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Berkeley, CA, United States of America

Ion Systems, Inc.

USPTO Granted Patents = 41

% Expired Patents = 4.9

Trademarks = 3

Forward Citations = 964

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28 inventors (with patents filed for the assignee):

Peter Gefter (10 out of 44 patents)

Scott J Gehlke (10 out of 17 patents)

Leslie Wayne Partridge (7 out of 22 patents)

4. Michael G Yost (6 out of 6 patents)

5. Mark Blitshteyn (5 out of 5 patents)

6. Ira J Pitel (5 out of 24 patents)

7. Lawrence Levit (4 out of 8 patents)

8. Dennis A Leri (4 out of 4 patents)

9. Arnold J Steinman (4 out of 4 patents)

10. Gregory Vernitsky (3 out of 4 patents)

11. Aleksey Klochkov (2 out of 27 patents)

12. John Edgar Menear (2 out of 8 patents)

13. Martin H Graham (2 out of 46 patents)

14. Alexander Ignatenko (2 out of 2 patents)

15. Petr Gefter (2 out of 2 patents)

Core Competencies:

Static Neutralization

Ionizing Electrode Structure

Corona Discharge Apparatus

Air Ionization Module

Electrostatic Charge Measurement

Self-Balancing Bipolar Ionizer

In-Line Gas Ionizer

Dynamic Air Ionizer

Silicon Ion Emitter Electrodes

Pulse Oscillator

Air Ionization Apparatus

Combined Air Ionizer

41 patents: Sort by Forward Citations

1. 8063336 - Multi-frequency static neutralization (2011-11-22),

2. 8009405 - Low maintenance AC gas flow driven static neutralizer and method (2011-08-30),

3. 7483255 - Ionizing electrode structure and apparatus (2009-01-27),

4. 7339778 - Corona discharge static neutralizing apparatus (2008-03-04),

5. 7295418 - Collimated ionizer and method (2007-11-13),

6. 7212393 - Air ionization module and method (2007-05-01),

7. 7057130 - Ion generation method and apparatus (2006-06-06),

8. 7042694 - Self-balancing shielded bipolar ionizer with air assist (2006-05-09),

9. 6850403 - Air ionizer and method (2005-02-01),

10. 6807044 - Corona discharge apparatus and method of manufacture (2004-10-19),

11. 6798637 - Dynamic air ionizer and method (2004-09-28),

12. 6791815 - Dynamic air ionizer and method (2004-09-14),

13. 6781205 - Electrostatic charge measurement on semiconductor wafers (2004-08-24),

14. 6719142 - Apparatus and method for measuring static charge on wafers, disks, substrates, masks, and flat panel displays (2004-04-13),

15. 6693788 - Air ionizer with static balance control (2004-02-17),

Ion Systems, Inc. is a leading provider of advanced technology solutions for cleanroom environments. With expertise in ionization products, our company offers a range of innovative solutions to control electrostatic discharge (ESD) and particle contamination. We have been serving various industries, including semiconductor, electronics, medical devices, and more, for over three decades. Ion Systems is committed to delivering high-quality products and exceptional customer service to ensure optimal performance and reliability in critical cleanroom applications.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

41 Patents

#17 in Berkeley, CA

#1,982 in California

#8,416 in US

#16,646 in the World

Berkeley, CA, United States of America

Ion Systems, Inc.

Forward Citations = 964

28 inventors:

Peter Gefter (10 out of 44 patents)

Scott J Gehlke (10 out of 17 patents)

Leslie Wayne Partridge (7 out of 22 patents)

4. Michael G Yost (6 out of 6 patents)

5. Mark Blitshteyn (5 out of 5 patents)

Please report any incorrect information to [email protected]

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