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Chi K Chang

This inventor holds 86 USPTO granted patents and 1 EPO patent, primarily in Flash Memory Technology (CPC class H01L2-1336). Top assignees: Advanced Micro Devices Corporation, Spansion LLC., Cypress Semiconductor Corporation. Active years: 1988-2018.

USPTO Granted Patents = 86

% Patents Active = 89.5

EPO Patents = 1

Average Co-Inventor Count = 3.9

ph-index = 20

Forward Citations = 1,412(Granted Patents)

Forward Citations (Not Self Cited) = 1,388(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Los Angeles, CA (US) (1988)
Houston, TX (US) (1993)
San Jose, CA (US) (2002)
Redwood City, CA (US) (1990 - 2016)
Saratoga, CA (US) (2010 - 2018)

Company Filing History:

64 out of 13,157

Advanced Micro Devices Corporation

Cypress Semiconductor Corporation

Fujitsu Amd Semiconductor Limited

patents

7. 8 out of 834,411

Other

patents

where one patent can have more than one assignee

Years Active: 1988-2018

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Areas of Expertise:

Flash Memory Cells

Trenched Storage Elements

Dual Storage Nodes

Non-Volatile Memory

Silicon-Rich Nitride

Charge Storage Nodes

Nitridated Tunnel Oxide

Memory Device Fabrication

P-Channel NAND

Memory Programming Methods

Thin Bottom Oxide

Shallow Trench Isolation

86 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9917211 - Flash memory cells having trenched storage elements (2018-03-13),

2. 9461151 - Dual storage node memory (2016-10-04),

3. 9159568 - Method for fabricating memory cells having split charge storage nodes (2015-10-13),

4. 8803216 - Memory cell system using silicon-rich nitride (2014-08-12),

5. 8742486 - Flash memory cells having trenched storage elements (2014-06-03),

6. 8564042 - Dual storage node memory (2013-10-22),

7. 8455268 - Gate replacement with top oxide regrowth for the top oxide improvement (2013-06-04),

8. 8183623 - Dual charge storage node memory device and methods for fabricating such device (2012-05-22),

9. 8076712 - Semiconductor memory comprising dual charge storage nodes and methods for its fabrication (2011-12-13),

10. 7915123 - Dual charge storage node memory device and methods for fabricating such device (2011-03-29),

11. 7785965 - Dual storage node memory devices and methods for fabricating the same (2010-08-31),

12. 7767517 - Semiconductor memory comprising dual charge storage nodes and methods for its fabrication (2010-08-03),

13. 7671403 - P-channel NAND in isolated N-well (2010-03-02),

14. 7288809 - Flash memory with buried bit lines (2007-10-30),

15. 6995423 - Memory device having a P+ gate and thin bottom oxide and method of erasing same (2006-02-07),

Title: Pioneering Inventor Chi K Chang: Pushing Boundaries of Innovation

Introduction:

In the realm of inventions, there are individuals who stand out for their dedication to pushing the boundaries of what is possible. Chi K Chang, a talented inventor based in Houston, TX (US), is one such individual. With a passion for innovation and a relentless pursuit of new ideas, Chi K Chang has made a mark in the world of patents and inventions.

Latest Patents:

Chi K Chang's latest patents showcase his ingenuity and creativity in the field of technology. One of his recent inventions includes "Flash Memory Cells Having Trenched Storage Elements," which revolutionizes memory cell technology by introducing a unique storage element design. Another notable patent is "Dual Storage Node Memory," where Chi K Chang explores cutting-edge charge storage elements for improved memory cell performance.

Career Highlights:

Throughout his career, Chi K Chang has accumulated an impressive 86 patents, demonstrating his expertise and prolific contributions to the world of inventions. He has been associated with renowned companies like Advanced Micro Devices Corporation and Spansion LLC, where he has honed his skills and made significant technological advancements.

Collaborations:

In his innovative journey, Chi K Chang has collaborated with talented individuals who share his passion for groundbreaking inventions. Two of his esteemed coworkers, Yu Nan Sun and Sameer S Haddad, have been instrumental in bringing his visionary ideas to life. Together, they have worked on various projects that have pushed the boundaries of innovation.

Conclusion:

Chi K Chang's relentless pursuit of innovation and his dedication to exploring new frontiers make him a true pioneer in the world of inventions. With a formidable portfolio of patents and a visionary approach to technology, Chi K Chang continues to inspire and shape the future of inventions.

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