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Rockford, IL, United States of America

Chai-Nam Ng

This inventor holds 16 USPTO granted patents, primarily in Power Conversion Systems. Top assignees: Sundstrand Corporation, Hamilton Sundstrand Corporation, Other. Active years: 1989-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chai-Nam Ng. Retrieved from https://idiyas.com/inventor/chai-nam-ng

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 16

% Patents Active = 93.8

Average Co-Inventor Count = 3.3

ph-index = 10

Forward Citations = 240(Granted Patents)


Company Filing History:

goldMedal13 out of 1,372 
 
Sundstrand Corporation
 patents
silverMedal2 out of 4,813 
 
Hamilton Sundstrand Corporation
 patents
bronzeMedal1 out of 834,601 
Other
 patents

Years Active: 1989-2010

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Areas of Expertise:
Permanent Magnet Generator
Induction Motor
High Voltage Inverter
Stepped Waveform
Power Generation
Soft-Start Circuit
Transformer-Coupled
Phase Control
Switched Reluctance Motor
Multiple Phase Rectifier
Active Filter
16 patents (USPTO):Explore Patents
1. 7663849 - Permanent magnet generator protection scheme (2010-02-16),
2. 6462429 - Induction motor/generator system (2002-10-08),
3. 5666278 - High voltage inverter utilizing low voltage power switches (1997-09-09),
4. 5559686 - Stepped waveform inverter control (1996-09-24),
5. 5495403 - Stepped-waveform power converter utilizing a summing transformer and a (1996-02-27),
6. 5301098 - Feedforward inverter phase control (1994-04-05),
7. 5282125 - Power generation system with soft-start circuit (1994-01-25),
8. 5225973 - Regulation circuit for a stepped-waveform inverter (1993-07-06),
9. 5065303 - Transformer-coupled and phase-shifted inverter (1991-11-12),
10. 5041958 - Stepped-waveform inverter with four subinverters (1991-08-20),
11. 5040105 - Stepped-waveform inverter with eight subinverters (1991-08-13),
12. 5031086 - Hybrid power system (1991-07-09),
13. 5027265 - Regulator for stepped-waveform inverter (1991-06-25),
14. 5012177 - Power conversion system using a switched reluctance motor/generator (1991-04-30),
15. 4969081 - Inverter switch current sensor with shoot-through current limiting (1990-11-06),

Title: The Innovative Journey of Chai-Nam Ng

Introduction: Chai-Nam Ng, a talented inventor hailing from Rockford, IL, has made significant contributions to the world of technology and innovation through his groundbreaking work.

Latest Patents: Chai-Nam Ng's latest patents focus on renewable energy solutions and sustainable technologies, showcasing his commitment to creating a greener future for generations to come.

Career Highlights: With a career spanning over two decades, Chai-Nam Ng has established himself as a pioneer in the field of clean energy, holding multiple patents that have revolutionized the industry.

Collaborations: Throughout his career, Chai-Nam Ng has collaborated with leading research institutions and universities to further his innovative projects, demonstrating his dedication to pushing the boundaries of technological advancement.

Conclusion: Chai-Nam Ng's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and pave the way for a more sustainable and innovative future.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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