YQ

Yongjian Qiu

KE Kemet Electronics: 19 patents #13 of 180Top 8%
CA Cabot: 2 patents #238 of 601Top 40%
VS Vishay Sprague: 2 patents #21 of 45Top 50%
VI Vishay Israel: 1 patents #3 of 13Top 25%
📍 Simpsonville, SC: #53 of 1,013 inventorsTop 6%
🗺 South Carolina: #444 of 15,501 inventorsTop 3%
Overall (All Time): #172,555 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
11024464 Hermetically sealed surface mount polymer capacitor Alex Eidelman, Pavel Vaisman, Yuri Stangrit 2021-06-01
10978254 High performance and reliability solid electrolytic tantalum capacitors and screening method Alex Eidelman, Pavel Vaisman, Yuri Stangrit, Rita Eisenberg, Natali Ostrovsky 2021-04-13
10381166 High performance and reliability solid electrolytic tantalum capacitors and screening method Alex Eidelman, Pavel Vaisman, Yuri Stangrit, Rita Eisenberg, Natali Ostrovsky 2019-08-13
9847179 Solid electrolytic capacitor and method of manufacturing a solid electrolytic capacitor Jeffrey Poltorak, Brandon Summey 2017-12-19
9236191 Materials and method for improving corner and edge coverage of solid electrolytic capacitors Antony P. Chacko, Yang Jin, Randolph S. Hahn, Philip M. Lessner, Keith R. Brenneman 2016-01-12
9053866 Solid electrolytic capacitor and method of manufacture Brandon Summey, Jeffrey Poltorak, Philip M. Lessner, Randolph S. Hahn, David Jacobs +3 more 2015-06-09
9030807 Materials and methods for improving corner and edge coverage of solid electrolytic capacitors Antony P. Chacko, Qingping Chen, Yang Jin, Philip M. Lessner, Randolph S. Hahn +1 more 2015-05-12
8842418 Solid electrolytic capacitor and method of manufacturing a solid electrolytic capacitor Jeffrey Poltorak, Brandon Summey 2014-09-23
8808403 Process for solid electrolytic capacitors using polymer slurries Randolph S. Hahn, Kristen Key, Qingping Chen 2014-08-19
8771381 Process for producing electrolytic capacitors and capacitors made thereby Qingping Chen, Hong-Bo Zhang, Antony P. Chacko, Philip M. Lessner, Randolph S. Hahn +1 more 2014-07-08
8520366 Solid electrolytic capacitor and method of manufacture Brandon Summey, Jeffrey Poltorak, Philip M. Lessner, Randolph S. Hahn, David Jacobs +3 more 2013-08-27
8323361 High voltage and high efficiency polymer electrolytic capacitors Yuri Freeman, Jake Yongjian Qiu, Steven C. Hussey, Philip M. Lessner 2012-12-04
8310815 High voltage and high efficiency polymer electrolytic capacitors Yuri Freeman, Steven C. Hussey, Philip M. Lessner 2012-11-13
7990683 High voltage solid electrolytic capacitors using conductive polymer slurries Randy S. Hahn, Keith R. Brenneman 2011-08-02
7754276 Process for manufacturing low ESR conductive polymer based solid electrolytic capacitors Qingping Chen, Philip M. Lessner, Randy S. Hahn, Cynthia L. Prince, Keith R. Brenneman 2010-07-13
D616388 Anode Christian Guerrero, Jeff Poltorak, Lance Paul Thornton 2010-05-25
7658986 Anodes with corner and edge modified designs Jeffrey Poltorak, Christian Guerrero, Lance Paul Thornton, Randy S. Hahn, James C. Bates +1 more 2010-02-09
D599309 Anode Christian Guerrero, Jeff Poltorak, Lance Paul Thornton 2009-09-01
7563290 High voltage solid electrolytic capacitors using conductive polymer slurries Randy S. Hahn, Keith R. Brenneman 2009-07-21
D586767 Anodes Christian Guerrero, Jeff Poltorak, Lance Paul Thornton 2009-02-17
7445679 Controlled oxygen addition for metal material John W. Koenitzer 2008-11-04
7342775 Fluted anode with minimal density gradients and capacitor comprising same Randy S. Hahn 2008-03-11
7149074 Methods of making a niobium metal oxide Jonathon L. Kimmel 2006-12-12
7116548 Fluted anode with minimal density gradients and capacitor comprising same James W. Satterfield, Jr., Lance Paul Thornton, Jeffrey Poltorak, Randy S. Hahn 2006-10-03