Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6375852 | Calix [4] arene polymer, method of manufacturing the same and method of separating divalent lead ion by use of the same | Keisuke Ohto, Shinya WAKISAKA, Takaaki Shinohara | 2002-04-23 |