Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7553690 | Starved source diffusion for avalanche photodiode | Rashit Nabiev, Richard Ratowsky, David Bruce Young, Sunil Thomas, Roman Dimitrov | 2009-06-30 |
| 7445605 | Detection of apex motion for monitoring cardiac dysfunction | William Overall, Aimee B. Angel, R. Hardwin Mead | 2008-11-04 |
| 7149236 | Optoelectronic semiconductor device | Ashish Verma, Arnold C. Chen | 2006-12-12 |
| 7099075 | Tunable segmented distributed bragg reflector for linear optical amplifier | Richard Ratowsky, Ashish Verma | 2006-08-29 |
| 7057803 | Linear optical amplifier using coupled waveguide induced feedback | Richard Ratowsky, Ashish Verma | 2006-06-06 |
| 6980577 | Vertical laser cavity with a non-planar top mirror | Chris Decker | 2005-12-27 |
| 6977424 | Electrically pumped semiconductor active region with a backward diode, for enhancing optical signals | Jeffrey D. Walker, Peter W. Evans, Paul Liu | 2005-12-20 |
| 6647041 | Electrically pumped vertical optical cavity with improved electrical performance | Ashish Verma, Arnold C. Chen | 2003-11-11 |
| 6445495 | Tunable-gain lasing semiconductor optical amplifier | Jeffrey D. Walker, Sol P. DiJaili | 2002-09-03 |
| 6351260 | User input device for a computer system | David Graham | 2002-02-26 |
| 6181842 | Position digitizer waveguide array with integrated collimating optics | David Graham | 2001-01-30 |
| 5914709 | User input device for a computer system | David Graham | 1999-06-22 |
| 5627852 | Semiconductor laser geometry for broad-angle far-field addressing | Yan Sun, Stephen Biellak, Constance J. Chang-Hasnain | 1997-05-06 |