Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9206508 | Laser assisted chemical vapor deposition of silicon | Alleppey V. Hariharan | 2015-12-08 |
| 9067338 | Method to convert waste silicon to high purity silicon | Alleppey V. Hariharan | 2015-06-30 |
| 9067792 | Laser conversion of high purity silicon powder to densified granular forms | Alleppey V. Hariharan | 2015-06-30 |
| 9061439 | Recovery of silicon from kerf silicon waste | Alleppey V. Hariharan | 2015-06-23 |
| 6856091 | Seal for ceramic metal halide discharge lamp chamber | Timothy Kelly, Huiling Zhu | 2005-02-15 |
| 6528945 | Seal for ceramic metal halide discharge lamp | Timothy Kelly | 2003-03-04 |
| 6522085 | High light output electrodeless fluorescent closed-loop lamp | Oleg Popov, Robert Chandler, Edward K. Shapiro | 2003-02-18 |
| 5852343 | Fluorescent lamp with adjustable color temperature | Michael J. Shea, Joseph Connolly, Munisamy Anandan | 1998-12-22 |
| 5726523 | Electrodeless fluorescent lamp with bifilar coil and faraday shield | Oleg Popov, Jakob Maya | 1998-03-10 |
| 5637965 | Low pressure sodium-mercury lamp yielding substantially white light | Jakob Maya | 1997-06-10 |
| 5592052 | Variable color temperature fluorescent lamp | Jakob Maya | 1997-01-07 |
| 5331250 | Thick film resistor for use in a vacuum and a high pressure discharge lamp having such a resistor | Gerard Van Bockstal, Go Suzuki, Kouji Shirasu | 1994-07-19 |
| 5327046 | High pressure discharge lamp having overcurrent fuse protection | Gerard Luijks | 1994-07-05 |
| 5159242 | High pressure discharge lamp having an integral thick film resistor with multiple resistive elements | — | 1992-10-27 |
| 5142188 | High pressure discharge lamp utilizing an unsaturated type discharge tube | Kris Aelterman | 1992-08-25 |
| 5028845 | High-pressure series arc discharge lamp construction | Kenneth E. Pearson, Jay J. Palmer, Ronald C. Marburger, John P. Dunn, Kent Collins +5 more | 1991-07-02 |
| 4975622 | HPS discharge lamp with simplified starting aid structure | — | 1990-12-04 |
| 4963791 | High pressure sodium discharge tube support structure | Ray Gibson | 1990-10-16 |