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

Michael Hammersley — 6 Patents

TTTactus Technology: 5 patents #7 of 39Top 20%
STSeagate Technology: 1 patents #3,975 of 4,701Top 85%
Fremont, CA: #2,737 of 9,298 inventorsTop 30%
California: #94,478 of 386,348 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Michael Hammersley has been granted 6 US patents while listed as an inventor at Tactus Technology. The first was granted in 1990 and the most recent in August 2016. Michael Hammersley ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Michael Hammersley in Fremont, CA, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9430074 Dynamic tactile interface Ben Calub, Carl Del Rosario, Mario Garcia, Roman P. Rak, Curtis Ray +7 more 2016-08-30
9423875 Dynamic tactile interface with exhibiting optical dispersion characteristics Micah B. Yairi, Christopher DeArmitt 2016-08-23
9405417 Dynamic tactile interface and methods Micah B. Yairi, Craig Ciesla, Nathaniel Mark Saal, Curtis Ray, Brandon Miller +6 more 2016-08-02
9372565 Dynamic tactile interface Ben Calub, Carl Del Rosario, Mario Garcia, Roman P. Rak, Curtis Ray +7 more 2016-06-21
9280224 Dynamic tactile interface and methods Micah B. Yairi, Craig Ciesla, Nathaniel Mark Saal, Curtis Ray, Brandon Miller +6 more 2016-03-08
4949036 Disc drive error mapping using threshold comparison methods David J. Bezinque, Mark R. McCornack 1990-08-14 $7,170,000