Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6136070 | Gas refining method using a pressure swing adsorption method | Hiroyuki Sato, Eiji Minagawa | 2000-10-24 |
| 5401472 | Apparatus for producing high surface area active carbon | Masahiro Kawakami, Toshiro Otowa, Kazuhiko Higuchi | 1995-03-28 |