Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Volkan Efe — 19 Patents

WIWitricity: 15 patents #19 of 128Top 15%
STStarry: 4 patents #5 of 18Top 30%
Watertown, MA: #73 of 1,634 inventorsTop 5%
Massachusetts: #6,113 of 88,656 inventorsTop 7%
Overall (All Time): #229,345 of 4,157,543Top 6%
19 Patents All Time
Volkan Efe has been granted 19 US patents while listed as an inventor at Witricity. The first was granted in 2013 and the most recent in October 2024. Volkan Efe ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Volkan Efe in Watertown, MA, US.

Patents per Year

Patents granted per year, 2013 to 2024Bar chart with a peak of 5 patents in 2014.peak 52013: 1 patents20132014: 5 patents20142016: 4 patents20162017: 2 patents20172018: 2 patents20182019: 1 patents20192021: 1 patents20212022: 1 patents20222024: 2 patents2024

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12119551 High frequency aggregation node with swappable lenses Joseph Thaddeus Lipowski, Lyda T. Sallaway, Peter M. Nielsen 2024-10-15
12052164 Star topology fixed wireless access network with lower frequency failover Joseph Thaddeus Lipowski 2024-07-30
11303561 Star topology fixed wireless access network with lower frequency failover Joseph Thaddeus Lipowski 2022-04-12
11063656 N-way polarization diversity for wireless access networks Joseph Thaddeus Lipowski 2021-07-13
10446317 Object and motion detection in wireless power transfer systems Katherine L. Hall, Morris P. Kesler, Konrad J. Kulikowski, Michael A. Feldstein 2019-10-15
10158251 Wireless energy transfer for rechargeable batteries Alexander P. McCauley, Morris P. Kesler, Katherine L. Hall 2018-12-18
9948145 Wireless power transfer for a seat-vest-helmet system Kylee Devro Sealy, Susan M. Patterson, Ryan J. Bohm, Morris P. Kesler 2018-04-17
9754718 Resonator arrays for wireless energy transfer Katherine L. Hall, Morris P. Kesler, Konrad J. Kulikowski, Michael A. Feldstein 2017-09-05
9735628 Wireless energy transfer for mobile device applications Alexander P. McCauley 2017-08-15
D773411 Resonator coil Alexander P. McCauley 2016-12-06
9343922 Wireless energy transfer for rechargeable batteries Alexander P. McCauley, Morris P. Kesler, Katherine L. Hall 2016-05-17
9306635 Wireless energy transfer with reduced fields Andre B. Kurs, Morris P. Kesler, Katherine L. Hall, Aristeidis Karalis, Simon Verghese +3 more 2016-04-05
9287607 Resonator fine tuning Katherine L. Hall, Alexander P. McCauley, Morris P. Kesler 2016-03-15
8922066 Wireless energy transfer with multi resonator arrays for vehicle applications Morris P. Kesler, Katherine L. Hall, Ron Fiorello, Michael A. Feldstein, Konrad J. Kulikowski +1 more 2014-12-30
8907531 Wireless energy transfer with variable size resonators for medical applications Katherine L. Hall, Morris P. Kesler, Andrew J. Campanella, Aristeidis Karalis, Andre B. Kurs +2 more 2014-12-09
8901778 Wireless energy transfer with variable size resonators for implanted medical devices Morris P. Kesler, Katherine L. Hall, Konrad J. Kulikowski, Aristeidis Karalis, Andre B. Kurs +2 more 2014-12-02
8875086 Wireless energy transfer modeling tool Simon Verghese, Morris P. Kesler, Andre B. Kurs, Aristeidis Karalis, Alexander P. McCauley +1 more 2014-10-28
8667452 Wireless energy transfer modeling tool Simon Verghese, Morris P. Kesler, Andre B. Kurs, Aristeidis Karalis, Alexander P. McCauley +1 more 2014-03-04
8598743 Resonator arrays for wireless energy transfer Katherine L. Hall, Morris P. Kesler, Konrad J. Kulikowski, Michael A. Feldstein 2013-12-03