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USPTO Patent Rankings Data through Dec 31, 2025
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Michael A. Feldstein — 9 Patents

WIWitricity: 4 patents #45 of 128Top 40%
DGData General: 3 patents #53 of 327Top 20%
RTReflection Technology: 2 patents #4 of 17Top 25%
Sudbury, MA: #191 of 857 inventorsTop 25%
Massachusetts: #14,291 of 88,656 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Michael A. Feldstein has been granted 9 US patents while listed as an inventor at Witricity. The first was granted in 1980 and the most recent in October 2019. Michael A. Feldstein ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Michael A. Feldstein in Sudbury, MA, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10446317 Object and motion detection in wireless power transfer systems Katherine L. Hall, Morris P. Kesler, Konrad J. Kulikowski, Volkan Efe 2019-10-15
9754718 Resonator arrays for wireless energy transfer Katherine L. Hall, Morris P. Kesler, Konrad J. Kulikowski, Volkan Efe 2017-09-05
8922066 Wireless energy transfer with multi resonator arrays for vehicle applications Morris P. Kesler, Katherine L. Hall, Ron Fiorello, Volkan Efe, Konrad J. Kulikowski +1 more 2014-12-30
8598743 Resonator arrays for wireless energy transfer Katherine L. Hall, Morris P. Kesler, Konrad J. Kulikowski, Volkan Efe 2013-12-03
5334991 Dual image head-mounted display Benjamin A. Wells, Frank Smith, Greg Hutner 1994-08-02
5009473 Low vibration resonant scanning unit for miniature optical display apparatus Gregory Hunter, Benjamin A. Wells 1991-04-23
4234899 Keyed mounting for orienting optical angular, displacement transducer in rigid magnetic disc memory Harold Thackaberry 1980-11-18 $5,630,000
4200894 Head adjustment mechanism for rigid magnetic disc memory apparatus Robert Kaseta, Lenn Daugherty, Sigmund Hinlein, Harold Thackaberry 1980-04-29 $4,059,000
4185309 Magnetic head adjustment mechanism Harold Thackaberry 1980-01-22 $1,782,000