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

Fred Keiser — 6 Patents

Cypress Semiconductor: 2 patents #886 of 1,866Top 50%
PTParade Technologies: 1 patents #87 of 165Top 55%
Eagan, MN: #196 of 891 inventorsTop 25%
Minnesota: #11,902 of 52,454 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Fred Keiser has been granted 6 US patents while listed as an inventor at Cypress Semiconductor. The first was granted in 1998 and the most recent in May 2017. Fred Keiser ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Fred Keiser in Eagan, MN, US.

Patents per Year

Patents granted per year, 1998 to 2017Bar chart with a peak of 1 patents in 1998.peak 11998: 1 patents19981999: 1 patents19992000: 1 patents20002013: 1 patents20132015: 1 patents20152017: 1 patents2017

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9664283 Captivated seal assembly David Keiser 2017-05-30
9201106 Self shielding capacitance sensing panel Min Chin Chai, Igor Polishchuk 2015-12-01
8482546 Self shielding capacitance sensing panel Min Chin Chai, Igor Polishchuk 2013-07-09 $1,945,000
6135909 Infinitely variable ratio transmission 2000-10-24
5971880 Infinitely variable ratio transmission 1999-10-26
5736867 Method and circuit for reconfiguring a buffer Michael Maas 1998-04-07 $3,547,000