Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6589904 | Activated carbon and method for producing it | Hideharu Iwasaki, Nozomu Sugo, Yoshifumi Egawa, Hajime Aoki | 2003-07-08 |
| 6554886 | Porous adsorbent and filter | Takayuki Yoshikawa, Masaki Fukuura | 2003-04-29 |