Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4219441 | Aqueous alkali or alkaline treat and heat regeneration of NH.sub.4.sup.+ a d | Yusaku Noshimura, Yasuo Koseki, Masayoshi Kubota, Shoji Kubota | 1980-08-26 |
| 4205459 | Apparatus for regenerating an adsorbent | Yasuo Koseki, Toyohiko Kaneko, Masayoshi Kubota | 1980-06-03 |
| 4198293 | Tubular membrane separation process and apparatus therefor | Toshio Ogawa, Katsuya Ebara | 1980-04-15 |