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USPTO Patent Rankings Data through Dec 31, 2025
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Young Cha — 7 Patents

ETEthertronics: 5 patents #15 of 67Top 25%
Amazon: 2 patents #7,232 of 19,158Top 40%
San Diego, CA: #5,792 of 23,606 inventorsTop 25%
California: #83,669 of 386,348 inventorsTop 25%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Young Cha has been granted 7 US patents while listed as an inventor at Ethertronics. The first was granted in 2010 and the most recent in January 2016. Young Cha ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Young Cha in San Diego, CA, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9231301 Multi-band MIMO antenna Laurent Desclos, Sebastian Rowson, Jeffrey Shamblin 2016-01-05
9048528 Antenna structure with strongly coupled grounding element Tzung-I Lee 2015-06-02 $77,949,000
8952861 Multi-band MIMO antenna Laurent Desclos, Sebastian Rowson, Jeffrey Shamblin 2015-02-10
8847828 Antenna structure with strongly coupled parasitic grounding element Tzung-I Lee 2014-09-30 $45,460,000
8542158 Multi-band MIMO antenna Sebastian Rowson, Jeffrey Shamblin, Laurent Desclos 2013-09-24
8421702 Multi-layer reactively loaded isolated magnetic dipole antenna Laurent Desclos, Sebastian Rowson, Jeffrey Shamblin, Chulmin Han, Byoeng Sug Kwak 2013-04-16
7777686 Multi-layer isolated magnetic dipole antenna Laurent Desclos, Jeffrey Shamblin, Sebastian Rowson, Rowland Jones 2010-08-17