Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8649650 | Method for fabricating rare earth (RE) doped optical fiber using a new codopant | Ranjan Sen, Anirban Dhar, Mukul Chandra Paul | 2014-02-11 |
| 7368405 | Process of making silicon—silicon carbide ceramic using biopreform, silicon—silicon carbide ceramic obtained thereby | Omprakash Chakrabarti, Rabindranath Mazumdar | 2008-05-06 |
| 7309425 | Apparatus for the preparation of arsenic free water | Sibdas Bandyopadhya, Dipali Kundu, Somendra Nath Roy, Bishnupada Ghosh | 2007-12-18 |
| 7014771 | Process for preparing water having an arsenic level of less than 10 PPB | Sibdas Bandyopadhyay, Dipali Kundu, Somendra Nath Roy, Bishnupada Ghosh | 2006-03-21 |