Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Daniel Calafut — 56 Patents

FSFairchild Semiconductor: 30 patents #12 of 715Top 2%
ASAlpha And Omega Semiconductor: 22 patents #29 of 159Top 20%
NSNational Semiconductor: 3 patents #635 of 2,238Top 30%
AIAlpha And Omega Semiconductors Incorporated: 1 patents #6 of 20Top 30%
San Jose, CA: #800 of 32,062 inventorsTop 3%
California: #6,620 of 386,348 inventorsTop 2%
Overall (All Time): #44,020 of 4,157,543Top 2%
56 Patents All Time
Daniel Calafut has been granted 56 US patents while listed as an inventor at Fairchild Semiconductor. The first was granted in 1997 and the most recent in January 2019. Daniel Calafut ranks #44,020 of 4,157,543 US inventors in our database (top 1.1%). Patent records list Daniel Calafut in San Jose, CA, US.

Issued Patents All Time

Showing 1–25 of 56 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10192982 Nano MOSFET with trench bottom oxide shielded and third dimensional P-body contact Hamza Yilmaz, Daniel Ng, Madhur Bobde, Anup Bhalla, Ji Pan +2 more 2019-01-29 $2,933,000
10008579 MOSFET with integrated schottky diode Yeeheng Lee 2018-06-26 $1,081,000
9748375 Nano MOSFET with trench bottom oxide shielded and third dimensional P-body contact Hamza Yilmaz, Daniel Ng, Madhur Bobde, Anup Bhalla, Ji Pan +2 more 2017-08-29 $1,998,000
9673289 Dual oxide trench gate power MOSFET using oxide filled trench Madhur Bobde, Yeeheng Lee, Hong Chang 2017-06-06 $5,791,000
9530885 Normally on high voltage switch Madhur Bobde, Hamza Yilmaz, Karthik Padmanabhan 2016-12-27 $6,117,000
9484453 Device structure and methods of making high density MOSFETs for load switch and DC-DC applications Hamza Yilmaz, Madhur Bobde, Hong Chang, Yeeheng Lee, Jongoh Kim +2 more 2016-11-01 $2,626,000
9450088 High density trench-based power MOSFETs with self-aligned active contacts and method for making such devices Yeeheng Lee, Hong Chang, Jongoh Kim, Sik Lui, Hamza Yilmaz +2 more 2016-09-20 $1,263,000
9412733 MOSFET with integrated schottky diode Yeeheng Lee 2016-08-09 $2,313,000
9391193 Trench-based power semiconductor devices with increased breakdown voltage characteristics Joseph A. Yedinak, Ashok Challa, Daniel M. Kinzer, Dean E. Probst 2016-07-12 $8,282,000
9356022 Semiconductor device with termination structure for power MOSFET applications Yeeheng Lee, Madhur Bobde, Hamza Yilmaz, Xiaobin Wang, Ji Pan +2 more 2016-05-31 $560,000
9281394 Nano MOSFET with trench bottom oxide shielded and third dimensional P-body contact Hamza Yilmaz, Daniel Ng, Madhur Bobde, Anup Bhalla, Ji Pan +2 more 2016-03-08 $536,000
9281416 Trench MOSFET with integrated Schottky barrier diode Yi Su, Jongoh Kim, Hong Chang, Hamza Yilmaz, Daniel Ng 2016-03-08 $536,000
9190478 Method for forming dual oxide trench gate power MOSFET using oxide filled trench Madhur Bobde, Yeeheng Lee, Hong Chang 2015-11-17 $465,000
9190512 High density trench-based power MOSFETs with self-aligned active contacts and method for making such devices Yeeheng Lee, Hong Chang, Jongoh Kim, Sik Lui, Hamza Yilmaz +2 more 2015-11-17 $465,000
9136370 Shielded gate trench MOSFET package Sik Lui, Yi Su, Daniel Ng, Anup Bhalla 2015-09-15 $295,000
9136380 Device structure and methods of making high density MOSFETs for load switch and DC-DC applications Hamza Yilmaz, Madhur Bobde, Hong Chang, Yeeheng Lee, Jongoh Kim +2 more 2015-09-15 $295,000
9105494 Termination trench for power MOSFET applications Yeeheng Lee, Madhur Bodbe, Hamza Yilmaz, Xiaobin Wang, Ji Pan +2 more 2015-08-11 $673,000
9082790 Normally on high voltage switch Madhur Bobde, Hamza Yilmaz, Karthik Padmanabhan 2015-07-14 $1,551,000
8963212 Trench-based power semiconductor devices with increased breakdown voltage characteristics Joseph A. Yedinak, Ashok Challa, Daniel M. Kinzer, Dean E. Probst 2015-02-24 $15,191,000
8951867 High density trench-based power MOSFETs with self-aligned active contacts and method for making such devices Yeeheng Lee, Hong Chang, Jongoh Kim, Sik Lui, Hamza Yilmaz +2 more 2015-02-10 $560,000
8932924 Trench-based power semiconductor devices with increased breakdown voltage characteristics Joseph A. Yedinak, Dean E. Probst 2015-01-13 $4,521,000
8884365 Trench-gate field effect transistor Hamza Yilmaz, Christopher Boguslaw Kocon, Steven Sapp, Dean E. Probst, Nathan Kraft +5 more 2014-11-11 $4,431,000
8865540 Method for forming a schottky barrier diode integrated with a trench MOSFET Yi Su, Jongoh Kim, Hong Chang, Hamza Yilmaz, Daniel Ng 2014-10-21 $510,000
8829603 Shielded gate trench MOSFET package Sik Lui, Yi Su, Daniel Ng, Anup Bhalla 2014-09-09 $448,000
8809948 Device structure and methods of making high density MOSFETs for load switch and DC-DC applications Hamza Yilmaz, Madhur Bobde, Hong Chang, Yeeheng Lee, Jongoh Kim +2 more 2014-08-19 $694,000