Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11846394 | LED-based replacement for fluorescent light source | Calvin B. Ward | 2023-12-19 |
| 11428371 | LED-based replacement for fluorescent light source | Calvin B. Ward | 2022-08-30 |
| 10966300 | Light sources utilizing segmented LEDs to compensate for manufacturing variations in the light output of individual segmented LEDs | Syn-Yem Hu, Steven D. Lester | 2021-03-30 |
| 10551008 | LED-based replacement for fluorescent light source | Calvin B. Ward | 2020-02-04 |
| 10334674 | Light sources utilizing segmented LEDs to compensate for manufacturing variations in the light output of individual segmented LEDs | Syn-Yem Hu, Steven D. Lester | 2019-06-25 |
| 10132450 | LED-based replacement for fluorescent light source | Calvin B. Ward | 2018-11-20 |
| 9913333 | Light sources utilizing segmented LEDs to compensate for manufacturing variations in the light output of individual segmented LEDs | Syn-Yem Hu, Steven D. Lester | 2018-03-06 |
| 9634062 | Light sources utilizing segmented LEDs to compensate for manufacturing variations in the light output of individual segmented LEDs | Syn-Yem Hu, Steven D. Lester | 2017-04-25 |
| 9599287 | LED-based replacement for fluorescent light source | Calvin B. Ward | 2017-03-21 |
| 9472593 | Light sources utilizing segmented LEDs to compensate for manufacturing variations in the light output of individual segmented LEDs | Syn-Yem Hu, Steven D. Lester | 2016-10-18 |
| RE46155 | Series connected segmented LED | — | 2016-09-20 |
| 9419183 | Nanowire sized opto-electronic structure and method for manufacturing the same | Truls Lowgren | 2016-08-16 |
| 8937295 | Nanowire sized opto-electronic structure and method for manufacturing the same | Truls Lowgren | 2015-01-20 |
| 8668361 | LED-based replacement for fluorescent light source | Calvin B. Ward | 2014-03-11 |
| 8455332 | Method and apparatus for manufacturing LED devices using laser scribing | Norihito Hamaguchi | 2013-06-04 |
| 8436549 | Drive circuit for a color temperature tunable LED light source | — | 2013-05-07 |
| 8350485 | Modular LED light bulb | — | 2013-01-08 |
| 8350251 | Nanowire sized opto-electronic structure and method for manufacturing the same | Truls Lowgren | 2013-01-08 |
| 8338848 | LED structure | Steven D. Lester | 2012-12-25 |
| 8324636 | Method and apparatus for manufacturing LED devices using laser scribing | Norihito Hamaguchi | 2012-12-04 |
| 8207543 | Series connected segmented LED | — | 2012-06-26 |
| 8084775 | Light sources with serially connected LED segments including current blocking diodes | Steven D. Lester, Syn-Yem Hu, Jeff Ramer | 2011-12-27 |
| 8035284 | Distributed LED-based light source | — | 2011-10-11 |
| 8026527 | LED structure | Steven D. Lester | 2011-09-27 |
| 7982409 | Light sources utilizing segmented LEDs to compensate for manufacturing variations in the light output of individual segmented LEDs | Syn-Yem Hu, Steven D. Lester | 2011-07-19 |