Niraj Ranjan — 24 Patents at International Rectifier

Niraj Ranjan has been granted 24 US patents while listed as an inventor at International Rectifier. The first was granted in 1997 and the most recent in January 2022. Niraj Ranjan ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Niraj Ranjan in El Segundo, CA, US.

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11217690	Trench field electrode termination structure for transistor devices	Ashita Mirchandani, Robert Haase, Tim Henson, Ling Ma	2022-01-04
10879230	Schottky integrated high voltage terminations and related HVIC applications	Donald He, Siddharth Kiyawat, Min Fang	2020-12-29
9991377	Trench FET with ruggedness enhancement regions	Ashita Mirchandani, Timothy Henson, Ling Ma	2018-06-05
9859407	IGBT having deep gate trench	Yi Tang, Chiu Ng	2018-01-02
9818743	Power semiconductor device with contiguous gate trenches and offset source trenches	Kapil Kelkar, Timothy Henson, Ling Ma, Hugo Burke, Alain Charles	2017-11-14
9653597	Method for fabricating a shallow and narrow trench FET and related structures	Timothy Henson, Ling Ma, Hugo Burke, David Paul Jones, Kapil Kelkar +1 more	2017-05-16
9590096	Vertical FET having reduced on-resistance	Harsh Naik, Timothy Henson	2017-03-07
9496378	IGBT with buried emitter electrode	Yi Tang, Chiu Ng	2016-11-15
9299819	Deep gate trench IGBT	Yi Tang, Chiu Ng	2016-03-29
9257983	Level shifter utilizing a capacitive isolation barrier	Min Fang, Massimo Grasso	2016-02-09
9245985	IGBT with buried emitter electrode	Yi Tang, Chiu Ng	2016-01-26
8988128	Level shifter having feedback signal from high voltage circuit	Min Fang, Massimo Grasso	2015-03-24
8878591	Level shifter utilizing bidirectional signaling through a capacitive isolation barrier	Min Fang, Massimo Grasso	2014-11-04	$34,447,000
8860194	Buck converter power package	Ling Ma, Andrew N. Sawle, David Paul Jones, Timothy Henson, Vijay Viswanathan +1 more	2014-10-14	$7,039,000
8076672	Passivation structure with voltage equalizing loops	—	2011-12-13	$8,114,000
7183626	Passivation structure with voltage equalizing loops	—	2007-02-27	$12,369,000
6707101	Integrated series schottky and FET to allow negative drain voltage	—	2004-03-16	$9,269,000
6529034	Integrated series schottky and FET to allow negative drain voltage	—	2003-03-04	$21,308,000
6380004	Process for manufacturing radhard power integrated circuit	Milton J. Boden, Jr., Iulia Rusu	2002-04-30	$20,168,000
5861657	Graded concentration epitaxial substrate for semiconductor device having resurf diffusion	—	1999-01-19	$8,568,000
5801418	High voltage power integrated circuit with level shift operation and without metal crossover	—	1998-09-01	$1,274,000
5801431	MOS gated semiconductor device with source metal covering the active gate	—	1998-09-01	$1,274,000
5798538	IGBT with integrated control	Bruno Nadd	1998-08-25	$3,667,000
5686754	Polysilicon field ring structure for power IC	Chongwook Chris Choi	1997-11-11	$4,146,000

Niraj Ranjan — 24 Patents

Issued Patents All Time

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