Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5158582 | Method of removing NOx by adsorption, NOx adsorbent and apparatus for purifying NOx-containing gas | Shigenori Onitsuka, Masayoshi Ichiki | 1992-10-27 |
| 4424062 | Process and apparatus for chemically removing ash from coal | Yasumi Kamino, Shigenori Onitsuka, Katsuyuki Yano | 1984-01-03 |