Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6569301 | Cation exchange membrane selectively permeable to monovalent cations and method for its production | Yoshio Sugaya, Yoshiharu Aoki | 2003-05-27 |
| 5620500 | Dehumidifying method | Junjiro Iwamoto, Kei Nishii | 1997-04-15 |