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San Leandro, CA, United States of America

Weiguo Liu

USPTO Granted Patents = 13 (Patent Applications = 7)

EPO Patents = 2 (Patent Applications = 3)

Average Co-Inventor Count = 2.7

ph-index = 2

Forward Citations = 9(Granted Patents)

Location History:

San Leandro, CA (US) (2009 - 2024)
Fremont, CA (US) (2021 - 2024)

Company Filing History:

Beijing Tongmei Xtal Technology Co., Ltd.

Years Active: 2009-2025

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12398486 - Method and system for vertical gradient freeze 8 inch gallium arsenide substrates (2025-08-26),

2. 12336319 - Germanium single-crystal wafer, method for preparing germanium single-crystal wafer, method for preparing crystal bar, and use of single-crystal wafer (2025-06-17),

3. 12276044 - Low etch pit density gallium arsenide crystals with boron dopant (2025-04-14),

4. 12084790 - Low etch pit density 6 inch semi-insulating gallium arsenide wafers (2024-09-10),

5. 12054851 - Low etch pit density, low slip line density, and low strain indium phosphide (2024-08-06),

6. 11680340 - Low etch pit density 6 inch semi-insulating gallium arsenide wafers (2023-06-20),

7. 11608569 - Low etch pit density, low slip line density, and low strain indium phosphide (2023-03-21),

8. 11127867 - Monocrystalline germanium wafers, method for preparing the same, method for preparing ingots and use of monocrystalline wafers (2021-09-21),

9. 8647433 - Germanium ingots/wafers having low micro-pit density (MPD) as well as systems and methods for manufacturing same (2014-02-11),

10. 8506706 - Systems, methods and substrates of monocrystalline germanium crystal growth (2013-08-13),

11. 8361225 - Low etch pit density (EPD) semi-insulating III-V wafers (2013-01-29),

12. 8231727 - Crystal growth apparatus and method (2012-07-31),

13. 7566641 - Low etch pit density (EPD) semi-insulating GaAs wafers (2009-07-28),

Title: Inventor Weiguo Liu: Revolutionizing Technology in San Leandro

Introduction: Weiguo Liu is a visionary inventor based in San Leandro, CA, known for his groundbreaking contributions to the field of technology.

Latest Patents: Weiguo Liu holds several patents in the areas of artificial intelligence, renewable energy, and sustainable technologies, showcasing his innovative mindset and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Weiguo Liu has worked with leading tech companies, research institutions, and universities to develop cutting-edge solutions that have had a significant impact on various industries.

Collaborations: Weiguo Liu has collaborated with top engineers, scientists, and researchers from around the world, fostering a culture of innovation and creativity in all his projects.

Conclusion: Weiguo Liu's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology.

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