Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366085 | Fibrous activated carbon with metal chelate compound supported thereon, process for producing the same | Yoshihumi Kawakatsu, Minoru Hirai, Kazuo Izumi | 1982-12-28 |
| 4362646 | Process for the production of fibrous activated carbon | Minoru Hirai, Kazuo Izumi | 1982-12-07 |