Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815396 | Adsorbents made of styrene polymers | Norio Tomotsu | 2004-11-09 |
| 6706088 | Method for controlling membrane permeability by microwave and method for producing organic separation membrane | Hiroaki Yoshimizu, Misao Miyamoto | 2004-03-16 |