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USPTO Patent Rankings Data through Dec 31, 2025
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Phillip Chang — 18 Patents

Comcast: 13 patents #319 of 4,447Top 8%
ExxonMobil: 2 patents #3,942 of 10,161Top 40%
IBM: 2 patents #32,909 of 70,183Top 50%
CHCurio Holding: 1 patents #9 of 10Top 90%
Langhorne, PA: #21 of 299 inventorsTop 8%
Pennsylvania: #3,897 of 74,527 inventorsTop 6%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
Phillip Chang has been granted 18 US patents while listed as an inventor at Comcast. The first was granted in 1986 and the most recent in May 2024. Phillip Chang ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Phillip Chang in Langhorne, PA, US.

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D1029056 Cutting machine Dennis P. O'Donnell 2024-05-28
D1011394 Cutting machine Dennis P. O'Donnell 2024-01-16
11840051 Apparatus and method for installing a screen protector on an electronic device Dennis P. O'Donnell 2023-12-12
11705931 Methods and systems for interference management Erami Botchway, Mark Francisco, Jim Poder, Jorge Salinger 2023-07-18
11329679 Methods and systems for interference management Erami Botchway, Mark Francisco, Jim Poder, Jorge Salinger 2022-05-10
10530406 Methods and systems for interference management Erami Botchway, Mark Francisco, Jim Poder, Jorge Salinger 2020-01-07
10187397 Modulation analysis and distortion identification Lawrence D. Wolcott 2019-01-22 $131,508,000
9843347 Methods and systems for interference management Erami Botchway, Mark Francisco, Jim Poder, Jorge Salinger 2017-12-12
9602518 Modulation analysis and distortion identification Lawrence D. Wolcott 2017-03-21 $85,936,000
9537680 Inducing response signatures in a communication network Lawrence D. Wolcott, Bryan Scott Johnston 2017-01-03 $141,419,000
9438605 Determining response signature commonalities Lawrence D. Wolcott 2016-09-06 $264,580,000
9015786 Noise ingress detection Lawrence D. Wolcott 2015-04-21
8971394 Inducing response signatures in a communication network Lawrence D. Wolcott, Bryan Scott Johnston 2015-03-03
8856535 Determining response signature commonalities Lawrence D. Wolcott 2014-10-07
8693530 Modulation analysis and distortion identification Lawrence D. Wolcott 2014-04-08
8416697 Identification of a fault Lawrence D. Wolcott 2013-04-09
4679527 Magnetic brush developer — 1987-07-14 $46,628,000
4616919 Non-contact developer seal James M. Adley 1986-10-14 $30,979,000

Nearby-Ranked Inventors

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Chung-Wen Lo18
Andrew KENNEDY18
Max Heimel18
Kevin Skadron18
John B. Halander18