HK

Harold R. Kaufman

KR Kaufman & Robinson: 19 patents #1 of 13Top 8%
IBM: 8 patents #13,150 of 70,183Top 20%
VI Veeco Instruments: 3 patents #71 of 323Top 25%
AI Advanced Energy Industries: 1 patents #97 of 173Top 60%
📍 Fort Collins, CO: #88 of 3,421 inventorsTop 3%
🗺 Colorado: #819 of 40,980 inventorsTop 2%
Overall (All Time): #98,787 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDate
10068739 End-hall ion source with enhanced radiation cooling James R. Kahn, Richard E. Nethery 2018-09-04
8994258 End-hall ion source with enhanced radiation cooling James R. Kahn, Richard E. Nethery 2015-03-31
8698401 Mitigation of plasma-inductor termination James R. Kahn 2014-04-15
7843138 Power supply for a hot-filament cathode Steven J. Geissler, James R. Kahn 2010-11-30
7728498 Industrial hollow cathode Chris M. Shonka, James R. Kahn 2010-06-01
7667379 Industrial hollow cathode with radiation shield structure James R. Kahn 2010-02-23
6911789 Power supply for a hot-filament cathode Steven J. Geissler, James R. Kahn, Denis Shaw 2005-06-28
6870164 Pulsed operation of hall-current ion sources David A. Baldwin, Boris Ciorneiu 2005-03-22
6864485 Ion optics with shallow dished grids James R. Kahn, Cheryl Phillips 2005-03-08
6843891 Apparatus for sputter deposition James R. Kahn, Viacheslav V. Zhurin, David A. Baldwin, Todd Hylton 2005-01-18
6750600 Hall-current ion source James R. Kahn, Raymond S. Robinson, Viacheslav V. Zhurin 2004-06-15
6724160 Ion-source neutralization with a hot-filament cathode-neutralizer James R. Kahn, Viacheslav V. Zhurin 2004-04-20
6682634 Apparatus for sputter deposition James R. Kahn, Viacheslav V. Zhurin, David A. Baldwin, Todd Hylton 2004-01-27
6608431 Modular gridless ion source 2003-08-19
6454910 Ion-assisted magnetron deposition Viacheslav V. Zhurin, James R. Kahn, Kirk A. Thompson 2002-09-24
6456011 Magnetic field for small closed-drift ion source Antonina Ivanovna Bugrova, Aleksei Vasilievich Desiatskov, Aleksei Ivanovich Morozov, Vadim Konstantinovich Kharchevnikov, Viacheslav V. Zhurin 2002-09-24
6323586 Closed drift hollow cathode Viacheslav V. Zhurin, James R. Kahn 2001-11-27
6246162 Ion optics James R. Kahn, Raymond S. Robinson 2001-06-12
5793195 Angular distribution probe Raymond S. Robinson, James R. Kahn 1998-08-11
5763989 Closed drift ion source with improved magnetic field 1998-06-09
5274306 Capacitively coupled radiofrequency plasma source Raymond S. Robinson 1993-12-28
5154635 Coaxial vacuum cable Raymond S. Robinson 1992-10-13
4954751 Radio frequency hollow cathode Raymond S. Robinson 1990-09-04
4873467 Ion source with particular grid assembly Raymond S. Robinson 1989-10-10
4862032 End-Hall ion source Raymond S. Robinson 1989-08-29