Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612276 | Adsorbents for removing low-concentration nitrogen oxides | Masayoshi Ichiki, Chikashi Inazumi, Takanobu Watanabe, Atsushi Fukuju, Masaki Akiyama +2 more | 1997-03-18 |
| 5439868 | Absorbents for removing low-concentration nitrogen oxides | Masayoshi Ichiki, Chikashi Inazumi, Takanobu Watanabe, Atsushi Fukuju, Masaki Akiyama +2 more | 1995-08-08 |
| 5435981 | Method of adsorbing and removing nitrogen oxides | Masayoshi Ichiki, Takanobu Watanabe, Atsushi Fukuju, Teruo Iwamoto | 1995-07-25 |
| 5171552 | Dry processes for treating combustion exhaust gas | Yoshimasa Miura, Etsuo Ogino, Michio Ito, Toshio Hama, Michio Ishida +2 more | 1992-12-15 |
| 5158582 | Method of removing NOx by adsorption, NOx adsorbent and apparatus for purifying NOx-containing gas | Masayoshi Ichiki, Takanobu Watanabe | 1992-10-27 |
| 4424062 | Process and apparatus for chemically removing ash from coal | Yasumi Kamino, Takanobu Watanabe, Katsuyuki Yano | 1984-01-03 |