Robert J. Callanan — 13 Patents at Cree

Robert J. Callanan has been granted 13 US patents while listed as an inventor at Cree. The first was granted in 1998 and the most recent in November 2021. Robert J. Callanan ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Robert J. Callanan in Raleigh, NC, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11171229	Low switching loss high performance power module	Mrinal K. Das, Henry Lin, John Williams Palmour	2021-11-09	$232,649,000
9640617	High performance power module	Mrinal K. Das, Henry Lin, John Williams Palmour	2017-05-02	$1,476,000
9467038	Power converter circuits including high electron mobility transistors for switching and rectification	—	2016-10-11	$3,821,000
9344077	High voltage driver	—	2016-05-17	$3,004,000
8963576	Increased transition speed switching device driver	—	2015-02-24	$13,660,000
8847563	Power converter circuits including high electron mobility transistors for switching and rectifcation	—	2014-09-30	$5,264,000
8817441	Circuit breaker	—	2014-08-26	$24,852,000
8681518	High speed rectifier circuit	Fatima Husna	2014-03-25	$9,768,000
8354690	Solid-state pinch off thyristor circuits	Sei-Hyung Ryu, Qingchun Zhang	2013-01-15	$32,725,000
8294507	Wide bandgap bipolar turn-off thyristor having non-negative temperature coefficient and related control circuits	Qingchun Zhang, James Richmond	2012-10-23	$10,809,000
8218345	Rectifier with SiC bipolar junction transistor rectifying elements	Fatima Husna	2012-07-10	$5,311,000
5933342	Rectifier with alternative path for freewheeling current	—	1999-08-03	$107,934,000
5747981	Inductor for an electrical system	—	1998-05-05	$28,624,000

Robert J. Callanan — 13 Patents

Issued Patents All Time

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