Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6996320 | Using deuterated source gases to fabricate low loss GeSiON and SiON waveguides | Robert Alan Bellman, Paul Arthur Sachenik, Thomas P. Grandi | 2006-02-07 |
| 6768856 | High germanium content waveguide materials | Robert Alan Bellman, Lynn Bernard Simpson | 2004-07-27 |
| 6449420 | Germanium silicon oxynitride high index films for planar waveguides | Robert Alan Bellman, Thomas P. Grandi, Paul Arthur Sachenik | 2002-09-10 |
| 6408125 | Germanium silicon oxynitride high index films for planar waveguides | Robert Alan Bellman, Thomas P. Grandi, Paul Arthur Sachenik | 2002-06-18 |