Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11440048 | Formation of specialized coatings on products based upon self-differentiating slurries or liquids | — | 2022-09-13 |
| 6734036 | Semiconductor device and method of fabrication | Utpal Kumar Chakrabarti, Bora Onat, Biswanath Roy, Ping-Heng Wu | 2004-05-11 |
| 6437425 | Semiconductor devices which utilize low K dielectrics | Utpal Kumar Chakrabarti, Bora Onat, Biswanath Roy, Ping-Heng Wu | 2002-08-20 |
| 6426830 | Single lens turnable wavelength division multiplexing fabry-perot filter using MEMS technology | — | 2002-07-30 |
| 6301030 | Polarization multiplexer, demultiplexer, and method | — | 2001-10-09 |
| 6137941 | Variable optical attenuator | — | 2000-10-24 |
| 6125221 | Three port optical filter | Ernest Eisenhardt Bergmann, Neal H. Thorsten | 2000-09-26 |
| 6088151 | Optical modulator with variable prism | — | 2000-07-11 |
| 6014486 | Beveled fiber optical tap for use with bulk optic devices | — | 2000-01-11 |
| 5933269 | Common-lens reflective magneto-optical switch | — | 1999-08-03 |
| 5539574 | Optical isolator with fabry-perot ripple reduction | — | 1996-07-23 |