Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
PC

Paul Chang — 27 Patents

Apple: 13 patents #2,537 of 18,612Top 15%
AMAmp: 8 patents #141 of 1,383Top 15%
W&Whitaker &: 2 patents #399 of 1,437Top 30%
Oracle: 1 patents #8,339 of 14,854Top 60%
San Jose, CA: #2,317 of 32,062 inventorsTop 8%
California: #19,967 of 386,348 inventorsTop 6%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
Paul Chang has been granted 27 US patents while listed as an inventor at Apple. The first was granted in 1982 and the most recent in November 2025. Paul Chang ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Paul Chang in San Jose, CA, US.

Patents per Year

Patents granted per year, 1982 to 2020Bar chart with a peak of 4 patents in 2020.peak 41982: 1 patents19821983: 1 patents1987: 1 patents19871988: 1 patents1989: 1 patents19891990: 1 patents1991: 3 patents19911994: 2 patents1997: 1 patents19971999: 1 patents2009: 1 patents20092011: 1 patents2012: 2 patents20122015: 1 patents2017: 1 patents20172019: 3 patents2020: 4 patents2020

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12481111 Field replaceable optical connector protector Cyrille Morelle, Chia-Ching Tung 2025-11-25
10809869 Layered image compression Lars M. Lindberg, Ali Sazegari 2020-10-20 $266,412,000
10798420 Lossless compression techniques for single-channel images Lars M. Lindberg, Ali Sazegari 2020-10-06 $282,421,000
10652583 Compression of image assets Ali Sazegari, Eric Bainville 2020-05-12 $117,896,000
10546044 Low precision convolution operations Lars M. Lindberg, Ali Sazegari 2020-01-28 $144,266,000
10382750 Region-based processing of predicted pixels Thomas Pun, Hsi-Jung Wu 2019-08-13 $108,006,000
10362319 Techniques for compressing multiple-channel images Lars M. Lindberg, Ali Sazegari 2019-07-23 $145,026,000
10362325 Techniques for compressing multiple-channel images Lars M. Lindberg, Ali Sazegari 2019-07-23 $145,026,000
9706201 Region-based processing of predicted pixels Thomas Pun, Hsi-Jung Wu 2017-07-11 $63,067,000
9049451 Region-based processing of predicted pixels Thomas Pun, Hsi-Jung Wu 2015-06-02 $78,914,000
8340194 High-yield multi-threading method and apparatus for video encoders/transcoders/decoders with dynamic video reordering and multi-level video coding dependency management Jochen Schmidt, Chris Y. Chung, Christian L. Duvivier, Ionut Hristodorescu, Hsi-Jung Wu +2 more 2012-12-25
8233535 Region-based processing of predicted pixels Thomas Pun, Hsi-Jung Wu 2012-07-31 $166,751,000
8024552 Performing variable and/or bitwise shift operation for a shift instruction that does not provide a variable or bitwise shift option Hyeonkuk Jeong 2011-09-20 $101,379,000
7610472 Performing variable and/or bitwise shift operation for a shift instruction that does not provide a variable or bitwise shift option Hyeonkuk Jeong 2009-10-27 $203,941,000
5903918 Program counter age bits James Bauman, Govind Kizhepat 1999-05-11 $43,191,000
5634015 Generic high bandwidth adapter providing data communications between diverse communication networks and computer system Gary S. Delp, Hanafy Meleis, Rafael Mantilla Montalvo, David I. Seidman, Ahmed Tantawy +1 more 1997-05-27 $12,508,000
5365224 Error recovery arrangement in a time division multiplex data transmission system Keith James McKechnie, Lee W. Steely 1994-11-15
5353018 System for defining data transmission protocols in a multiplexing system Keith James McKechnie, Lee W. Steely 1994-10-04 $585,000
5046872 Printer actuated by piezoelectrically generated shock wave Han-Che Wang 1991-09-10 $16,462,000
5016134 Driver circuit for single coil magnetic latching relay Lee W. Steely 1991-05-14 $4,227,000
5001374 Digital filter for removing short duration noise 1991-03-19 $15,680,000
4980884 Pulse duration digital multiplexing system with progressively incremented pulse lengths 1990-12-25
4847832 Time multiplexed data transmission system Lee W. Steely 1989-07-11 $1,754,000
4730309 Data transmission station 1988-03-08 $6,622,000
4682168 Time-slot addressed, system keyed multiplex device Edward C. Dowling 1987-07-21 $6,713,000