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For the Inventor, By the Inventor

Fremont, CA, United States of America

Chi-Ming Wang

This inventor holds 27 USPTO granted patents and 4 EPO patents, primarily in Non-Volatile Memory. Top assignees: Sandisk Corporation, Sandisk Technologies Inc., Catalyst Semiconductor, Inc.. Active years: 1996-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chi-Ming Wang. Retrieved from https://idiyas.com/inventor/chi-ming-wang

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

USPTO Granted Patents = 27

% Patents Active = 85.2

 

Average Co-Inventor Count = 3.9

ph-index = 15

Forward Citations = 1,646(Granted Patents)


Location History:

  • Fremont, CA (US) (1996 - 2012)
  • Milpitas, CA (US) (2014 - 2016)

Company Filing History:

goldMedal21 out of 1,339 
 
Sandisk Corporation
 patents
silverMedal5 out of 4,955 
 
Sandisk Technologies Inc.
 patents
bronzeMedal1 out of 40 
 
Catalyst Semiconductor, Inc.
 patents

Years Active: 1996-2016

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Areas of Expertise:
Vertical NAND
Data Shuffling
Sense Amplifier
Non-Volatile Memory
Voltage Generation
Current Sense Amplifier
Programming Techniques
Temperature Compensation
Noise Reduction
Floating Scheme
High Speed
Charge Pumps
27 patents (USPTO):Explore Patents
1. 9515080 - Vertical NAND and method of making thereof using sequential stack etching and landing pad (2016-12-06),
2. 8884357 - Vertical NAND and method of making thereof using sequential stack etching and landing pad (2014-11-11),
3. 8228729 - Structure and method for shuffling data within non-volatile memory devices (2012-07-24),
4. 8169831 - High speed sense amplifier array and method for non-volatile memory (2012-05-01),
5. 8102705 - Structure and method for shuffling data within non-volatile memory devices (2012-01-24),
6. 7957197 - Nonvolatile memory with a current sense amplifier having a precharge circuit and a transfer gate coupled to a sense node (2011-06-07),
7. 7606076 - Sensing in non-volatile storage using pulldown to regulated source voltage to remove system noise (2009-10-20),
8. 7518910 - Variable reading of non-volatile memory (2009-04-14),
9. 7489542 - Systems for variable reading in non-volatile memory (2009-02-10),
10. 7468915 - Method of reducing disturbs in non-volatile memory (2008-12-23),
11. 7368979 - Implementation of output floating scheme for hv charge pumps (2008-05-06),
12. 7339822 - Current-limited latch (2008-03-04),
13. 7319630 - Current-limited latch (2008-01-15),
14. 7259987 - Systems for variable programming of non-volatile memory (2007-08-21),
15. 7145804 - Method of reducing disturbs in non-volatile memory (2006-12-05),

Title: Chi-Ming Wang: Innovator in Vertical NAND Technology

Introduction

Chi-Ming Wang, based in Fremont, CA, is a prominent inventor with a remarkable portfolio of 27 patents to his name. His work in the field of vertical NAND technology has significantly impacted the semiconductor industry, showcasing his expertise and innovation.

Latest Patents

One of Chi-Ming Wang's latest contributions is a patent related to Vertical NAND and the method of making it using sequential stack etching and landing pad. This innovative vertical NAND string device features a semiconductor channel, with one end extending substantially perpendicular to a major surface of a substrate. It encompasses various key components, including a semiconductor or electrically conductive landing pad embedded in the semiconductor channel, a tunnel dielectric, a charge storage region, a blocking dielectric, and multiple control gate electrodes aligned parallel to the major surface of the substrate.

Career Highlights

Throughout his career, Chi-Ming Wang has been associated with renowned companies such as SanDisk Corporation and SanDisk Technologies Inc. His work in these organizations has allowed him to refine his skills as an inventor and develop groundbreaking technologies that enhance data storage solutions.

Collaborations

Chi-Ming has worked alongside notable colleagues, including Daniel C. Guterman and George Samachisa. These collaborations have fostered a creative environment that encourages innovation and technological advancements in semiconductor manufacturing.

Conclusion

With a strong patent portfolio and a history of impactful collaborations, Chi-Ming Wang stands out as a key figure in the development of vertical NAND technologies. His contributions continue to push the boundaries of what is possible in the semiconductor field, highlighting his role as a leading inventor in this vital industry.

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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