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Santa Clara, CA, United States of America

Tuan Duc Pham

This inventor holds 104 USPTO granted patents and 2 published patent applications and 8 EPO patents, primarily in Non-volatile Memory (CPC class H01L27-11582). Top assignees: Advanced Micro Devices Corporation, Sandisk Technologies Inc., Sandisk Corporation. Active years: 1997-2025.

USPTO Granted Patents = 104 (Patent Applications = 2)

% Patents Active = 73.1

EPO Patents = 8 (Patent Applications = 6)

Average Co-Inventor Count = 3.7

ph-index = 19

Forward Citations = 1,334(Granted Patents)

Forward Citations (Not Self Cited) = 1,287(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Phoenix, AZ (US) (1997 - 2003)
Torrance, CA (US) (2007)
San Diego, CA (US) (2003 - 2012)
Santa Clara, CA (US) (1999 - 2020)
San Jose, CA (US) (2001 - 2024)

Company Filing History:

36 out of 13,146

Advanced Micro Devices Corporation

patents

35 out of 4,917

Sandisk Technologies Inc.

Leading Edge Technologies, Inc.

patents

5. 1 out of 203

Pdf Solutions, Incorporated

9. 7 out of 834,307

Other

patents

where one patent can have more than one assignee

Years Active: 1997-2025

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Areas of Expertise:

Non-volatile Memory

Three-dimensional Memory

Signal Routing

Air Gap Isolation

NAND Flash Memory

Memory Characterization

Floating Gate

Transistor Structures

Integrated Circuits

Memory Fabrication

Electrical Isolation

Epitaxial Channel

104 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12406729 - Non-volatile memory with inter-die connection (2025-09-02),

2. 11973044 - Non-volatile memory with efficient signal routing (2024-04-30),

3. 10679723 - Direct memory characterization using periphery transistors (2020-06-09),

4. 10283566 - Three-dimensional memory device with through-stack contact via structures and method of making thereof (2019-05-07),

5. 10224373 - Three-dimensional ReRAM memory device employing replacement word lines and methods of making the same (2019-03-05),

6. 10115770 - Methods and apparatus for three-dimensional nonvolatile memory (2018-10-30),

7. 10103161 - Offset backside contact via structures for a three-dimensional memory device (2018-10-16),

8. 10014316 - Three-dimensional memory device with leakage reducing support pillar structures and method of making thereof (2018-07-03),

9. 9917093 - Inter-plane offset in backside contact via structures for a three-dimensional memory device (2018-03-13),

10. 9842851 - Three-dimensional memory devices having a shaped epitaxial channel portion (2017-12-12),

11. 9768270 - Method of selectively depositing floating gate material in a memory device (2017-09-19),

12. 9711522 - Memory hole structure in three dimensional memory (2017-07-18),

13. 9659956 - Three-dimensional memory device containing source select gate electrodes with enhanced electrical isolation (2017-05-23),

14. 9613806 - Triple patterning NAND flash memory (2017-04-04),

15. 9601508 - Blocking oxide in memory opening integration scheme for three-dimensional memory structure (2017-03-21),

Title: Innovations and Contributions of Tuan Duc Pham

Introduction

Tuan Duc Pham is an accomplished inventor based in Santa Clara, CA, known for his extensive contributions to the field of non-volatile memory technologies. With an impressive portfolio of 103 patents, he has significantly influenced the landscape of memory engineering.

Latest Patents

Among his notable inventions are two recent patents focused on innovative memory technologies. The first is titled "Non-volatile memory with efficient signal routing," which describes an integrated memory assembly composed of a control die bonded to a memory die. This memory die features multiple non-volatile memory structures, each consisting of a stack of alternating conductive and dielectric layers. The design includes gaps between these structures, allowing for an efficient routing of signals through metal interlayer segments connected to a top metal layer.

The second patent, "Direct memory characterization using periphery transistors," presents a unique system and method for the direct characterization of memory cells in a memory array through peripheral transistors. This invention allows for enhanced testing of non-volatile memory cells by applying a simulated Erase signal to determine which cells are erased, ultimately leading to the manufacturing of product chips with improved characteristics.

Career Highlights

Tuan Duc Pham has worked with several prominent companies, including Advanced Micro Devices Corporation and SanDisk Technologies Inc. His experience in these organizations has equipped him with the expertise required to innovate in the competitive field of semiconductor technology.

Collaborations

Throughout his career, Tuan has collaborated with notable colleagues, such as Mark T Ramsbey and Masaaki Higashitani. These collaborations have facilitated the exchange of ideas and advancements in various technology sectors, further enhancing the impact of his inventions.

Conclusion

Tuan Duc Pham's inventive spirit and dedication to advancing memory technology are evident through his substantial number of patents and impactful collaborations. His latest innovations continue to pave the way for new possibilities in the realm of non-volatile memory, representing the forefront of technological advancement in this vital industry.

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