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

James Ketcham — 7 Patents

Sony: 6 patents #6,820 of 25,231Top 30%
AIAllen Innovations: 1 patents #3 of 3Top 100%
Calabasas, CA: #546 of 4,119 inventorsTop 15%
California: #83,669 of 386,348 inventorsTop 25%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
James Ketcham has been granted 7 US patents while listed as an inventor at Sony. The first was granted in 1995 and the most recent in September 2014. James Ketcham ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list James Ketcham in Calabasas, CA, US.

Patents per Year

Patents granted per year, 1995 to 2014Bar chart with a peak of 2 patents in 1995.peak 21995: 2 patents19952004: 1 patents20042012: 1 patents20122013: 1 patents20132014: 2 patents2014

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8832949 Door frame tool Brian C. Allen 2014-09-16
8811793 Camera event logger Phil Squyres, Ian Wayne 2014-08-19 $159,000
8520999 Camera event logger Phil Squyres, Ian Wayne 2013-08-27 $135,000
8184209 Smart slate Ian Wayne, Edward W. Anderson 2012-05-22 $134,000
6771881 Method for maintaining edit decision lists for digital audio/video reproducers to maintain synchronization across timecode edits 2004-08-03
5451942 Method and apparatus for multiplexed encoding of digital audio information onto a digital audio storage medium Terry D. Beard 1995-09-19
5386255 Motion picture digital sound system and method with primary sound storage edit capability Terry D. Beard, Joseph Dellaria 1995-01-31