CC

Changhua Chen

LU Lumileds Lighting Us: 5 patents #20 of 139Top 15%
SC Sifotonics Technologies Co.: 5 patents #11 of 28Top 40%
AT Agilent Technologies: 1 patents #1,723 of 3,411Top 55%
AX Axt: 1 patents #10 of 25Top 40%
PC Philips Lumileds Lighting Company: 1 patents #104 of 181Top 60%
HP HP: 1 patents #3,612 of 7,018Top 55%
📍 Beijing, CA: #493 of 1,192 inventorsTop 45%
Overall (All Time): #218,177 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
12022918 Fastener tape, slide fastener, skin product, and method of forming fastener tape 2024-07-02
11366084 Ultrasonic flaw detector test block Li Zhang, Hong Mei Zhang, Zhengmao Xu, Zheng Dong, Qingyong Chen +2 more 2022-06-21
11045888 Portable wire cutting device for sampling steel ingot Lingjun He, Hong Mei Zhang, Li Zhang, Leijun Song, Jiayin Xu +6 more 2021-06-29
9977187 Polarization rotator-splitter/combiner based on silicon rib-type waveguides Tuo Shi, Yongbo Shao, Dong Pan 2018-05-22
9946029 Optical coupler having anchored cantilever structure with multi-stage inverse taper core waveguide and fabrication method thereof Tuo Shi, Tzung-I Su, Yongbo Shao, Dong Pan 2018-04-17
9810667 Heel test block Li Zhang, Xiaolei Liu, Yao Ha, Zhengmao Xu, Zheng Dong +1 more 2017-11-07
9429776 Silicon-based rib-waveguide modulator and fabrication method thereof Tuo Shi, Yongbo Shao, Tzung-I Su, Dong Pan 2016-08-30
9285651 Electro-optic silicon modulator with longitudinally nonuniform modulation Dong Pan, Yanwu Zhang, Wang Chen, Pengfei Cai, Ching-yin Hong +1 more 2016-03-15
9223185 Electro-optic silicon modulator with alternative capacitance-loaded coplanar waveguide structures Yanwu Zhang, Dong Pan, Tzungi Su 2015-12-29
7345323 Formation of Ohmic contacts in III-nitride light emitting devices Michael D. Camras, Gina L. Christenson, R. Scott Kern, Chihping Kuo, Paul Scott Martin +2 more 2008-03-18
6914272 Formation of Ohmic contacts in III-nitride light emitting devices Werner Goetz, Michael D. Camras, Gina L. Christenson, R. Scott Kern, Chihping Kuo +2 more 2005-07-05
6888171 Light emitting diode Heng Liu 2005-05-03
6794731 Minority carrier semiconductor devices with improved reliability Stephen A. Stockman, Daniel A. Steigerwald 2004-09-21
6657300 Formation of ohmic contacts in III-nitride light emitting devices Werner Goetz, Michael D. Camras, Gina L. Christenson, R. Scott Kern, Chihping Kuo +2 more 2003-12-02
6630695 InGaN/AlGaN/GaN multilayer buffer for growth of GaN on sapphire James Dong, Heng Liu 2003-10-07
6500257 Epitaxial material grown laterally within a trench and method for producing same Shih-Yuan Wang, Yong Chen, Scott W. Corzine, R. Scott Kern, Richard P. Schneider 2002-12-31
6495867 InGaN/AlGaN/GaN multilayer buffer for growth of GaN on sapphire James Dong, Heng Liu 2002-12-17
6274399 Method of strain engineering and impurity control in III-V nitride semiconductor films and optoelectronic devices R. Scott Kern, Werner Goetz, Chihping Kuo 2001-08-14
6194742 Strain engineered and impurity controlled III-V nitride semiconductor films and optoelectronic devices R. Scott Kern, Werner Goetz, Chihping Kuo 2001-02-27
5909051 Minority carrier semiconductor devices with improved stability Stephen A. Stockman, Daniel A. Steigerwald 1999-06-01