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

Jeffrey C. Chang — 44 Patents

3M: 38 patents #235 of 11,543Top 3%
SSSpatial Digital Systems: 3 patents #8 of 10Top 80%
ATAgiga Tech: 1 patents #7 of 9Top 80%
Village of La Jolla, CA: #70 of 2,316 inventorsTop 4%
California: #9,924 of 386,348 inventorsTop 3%
Overall (All Time): #66,838 of 4,157,543Top 2%
44 Patents All Time
Jeffrey C. Chang has been granted 44 US patents while listed as an inventor at 3M. The first was granted in 1980 and the most recent in April 2022. Jeffrey C. Chang ranks #66,838 of 4,157,543 US inventors in our database (top 1.6%). Patent records list Jeffrey C. Chang in Village of La Jolla, CA, US.

Issued Patents All Time

Showing 1–25 of 44 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11301015 Multiport energy supply for a nonvolatile memory module Thomas O. Koger, Torry Steed, Steven Niu 2022-04-12
11017886 Health information exchange system and method Brandon Davis 2021-05-25
10516872 Digital enveloping for digital right management and re-broadcasting Donald C. D. Chang, Juo-Yu Lee, Steve K. Chen 2019-12-24
10289856 Digital enveloping for digital right management and re-broadcasting Donald C. D. Chang, Juo-Yu Lee, Steve K. Chen 2019-05-14
10264052 Enveloping for device independence Donald C. D. Chang, Juo-Yu Lee, Steve K. Chen 2019-04-16
7226716 Laser addressable thermal transfer imaging element with an interlayer John S. Staral, William A. Tolbert, Martin B. Wolk, Claire A. Jalbert, Hsin-hsin Chou 2007-06-05 $62,303,000
6866979 Laser addressable thermal transfer imaging element with an interlayer John S. Staral, William A. Tolbert, Martin B. Wolk, Claire A. Jalbert, Hsin-hsin Chou 2005-03-15 $31,725,000
6692647 Light dispersing film and method of manufacture Robert S. Moshrefzadeh, Ragunath Padiyath, Richard J. Pokorny, Hsin-hsin Chou, Colleen M. Brenner 2004-02-17 $20,687,000
6582877 Laser addressable thermal transfer imaging element with an interlayer John S. Staral, William A. Tolbert, Martin B. Wolk, Claire A. Jalbert, Hsin-hsin Chou 2003-06-24 $11,723,000
6515798 Rear projection screen Hsin-hsin Chou, Patrick Thomas, Colleen M. Brenner-Watschke, Robert M. Moshrefzadeh 2003-02-04 $19,035,000
6461793 Laser addressable thermal transfer imaging element with an interlayer John S. Staral, William A. Tolbert, Martin B. Wolk, Claire A. Jalbert, Hsin-hsin Chou 2002-10-08 $13,541,000
6344263 Light dispersing film and method of manufacture Robert S. Moshrefzadeh, Ragunath Padiyath, Richard J. Pokorny, Hsin-hsin Chou, Colleen M. Brenner 2002-02-05 $77,022,000
6270934 Laser addressable thermal transfer imaging element with an interlayer John S. Staral, William A. Tolbert, Martin B. Wolk, Claire A. Jalbert, Hsin-hsin Chou 2001-08-07 $51,077,000
6242152 Thermal transfer of crosslinked materials from a donor to a receptor John S. Staral, Kenneth L. Hanzalik 2001-06-05 $73,832,000
6239907 Rear projection screen using birefringent optical film for asymmetric light scattering Richard C. Allen, William W. Merrill, Robert S. Moshrefzadeh, Michael F. Weber 2001-05-29 $25,266,000
6221543 Process for making active substrates for color displays Paul F. Guehler, Thomas A. Isberg, Kazuhiko Mizuno, Kazuki Noda, Raghunath Padiyath +2 more 2001-04-24 $63,827,000
6190826 Laser addressable thermal transfer imaging element with an interlayer John S. Staral, William A. Tolbert, Martin B. Wolk, Claire A. Jalbert, Hsin-hsin Chou 2001-02-20 $81,926,000
6163402 Rear projection screen Hsin-hsin Chou, Patrick Thomas, Colleen M. Brenner-Watschke, Robert M. Moshrefzadeh 2000-12-19 $71,787,000
6099994 Laser addressable thermal transfer imaging element with an interlayer John S. Staral, William A. Tolbert, Martin B. Wolk, Claire A. Jalbert, Hsin-hsin Chou 2000-08-08 $30,635,000
5981136 Laser addressable thermal transfer imaging element with an interlayer John S. Staral, William A. Tolbert, Martin B. Wolk, Claire A. Jalbert, Hsin-hsin Chou 1999-11-09 $20,673,000
5783519 Thermal transfer systems having vanadium oxide antistatic layers Eric D. Morrison, Linda K. Williams 1998-07-21 $18,210,000
5725989 Laser addressable thermal transfer imaging element with an interlayer John S. Staral, William A. Tolbert, Martin B. Wolk, Claire A. Jalbert, Hsin-hsin Chou 1998-03-10
5695907 Laser addressable thermal transfer imaging element and method 1997-12-09 $19,867,000
5645963 Method for making color filter elements using laminable colored photosensitive materials 1997-07-08 $20,455,000
5589433 Thermal transfer systems having vanadium oxide antistatic layers Eric D. Morrison, Linda K. Williams 1996-12-31 $16,133,000