Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4911775 | Method of manufacturing dehumidifier element | Hiroshi Okano | 1990-03-27 |
| 4886769 | Active gas adsorbing element and method of manufacturing | Hiroshi Okano | 1989-12-12 |
| 4871607 | Humidity exchanger element | Hiroshi Okano | 1989-10-03 |
| 4735449 | Method of supporting and/or conveying a plate with fluid without physical contact | — | 1988-04-05 |