Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4221560 | Apparatus for regeneration of wet spent active carbon | Hideji Idei, Mitsuhiko Iwasaki, Michio Ito, Toshimichi Hirabayashi, Zenji Matsumoto | 1980-09-09 |
| 4210628 | Removal of nitrogen oxides | Hiroshi Nishino, Toshio Aibe, Kiyoshi Itoga | 1980-07-01 |