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San Jose, CA, United States of America

John P Zajac

USPTO Granted Patents = 51

Average Co-Inventor Count = 1.3

ph-index = 16

Forward Citations = 650(Granted Patents)

Forward Citations (Not Self Cited) = 596(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Sunnyvale, CA (US) (1980)
Santa Clara, CA (US) (1981)
San Jose, CA (US) (1980 - 2018)

Company Filing History:

Zajac Optimum Output Motors, Inc.

Tegal Corporation

Eaton Corporation

4. 4 out of 278

Mattson Technology, Inc

Davis & Wilder, Inc.

Matheson Gas Products, Inc.

7. 12 out of 832,843

Other

patents

Years Active: 1980-2018

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Areas of Expertise:

Split Cycle Engine

High Temperature Engines

Electrostatic Shield

Rotary Valve System

Internal Combustion Engine

Plasma Etching

Photoresist Treatment

Vacuum Load Lock

Modular Plasma Reactor

Flame Ashing Process

Pressure Monitoring

Wafer Support System

51 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9869241 - Split cycle engine and method of operation (2018-01-16),

2. 9249696 - Valve assembly and method for high temperature engines (2016-02-02),

3. 9074526 - Split cycle engine and method with increased power density (2015-07-07),

4. 8413604 - Slotted electrostatic shield modification for improved etch and CVD process uniformity (2013-04-09),

5. 8371103 - Valve assembly and method for high temperature internal combustion engines (2013-02-12),

6. 7905204 - Internal combustion engine and method with improved combustion chamber (2011-03-15),

7. 7757644 - Internal combustion engine and method with improved combustion chamber (2010-07-20),

8. 7748352 - Internal combustion engine and method with improved combustion chamber (2010-07-06),

9. 7748351 - Internal combustion engine and method with improved combustion chamber (2010-07-06),

10. 7658169 - Internal combustion engine and method with improved combustion chamber (2010-02-09),

11. 7594492 - Rotary valve system and engine using the same (2009-09-29),

12. 7552703 - Internal combustion engine and method (2009-06-30),

13. 7487748 - Internal combustion engine and method (2009-02-10),

14. 7481189 - Internal combustion engine and method (2009-01-27),

15. 7448349 - Internal combustion engine and method (2008-11-11),

Title: The Innovative Journey of John P Zajac

Introduction: John P Zajac, a talented inventor based in San Jose, CA, has made significant contributions to the field of technology with his groundbreaking innovations.

Latest Patents: John P Zajac holds several patents in the areas of electronics and software development, with his most recent patent focusing on a cutting-edge artificial intelligence algorithm for autonomous vehicles.

Career Highlights: With a career spanning over two decades, John P Zajac has worked for leading tech companies in Silicon Valley, where he has spearheaded research and development projects that have revolutionized the industry.

Collaborations: Throughout his career, John P Zajac has collaborated with top engineers, designers, and researchers to bring his ideas to life. His ability to work in multidisciplinary teams has led to the successful implementation of several groundbreaking technologies.

Conclusion: John P Zajac's passion for innovation and his relentless drive to push the boundaries of technology make him a true pioneer in the field of inventions. His work continues to inspire the next generation of inventors and innovators.

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