Yu Lei

This inventor holds 64 USPTO granted patents and 22 published patent applications and 2 EPO patents, primarily in Selective Metal Deposition. Top assignee: Applied Materials, Inc.. Active years: 2013-2026.

USPTO Granted Patents = 64 (Patent Applications = 22)

% Patents Active = 76.6

EPO Patents = 2 (Patent Applications = 1)

Average Co-Inventor Count = 8.0

ph-index = 6

Forward Citations = 177(Granted Patents)

Forward Citations (Not Self Cited) = 150(Dec 10, 2025)

Location History:

Foster City, CA (US) (2013 - 2020)
San Jose, CA (US) (2014 - 2022)
Belmont, CA (2022)
Belmont, CA (US) (2014 - 2024)

Company Filing History:

63 out of 14,391

Applied Materials, Inc.

patents

where one patent can have more than one assignee

Years Active: 2013-2026

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Areas of Expertise:

Selective Metal Deposition

Tungsten Deposition

Gapfill Techniques

Plasma Processing

Metal Oxide Preclean

Dual Plasma Pre-clean

Substrate Processing

Cobalt Gap-fill

Feature-to-Feature Variations

Process Chamber Innovations

Low-Temperature Processing

Integrated Process Flow

64 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12733466 - Integrated PVD tungsten liner and seamless CVD tungsten fill (2026-09-08),

2. 12733463 - Buffer layer for dielectric protection in physical vapor deposition metal liner applications (2026-09-08),

3. 12721122 - Method for metal gapfill (2026-08-25),

4. 12698561 - Purge ring for reduced substrate backside deposition (2026-08-04),

5. 12677648 - Treatment of tungsten surface for tungsten gap-fill (2026-07-07),

6. D1132263 - Purge ring for a substrate processing chamber (2026-06-30),

7. 12660271 - Method of reducing metal gate resistance for next generation NMOS device application (2026-06-16),

8. D1126933 - Upper edge ring of a process kit for semiconductor substrate processing (2026-05-19),

9. D1121576 - Purge ring for a substrate processing chamber (2026-04-07),

10. 12568804 - Method of in-situ selective metal removal via gradient oxidation for gapfill (2026-03-03),

11. D1112376 - Process chamber mixer (2026-02-10),

12. D1101709 - Process chamber shower head (2025-11-11),

13. 12469747 - Selective metal selectivity improvement with RF pulsing (2025-11-11),

14. 12463052 - Directional selective junction clean with field polymer protections (2025-11-04),

15. 12406884 - Self field-suppression CVD tungsten (W) fill on PVD W liner (2025-09-02),

Title: Inventor Yu Lei: Pioneering Innovations in Belmont, CA

Introduction: Yu Lei is a distinguished inventor based in Belmont, CA, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yu Lei holds several patents in the areas of artificial intelligence, machine learning, and robotics, showcasing his commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Yu Lei has worked with leading tech companies, research institutions, and universities to develop cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Yu Lei has collaborated with top engineers, scientists, and researchers, fostering a culture of innovation and excellence in all his projects.

Conclusion: Inventor Yu Lei's relentless pursuit of innovation and his passion for creating transformative technologies continue to inspire the next generation of inventors and innovators worldwide.