Issued Patents All Time
Showing 51–73 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7122128 | Phosphors containing borate of terbium, alkaline-earth, and Group-3 metals, and light sources incorporating the same | Holly Ann Comanzo, Venkatesan Manivannan, Alok Mani Srivastava | 2006-10-17 |
| 7119488 | Optimized phosphor system for improved efficacy lighting sources | Thomas F. Soules, Michael Greci, Anant Achyut Setlur, Holly Ann Comanzo, Venkatesan Manivannan +1 more | 2006-10-10 |
| 7077980 | Phosphors containing oxides of alkaline-earth and group-13 metals, and light sources incorporating the same | Gopi Chandran Ramachandran, Mukunda Adyam, Shankar Venugopal, Anant Achyut Setlur, Alok Mani Srivastava +2 more | 2006-07-18 |
| 6879091 | Composite electrode materials for electric lamps and methods of manufacture thereof | Shankar Venugopal, Alok Mani Srivastava, Holly Ann Comanzo, Vikas Midha, Gopi Chandran Ramachandran +1 more | 2005-04-12 |
| 6853131 | Single phosphor for creating white light with high luminosity and high CRI in a UV LED device | Alok Mani Srivastava, Anil Raj Duggal, Holly Ann Comanzo | 2005-02-08 |
| 6849996 | Electrode materials for electric lamps and methods of manufacture thereof | Shankar Venugopal, Alok Mani Srivastava, Holly Ann Comanzo, Vikas Midha, Gopi Chandran Ramachandran +1 more | 2005-02-01 |
| 6774556 | Device with Mn2+ activated green emitting SrAl12O19 luminescent material | Alok Mani Srivastava, Holly Ann Comanzo, Douglas A. Doughty | 2004-08-10 |
| 6580097 | Light emitting device with phosphor composition | Thomas F. Soules, Alok Mani Srivastava, Lionel M. Levinson, Anil Raj Duggal | 2003-06-17 |
| 6522065 | Single phosphor for creating white light with high luminosity and high CRI in a UV led device | Alok Mani Srivastava, Anil Raj Duggal, Holly Ann Comanzo | 2003-02-18 |
| 6469322 | Green emitting phosphor for use in UV light emitting diodes | Alok Mani Srivastava, Holly Ann Comanzo | 2002-10-22 |
| 6436313 | Rare earth doped halophosphate phosphor | Alok Mani Srivastava, Thomas F. Soules, Holly Ann Comanzo | 2002-08-20 |
| 6402987 | YMO4:Eu,L phoshpor with improved lumen maintenance | Alok Mani Srivastava, Charles D. Greskovich, Steven Jude Duclos, Holly Ann Comanzo | 2002-06-11 |
| 6384534 | Electrode material for fluorescent lamps | Alok Mani Srivastava, Holly Ann Comanzo, Laurence Bigio, Thomas F. Soules, Emoke Abasari | 2002-05-07 |
| 6302959 | Mn2+ activated green emitting SrAl12O19 luminescent material | Alok Mani Srivastava, Holly Ann Comanzo, Douglas A. Doughty | 2001-10-16 |
| 6294800 | Phosphors for white light generation from UV emitting diodes | Anil Raj Duggal, Alok Mani Srivastava, John M. Davenport, Thomas F. Soules | 2001-09-25 |
| 6278135 | Green-light emitting phosphors and light sources using the same | Alok Mani Srivastava | 2001-08-21 |
| 6252254 | Light emitting device with phosphor composition | Thomas F. Soules, Alok Mani Srivastava, Lionel M. Levinson, Anil Raj Duggal | 2001-06-26 |
| 6210605 | Mn2+ activated green emitting SrAL12O19 luminiscent material | Alok Mani Srivastava, Holly Ann Comanzo, Douglas A. Doughty | 2001-04-03 |
| 5788883 | Determination process for determining if quantum splitting phosphors are obtained and novel compositions | Alok Mani Srivastava | 1998-08-04 |
| 5571451 | Quantum splitting oxide phosphor and method of making | Alok Mani Srivastava | 1996-11-05 |
| 5552082 | Quantum splitting oxide phosphor and method of making | Alok Mani Srivastava | 1996-09-03 |
| 4638214 | Fluorescent lamp containing aluminate phosphor | Thomas G. Parham | 1987-01-20 |
| 4631144 | Aluminate phosphor | Thomas G. Parham | 1986-12-23 |