Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JH

John Holland

Lam Research: 81 patents #10 of 2,128Top 1%
Applied Materials: 42 patents #212 of 7,310Top 3%
MIMks Instruments: 2 patents #156 of 442Top 40%
San Jose, CA: #150 of 32,062 inventorsTop 1%
California: #1,366 of 386,348 inventorsTop 1%
Overall (All Time): #8,631 of 4,157,543Top 1%
128 Patents All Time

Issued Patents All Time

Showing 101–125 of 128 patents

Patent #TitleCo-InventorsDate
6617794 Method for controlling etch uniformity Michael Barnes, Valentin Todorov, Mohit Jain, Alexander Paterson 2003-09-09
6598615 Compact independent pressure control and vacuum isolation for a turbomolecular pumped plasma reaction chamber Michael Barnes, Steve S. Y. Mak, Patrick Leahey, Jonathan D. Mohn 2003-07-29
6507155 Inductively coupled plasma source with controllable power deposition Michael Barnes, Valentin Todorov 2003-01-14
6472822 Pulsed RF power delivery for plasma processing Jin-Yuan Chen, Arthur H. Sato, Valentin N. Todorow 2002-10-29
6462481 Plasma reactor having a symmetric parallel conductor coil antenna Valentin N. Todorow, Michael Barnes 2002-10-08
6447636 Plasma reactor with dynamic RF inductive and capacitive coupling control Xue-Yu Qian, Zhi-Wen Sun, Maocheng Li, Arthur H. Sato, Valentin Todorov +2 more 2002-09-10
6414648 Plasma reactor having a symmetric parallel conductor coil antenna Valentin N. Todorow, Michael Barnes 2002-07-02
6409933 Plasma reactor having a symmetric parallel conductor coil antenna Valentin N. Todorow, Michael Barnes 2002-06-25
6399507 Stable plasma process for etching of films Padmapani Nallan, Valentin Todorov, Thorsten Lill 2002-06-04
6344151 Gas purge protection of sensors and windows in a gas phase processing reactor Anthony Chen 2002-02-05
6319355 Plasma processor with coil responsive to variable amplitude rf envelope 2001-11-20
6280563 Plasma device including a powered non-magnetic metal member between a plasma AC excitation source and the plasma Scott Baldwin, Michael Barnes 2001-08-28
6268700 Vacuum plasma processor having coil with intermediate portion coupling lower magnetic flux density to plasma than center and peripheral portions of the coil Alex Demos 2001-07-31
6265831 Plasma processing method and apparatus with control of rf bias Arthur M. Howald, Christopher H. Olson 2001-07-24
6229264 Plasma processor with coil having variable rf coupling Tiqiang Ni, Wenli Collison 2001-05-08
6197388 Methods of preventing post-etch corrosion of an aluminum neodymium-containing layer Thomas S. Choi, Nancy Tran 2001-03-06
6125025 Electrostatic dechucking method and apparatus for dielectric workpieces in vacuum processors Arthur M. Howald 2000-09-26
6071375 Gas purge protection of sensors and windows in a gas phase processing reactor Anthony Chen 2000-06-06
6027603 Inductively coupled planar source for substantially uniform plasma flux Michael Barnes 2000-02-22
6028395 Vacuum plasma processor having coil with added conducting segments to its peripheral part Alex Demos 2000-02-22
5982099 Method of and apparatus for igniting a plasma in an r.f. plasma processor Michael Barnes, Brett C. Richardson, Tuan Ngo 1999-11-09
5975013 Vacuum plasma processor having coil with small magnetic field in its center Michael Barnes 1999-11-02
5892198 Method of and apparatus for electronically controlling r.f. energy supplied to a vacuum plasma processor and memory for same Michael Barnes 1999-04-06
5800619 Vacuum plasma processor having coil with minimum magnetic field in its center Michael Barnes 1998-09-01
5793162 Apparatus for controlling matching network of a vacuum plasma processor and memory for same Michael Barnes 1998-08-11