Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11312092 | Tiled retroreflector with multi-stage dicing | Steven R. Chapman, Ethelbert GALICIA | 2022-04-26 |
| 10989845 | Method of making an array of aberrated optical elements | Steven R. Chapman, Kejian (Kevin) Huang | 2021-04-27 |
| 10293560 | Tiled retroreflector with multi-stage dicing | Steven R. Chapman, Ethelbert GALICIA | 2019-05-21 |
| 10041275 | Combination lock structure for simple password retrieval | — | 2018-08-07 |
| 9308696 | Retroreflective sheet structure | — | 2016-04-12 |
| 9218755 | Direction active projection | Steven R. Chapman | 2015-12-22 |
| 9174308 | Laser scoring of metal/polymer structures | Christopher Chow, James J. Bucklew, Daniel B. Miller | 2015-11-03 |
| 9159553 | Semipolar or nonpolar nitride-based devices on partially or fully relaxed alloys with misfit dislocations at the heterointerface | Hiroaki Ohta, Anurag Tyagi, Arpan Chakraborty, James S. Speck, Steven P. DenBaars +2 more | 2015-10-13 |
| 8866126 | Anisotropic strain control in semipolar nitride quantum wells by partially or fully relaxed aluminum indium gallium nitride layers with misfit dislocations | Hiroaki Ohta, Anurag Tyagi, Arpan Chakraborty, James S. Speck, Steven P. DenBaars +2 more | 2014-10-21 |
| 8783880 | Rulable multi-directional prism cluster retroreflective sheeting | Steven R. Chapman, Ethelbert GALICIA | 2014-07-22 |
| 8481991 | Anisotropic strain control in semipolar nitride quantum wells by partially or fully relaxed aluminum indium gallium nitride layers with misfit dislocations | Hiroaki Ohta, Anurag Tyagi, Arpan Chakraborty, James S. Speck, Steven P. DenBaars +2 more | 2013-07-09 |
| 8248691 | Infrared light transmission film | Guang-Xue Wei | 2012-08-21 |
| 8231234 | Metallized retroreflective sheeting with increased daytime brightness | Steven R. Chapman, Kejian (Kevin) Huang | 2012-07-31 |
| 8226249 | Metallized retroreflective sheeting with increased daytime brightness | Steven R. Chapman, Kejian (Kevin) Huang | 2012-07-24 |
| 8177374 | Retroreflective sheet structure | — | 2012-05-15 |
| 7922344 | Metallized retroreflective sheeting with increased daytime brightness | Steven R. Chapman, Kejian (Kevin) Huang | 2011-04-12 |