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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

Air Ionizer

Ion Generation

Electrostatic Charge

Corona Discharge

Dynamic Ionizer

Self-Balancing Ionizer

Ionizing Electrode

Gas Ionization

Charge Monitoring

Particle Emitters

Voltage Converter

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., based in Berkeley, CA, specializes in advanced technologies for static neutralization and air ionization. The company develops innovative solutions including ionizing electrode structures and corona discharge apparatuses, aimed at enhancing electrostatic charge measurement and control. Their product offerings encompass self-balancing bipolar ionizers and dynamic air ionizers, catering to various industrial applications where static electricity management is critical. Ion Systems is committed to delivering effective solutions that improve operational efficiency and product quality.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

41 Patents

#17 in Berkeley, CA

#1,986 in California

#8,432 in US

#16,680 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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