Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12379092 | 3D printed internal cavity lens for lighting applications | Akila Shan Udage | 2025-08-05 |
| 12352408 | 3-D optics with beam forming features | Ukwatte Lokuliyanage Indika Upendra Perera | 2025-07-08 |
| 12265247 | Edge-lit light panel | Xi Mou | 2025-04-01 |
| 11725810 | Heat sink for luminaire and luminaire arrangements having a heat sink | John Trublowski, Lucas Stahl, Jeremy Santiago, Christopher Ring, Adikaramge Asiri Jayawardena +3 more | 2023-08-15 |
| 11028979 | Lighting source using solid state emitter and phosphor materials | Yimin Gu | 2021-06-08 |
| 10969272 | Method, system, and sensor assembly for determining light composition at a target location | Yiting Zhu, Jean Paul Freyssinier, Yi-Wei Liu, Dinusha Thotagamuwa | 2021-04-06 |
| 10527258 | Scattered-photon extraction-based light fixtures | Yimin Gu, Jean Paul Freyssinier, Yiting Zhu | 2020-01-07 |
| 10305001 | High-power white LEDs | Yimin Gu | 2019-05-28 |
| 9746142 | Scattered-photon extraction-based fixtures | Yimin Gu, Jean Paul Freyssinier, Yiting Zhu | 2017-08-29 |
| 9447945 | Lighting source using solid state emitter and phosphor materials | Yimin Gu | 2016-09-20 |
| 9103534 | Scattered-photon extraction-based light fixtures | Yimin Gu, Jean Paul Freyssinier, Yiting Zhu | 2015-08-11 |
| 9105816 | High-power white LEDs | Yimin Gu | 2015-08-11 |
| 8960953 | Lighting source using solid state emitter and phosphor materials | Yimin Gu | 2015-02-24 |
| 8764225 | Lighting source using solid state emitter and phosphor materials | Yimin Gu | 2014-07-01 |
| 8646927 | Scattered-photon extraction-based light fixtures | Yimin Gu, Jean Paul Freyssinier, Yiting Zhu | 2014-02-11 |
| 8292468 | Solid state light source light bulb | Jean Paul Freyssinier, Yiting Zhu | 2012-10-23 |
| 8164825 | High-power white LEDs and manufacturing method thereof | Yimin Gu | 2012-04-24 |
| 8031393 | High-power white LEDs and manufacturing method thereof | Yimin Gu | 2011-10-04 |
| 7889421 | High-power white LEDs and manufacturing method thereof | Yimin Gu | 2011-02-15 |
| 7837348 | Lighting system using multiple colored light emitting sources and diffuser element | Yimin Gu | 2010-11-23 |
| 7819549 | High efficiency light source using solid-state emitter and down-conversion material | Yimin Gu, Jean Paul Freyssinier | 2010-10-26 |
| 7750359 | Package design for producing white light with short-wavelength LEDS and down-conversion materials | Yimin Gu | 2010-07-06 |
| 7703942 | High-efficient light engines using light emitting diodes | Jean Paul Freyssinier, Yimin Gu | 2010-04-27 |
| 5760391 | Passive optical wavelength analyzer with a passive nonuniform optical grating | — | 1998-06-02 |
| 5594819 | Field-mountable fiber optic sensors for long term strain monitoring in hostile environments | Joseph M. Weiss | 1997-01-14 |