David Chang — 17 Patents at AT&T

David Chang has been granted 17 US patents while listed as an inventor at AT&T. The first was granted in 1989 and the most recent in June 2017. David Chang ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list David Chang in Houston, TX, US.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9673363	Reflective mounting substrates for flip-chip mounted horizontal LEDs	Matthew Donofrio, John Edmond, Peter Scott Andrews	2017-06-06	$9,572,000
9271561	Apparatus for improving the interchangeability of portable electronic devices amongst various supports and related methods	—	2016-03-01
7811820	Smooth muscle cell differentiation with CRP, SRF and GATA factors	Robert J. Schwartz, Narasimhaswamy Belaguli, Joe Marx	2010-10-12
7724029	Power management for integrated circuits such as programmable logic devices	Satwant Singh, Fabiano Fontana	2010-05-25	$3,163,000
7560953	Power management systems and methods for programmable logic devices	Satwant Singh, Fabiano Fontana	2009-07-14	$2,747,000
6864066	Epithelial protein lost in neoplasm (EPLIN)	Raymond S. Maul	2005-03-08
6409391	Fiber optic illumination adaptor assembly for multiple light guide connectors	—	2002-06-25
6075986	In-set evaluation procedures for components	John F. D'Amico	2000-06-13	$55,977,000
5892931	Method and apparatus for splitting a bus target response between two devices in a computer system	Debra T. Cohen, Sung-Soo Cho, Chao-Hsin Chi	1999-04-06	$71,710,000
5748918	Method and apparatus for supporting two subtractive decode agents on the same bus in a computer system	Sung-Soo Cho, Chao-Hsin Chi	1998-05-05	$55,348,000
5552286	Hybridoma cell lines and their monoclonal antibodies to human pluripotent granulocyte colony stimulating factor	Bruce W. Altrock	1996-09-03	$118,070,000
5500605	Electrical test apparatus and method	—	1996-03-19
5452392	Fiber optic, coupling apparatus having means for preventing thermal damage to the fiber optic at the fiber-to-light source coupling	Glenn S. Baker	1995-09-19
5446818	Fiber optic connector having a shielding apparatus for protecting the exposed end of a fiber optic	Glenn S. Baker, Fred P. Paulino	1995-08-29
5206585	Methods for testing integrated circuit devices	Edward Smith	1993-04-27
4989108	Electro-mechanical latch	—	1991-01-29	$2,147,000
4796131	Head positioner preloaded stop	—	1989-01-03	$636,000

David Chang — 17 Patents

Issued Patents All Time

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