Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6896858 | Gas refining system | Atsushi Tatani, Makoto Susaki, Kazuaki Kimura, Taku Shimizu, Kenji Inoue | 2005-05-24 |
| 5980846 | Gas refining system | Atsushi Tatani, Kazuaki Kimura, Makoto Susaki, Kenji Inoue | 1999-11-09 |
| 5824273 | Gas refining system | Atsushi Tatani, Makoto Susaki, Kazuaki Kimura, Taku Shimizu, Kenji Inoue | 1998-10-20 |
| 5798087 | Method of producing gypsum | Taiichiro Suda, Nagatoshi Fujii, Masami Kawasaki, Yoshiko Moriguchi, Masaki Iijima | 1998-08-25 |
| 4994257 | Method for purifying high-temperature reducing gas | Mitsugi Suehiro, Kenji Inoue, Akira Shimada | 1991-02-19 |
| 4725572 | Process for preparing a catalyst for removing nitrogen oxides | Shigeaki Mitsuoka, Touru Seto, Kozo Iida, Hiroshi Suzumura, Yoshiaki Obayashi | 1988-02-16 |
| 4466947 | Denitration catalyst and denitrating method | Makoto Imanari, Bunzi Oshida, Yusaku Arima, Hirokazu Tanaka, Yoshinori Todo +1 more | 1984-08-21 |
| 4302431 | Process for controlling nitrogen oxides in exhaust gases and apparatus therefor | Masumi Atsukawa, Kazuhiro Matsumoto, Toru Seto, Naohiko Ukawa | 1981-11-24 |
| 4282115 | Catalyst for selectively reducing nitrogen oxides from oxygen-containing exhaust gases | Masumi Atsukawa, Yoshihiko Nishimoto, Naruo Yokoyama | 1981-08-04 |
| 4186109 | Catalyst for selectively reducing nitrogen oxides from oxygen-containing exhaust gases | Masumi Atsukawa, Yoshihiko Nishimoto, Naruo Yokoyama | 1980-01-29 |