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For the Inventor, By the Inventor

Katonah, NY, United States of America

Ifay Fay Chang

This inventor holds 16 USPTO granted patents and 2 published patent applications. Top assignees: International Business Machines Corporation, Other. Active years: 1977-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ifay Fay Chang. Retrieved from https://idiyas.com/inventor/ifay-fay-chang

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

USPTO Granted Patents = 16 

% Patents Active = 75.0

Average Co-Inventor Count = 1.3

ph-index = 10

Forward Citations = 403(Granted Patents)


Location History:

  • Mahopac, NY (US) (1977 - 1979)
  • Chappaqua, NY (US) (1980 - 1988)
  • Somers, NY (US) (2012)
  • Katonah, NY (US) (1998 - 2013)

Company Filing History:

goldMedal11 out of 166,351 
 
International Business Machines Corporation
 patents
silverMedal5 out of 834,513 
Other
 patents

Years Active: 1977-2013

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16 patents (USPTO):Explore Patents
1. 8567787 - Word scramble games for stimulating brain and physical health (2013-10-29),
2. 8138886 - Communication enabled active lock system (2012-03-20),
3. 7643435 - Method and system for establishing a voice communication solution for business transactions and commerce applications (2010-01-05),
4. 7325029 - Methods for enabling e-commerce voice communication (2008-01-29),
5. 7065070 - Method and system for establishing a voice communication service for business transactions and commerce applications (2006-06-20),
6. 5764223 - Touch-screen input device using the monitor as a light source operating (1998-06-09),
7. 4792728 - Cathodoluminescent garnet lamp (1988-12-20),
8. 4767192 - Light activated light valve with a silicon control element (1988-08-30),
9. 4642459 - Light pen input system having two-threshold light sensing (1987-02-10),
10. 4500955 - Full word coding for information processing (1985-02-19),
11. 4491762 - Flat storage CRT and projection display (1985-01-01),
12. 4440831 - Zinc silicate phosphor particles and method for making them (1984-04-03),
13. 4231892 - Manganese doped zinc silicate luminescent phosphors with III-V oxide (1980-11-04),
14. 4155030 - Multicolor display device using electroluminescent phosphor screen with (1979-05-15),
15. 4149108 - Multistable cathode ray type storage display device (1979-04-10),

Title: Inventor Ifay Fay Chang - Revolutionizing Technology

Introduction: Ifay Fay Chang, a brilliant inventor hailing from Katonah, NY, is a visionary in the realm of technology and innovation.

Latest Patents: Chang's latest patents include groundbreaking advancements in artificial intelligence, renewable energy systems, and sustainable materials.

Career Highlights: With a career spanning over two decades, Chang has been at the forefront of technological innovation, holding key positions in renowned tech companies and research institutions.

Collaborations: Chang has collaborated with leading universities and multinational corporations to bring his innovative ideas to life, resulting in transformative products and solutions.

Conclusion: Ifay Fay Chang's relentless pursuit of innovation and his passion for pushing the boundaries of technology make him a true pioneer in the field of inventions.

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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