Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423283 | Method for removing NOx | Masayoshi Ichiki, Masaki Akiyama | 2002-07-23 |
| 6171372 | Nitrogen dioxide absorbent | Masayoshi Ichiki, Yuki Sairyo | 2001-01-09 |
| 5840649 | NOx adsorbents | Masayoshi Ichiki, Yuki Sairyo, Kazuhiro Kondo | 1998-11-24 |
| 5635142 | NO.sub.x adsorption and removal apparatus | Masayoshi Ichiki, Teruo Iwamoto, Takanobu Watanabe, Hidetsugu Kobayashi, Seietsu Kikuchi +2 more | 1997-06-03 |
| 5612276 | Adsorbents for removing low-concentration nitrogen oxides | Shigenori Onitsuka, Masayoshi Ichiki, Chikashi Inazumi, Takanobu Watanabe, Masaki Akiyama +2 more | 1997-03-18 |
| 5439868 | Absorbents for removing low-concentration nitrogen oxides | Shigenori Onitsuka, Masayoshi Ichiki, Chikashi Inazumi, Takanobu Watanabe, Masaki Akiyama +2 more | 1995-08-08 |
| 5435981 | Method of adsorbing and removing nitrogen oxides | Masayoshi Ichiki, Takanobu Watanabe, Shigenori Onitsuka, Teruo Iwamoto | 1995-07-25 |