Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |