For the Inventor, By the Inventor

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Fort Collins, CO, United States of America

Kaufman & Robinson, Inc.

USPTO Granted Patents = 22

CIPO Patents = 3

EPO Patents = 1

Trademarks = 3

Forward Citations = 218

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13 inventors (with patents filed for the assignee):

Harold R Kaufman (18 out of 38 patents)

James R Kahn (15 out of 17 patents)

Steven J Geissler (5 out of 34 patents)

4. Viacheslav V Zhurin (5 out of 16 patents)

5. Raymond S Robinson (5 out of 10 patents)

6. Richard E Nethery (2 out of 2 patents)

7. David Alan Baldwin (2 out of 21 patents)

8. Boris Ciorneiu (1 out of 9 patents)

9. Chris M Shonka (1 out of 1 patent)

10. Denis M Shaw (1 out of 21 patents)

11. Rhonda J Parker (1 out of 1 patent)

12. Kirk A Thompson (1 out of 1 patent)

13. Todd Lanier Hylton (1 out of 15 patents)

14. Antonina I Bugrova (0 patent)

15. Vadim K Kharchevnikov (0 patent)

22 patents: Sort by Forward Citations

1. 12413148 - Power efficient load current derived switch timing of switching resonant topology (2025-09-09),

2. 12112919 - Load current derived switch timing of switching resonant topology (2024-10-08),

3. 11823867 - Load current derived switch timing of switching resonant topology (2023-11-21),

4. 10068739 - End-hall ion source with enhanced radiation cooling (2018-09-04),

5. 8994258 - End-hall ion source with enhanced radiation cooling (2015-03-31),

6. 8698401 - Mitigation of plasma-inductor termination (2014-04-15),

7. 7843138 - Power supply for a hot-filament cathode (2010-11-30),

8. 7728498 - Industrial hollow cathode (2010-06-01),

9. 7667379 - Industrial hollow cathode with radiation shield structure (2010-02-23),

10. 6911789 - Power supply for a hot-filament cathode (2005-06-28),

11. 6870164 - Pulsed operation of hall-current ion sources (2005-03-22),

12. 6864485 - Ion optics with shallow dished grids (2005-03-08),

13. 6843891 - Apparatus for sputter deposition (2005-01-18),

14. 6750600 - Hall-current ion source (2004-06-15),

15. 6724160 - Ion-source neutralization with a hot-filament cathode-neutralizer (2004-04-20),

Kaufman & Robinson, Inc. is a leading manufacturing company that specializes in precision optical systems and components. With over 50 years of industry experience, our innovative solutions have enabled advancements in aerospace, defense, research, and medical fields. Our team of highly skilled engineers and technicians design and build custom optical systems, including spectrographs, monochromators, and interferometers. We also offer a range of standard products and OEM solutions to meet diverse customer needs. At Kaufman & Robinson, we are committed to delivering exceptional quality, reliability, and performance.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

22 Patents

#18 in Fort Collins, CO

#280 in Colorado

#14,538 in US

#27,920 in the World

Fort Collins, CO, United States of America

Kaufman & Robinson, Inc.

Forward Citations = 218

13 inventors:

Harold R Kaufman (18 out of 38 patents)

James R Kahn (15 out of 17 patents)

Steven J Geissler (5 out of 34 patents)

4. Viacheslav V Zhurin (5 out of 16 patents)

5. Raymond S Robinson (5 out of 10 patents)

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