Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672422 | Packing material for column and process for production thereof | Taketoshi Kanda, Michio Yokouchi, Yutaka Ohtsu | 1997-09-30 |
| 5135649 | Column packing material with both hydrophobic and hydrophilic groups and process for production thereof | Taketoshi Kanda, Tadao Ohta, Yutaka Ohtsu | 1992-08-04 |