Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
PK

Prabhat Kumar — 61 Patents

HSH.C. Starck: 29 patents #3 of 248Top 2%
Applied Materials: 18 patents #747 of 7,310Top 15%
CACabot: 9 patents #62 of 601Top 15%
MCMetal Matrix Cast Composites: 1 patents #5 of 16Top 35%
The Boeing: 1 patents #8,630 of 15,756Top 55%
Samsung: 1 patents #50,112 of 75,807Top 70%
Overall (All Time): #37,626 of 4,157,543Top 1%
61 Patents All Time
Prabhat Kumar has been granted 61 US patents while listed as an inventor at H.C. Starck. The first was granted in 1984 and the most recent in April 2025. Prabhat Kumar ranks #37,626 of 4,157,543 US inventors in our database (top 0.91%). Patent records list Prabhat Kumar in Pottammal, CA, IN.

Issued Patents All Time

Showing 1–25 of 61 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12282337 Dual agent reinforcement learning based system for autonomous operation of aircraft 2025-04-22
11158540 Light-absorbing mask for hybrid laser scribing and plasma etch wafer singulation process Wenguang Li, James S. Papanu, Wei-Sheng Lei, Brad Eaton, Ajay Kumar +1 more 2021-10-26 $68,163,000
10884586 Method and system for managing and displaying application Jatin Garg, Abhishek Verma, Pranav Jadav, Shubham Jain, Abhishek Gogia 2021-01-05
9926623 Methods of forming molybdenum sputtering targets Brad Lemon, Joseph Hirt, Timothy Welling, James G. Daily, III, David Meendering +5 more 2018-03-27
9793132 Etch mask for hybrid laser scribing and plasma etch wafer singulation process Wenguang Li, James S. Papanu, Ramesh Krishnamurthy, Brad Eaton, Ajay Kumar +1 more 2017-10-17 $65,021,000
9783882 Fine grained, non banded, refractory metal sputtering targets with a uniformly random crystallographic orientation, method for making such film, and thin film based devices and products made therefrom Steven A. Miller, Richard Wu, Shuwei Sun, Stefan Zimmermann, Olaf Schmidt-Park 2017-10-10
9768014 Wafer coating Jungrae Park, Wei-Sheng Lei, James S. Papanu, Brad Eaton, Ajay Kumar 2017-09-19 $15,798,000
9601375 UV-cure pre-treatment of carrier film for wafer dicing using hybrid laser scribing and plasma etch approach Wei-Sheng Lei, Brad Eaton, Jungrae Park, Ajay Kumar, James S. Papanu 2017-03-21 $25,880,000
9580773 Niobium based alloy that is resistant to aqueous corrosion Paul R. Aimone 2017-02-28
9443765 Water soluble mask formation by dry film vacuum lamination for laser and plasma dicing Wei-Sheng Lei, James S. Papanu, Brad Eaton, Ajay Kumar 2016-09-13 $19,510,000
9412619 Method of outgassing a mask material deposited over a workpiece in a process tool Wei-Sheng Lei, Martin S. Wohlert, James S. Papanu, Brad Eaton, Ajay Kumar 2016-08-09 $15,983,000
9355907 Hybrid wafer dicing approach using a line shaped laser beam profile laser scribing process and plasma etch process Wei-Sheng Lei, Jungrae Park, James S. Papanu, Brad Eaton, Ajay Kumar 2016-05-31 $8,928,000
9349648 Hybrid wafer dicing approach using a rectangular shaped two-dimensional top hat laser beam profile or a linear shaped one-dimensional top hat laser beam profile laser scribing process and plasma etch process Wei-Sheng Lei, Jungrae Park, Brad Eaton, Ajay Kumar 2016-05-24 $18,549,000
9309591 Methods of depositing thin films using molybdenum sputtering targets Brad Lemon, Joseph Hirt, Timothy Welling, James G. Daily, III, David Meendering +5 more 2016-04-12
9312177 Screen print mask for laser scribe and plasma etch wafer dicing process Brad Eaton, Wei-Sheng Lei, James S. Papanu, Ajay Kumar 2016-04-12 $12,337,000
9187802 Niobium based alloy that is resistant to aqueous corrosion Paul R. Aimone 2015-11-17
9159624 Vacuum lamination of polymeric dry films for wafer dicing using hybrid laser scribing and plasma etch approach Wei-Sheng Lei, James S. Papanu, Brad Eaton, Ajay Kumar 2015-10-13 $9,629,000
9142459 Wafer dicing using hybrid laser scribing and plasma etch approach with mask application by vacuum lamination Wei-Sheng Lei, Brad Eaton, Ajay Kumar 2015-09-22 $10,938,000
9130057 Hybrid dicing process using a blade and laser Wei-Sheng Lei, James S. Papanu, Brad Eaton, Ajay Kumar 2015-09-08 $6,271,000
9112050 Dicing tape thermal management by wafer frame support ring cooling during plasma dicing Wei-Sheng Lei, Brad Eaton, Ajay Kumar 2015-08-18 $12,475,000
9076860 Residue removal from singulated die sidewall Wei-Sheng Lei, James S. Papanu, Ajay Kumar, Brad Eaton 2015-07-07 $12,656,000
9040409 Methods of forming solar cells and solar cell modules Michael P. Stewart, Kalyan Venkata Chalapathi Rapolu, Lin Zhang, Hari Ponnekanti 2015-05-26 $17,022,000
9017600 Methods of forming molybdenum sputtering targets Brad Lemon, Joseph Hirt, Timothy Welling, James G. Daily, III, David Meendering +5 more 2015-04-28
8991329 Wafer coating Jungrae Park, Wei-Sheng Lei, James S. Papanu, Brad Eaton, Ajay Kumar 2015-03-31 $7,138,000
8927393 Water soluble mask formation by dry film vacuum lamination for laser and plasma dicing Wei-Sheng Lei, James S. Papanu, Brad Eaton, Ajay Kumar 2015-01-06 $15,973,000