Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8212496 | End-of-life protection circuit and method for high intensity discharge lamp ballast | Bhavinkumar Shah, Yiyoung Sun | 2012-07-03 |
| 8154211 | End-of-life protection circuit and method for high intensity discharge lamp ballast | Bhavinkumar Shah, Yiyoung Sun | 2012-04-10 |
| 7339330 | Methods and circuits for instant hot restart of high intensity discharge lamps | Jakob Maya, John C. Chamberlain, Shinichi Anami | 2008-03-04 |
| 7323824 | Methods and apparatus for operating very high pressure short arc discharge lamps | Jakob Maya | 2008-01-29 |
| 7262553 | High efficacy metal halide lamp with configured discharge chamber | Shinichi Anami, Huiling Zhu, Stefaan Lambrechts, Jakob Maya | 2007-08-28 |
| 7164232 | Seal for ceramic discharge lamp arc tube | Huiling Zhu, Jakob Maya | 2007-01-16 |
| 7138765 | High efficacy lamp in a configured chamber | Shinichi Anami, Stefaan Lambrechts, Huiling Zhu, Jakob Maya | 2006-11-21 |
| 6731069 | Mercury-free metal halide arc lamps | P. Bruce Newell, Elliot F. Wyner | 2004-05-04 |
| 6392346 | Chemical composition for mercury free metal halide lamp | P. Bruce Newell, Richard A. Snellgrove | 2002-05-21 |
| 6201348 | Capacitive coupling starting aid for metal halide lamp | Edward H. Nortrup, Elliot F. Wyner | 2001-03-13 |
| 6166495 | Square wave ballast for mercury free arc lamp | P. Bruce Newell | 2000-12-26 |
| 6124683 | System for and method of operating a mercury free discharge lamp | Joseph A. Olsen, Warren P. Moskowitz, P. Bruce Newell | 2000-09-26 |
| 5694002 | Metal halide lamp with improved color characteristics | Zeya K. Krasko | 1997-12-02 |
| 5486737 | Heavily loaded double-ended arc lamp | David M. Hrubowchak | 1996-01-23 |
| 5258687 | Mercury vapor discharge device | George L. Duggan, David Alan Goodman | 1993-11-02 |
| 5100031 | Method and apparatus for dosing and dispensing mercury into discharge lamps | Philippe Verborg, James C. Morris | 1992-03-31 |