing nitrogen oxides contained in waste gas | Horiaki Rikimaru, Tadao Nakatsuji, Toshikatsu Umaba, Kazuhiko Nagano, Kazuya Mishina +11 more | 1990-08-28 |
| 4725572 | Process for preparing a catalyst for removing nitrogen oxides | Toshikuni Sera, Shigeaki Mitsuoka, Touru Seto, Kozo Iida, Hiroshi Suzumura | 1988-02-16 |
| 4656147 | Method for recovering denitrating catalyst for ammonia catalytic reduction | Kozo Iida, Tsuneo Nagano, Naruo Yokoyama, Shigeaki Mitsuoka | 1987-04-07 |
| 4615991 | Method for recovering denitrating catalyst | Shigeaki Mitsuoka | 1986-10-07 |
| 4564604 | Catalyst for treating waste gases | Kozo Iida | 1986-01-14 |