Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635142 | NO.sub.x adsorption and removal apparatus | Masayoshi Ichiki, Teruo Iwamoto, Takanobu Watanabe, Seietsu Kikuchi, Kaizo Agari +2 more | 1997-06-03 |
| 5612276 | Adsorbents for removing low-concentration nitrogen oxides | Shigenori Onitsuka, Masayoshi Ichiki, Chikashi Inazumi, Takanobu Watanabe, Atsushi Fukuju +2 more | 1997-03-18 |
| 5439868 | Absorbents for removing low-concentration nitrogen oxides | Shigenori Onitsuka, Masayoshi Ichiki, Chikashi Inazumi, Takanobu Watanabe, Atsushi Fukuju +2 more | 1995-08-08 |