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Ashok K Sinha

This inventor holds 69 USPTO granted patents and 2 published patent applications, primarily in Solar Cell Technology (CPC class 1187). Top assignees: Applied Materials, Inc., Sunpreme, Ltd., Mattson Technology, Inc. Active years: 1993-2017.

USPTO Granted Patents = 69 (Patent Applications = 2)

% Patents Active = 69.6

Average Co-Inventor Count = 4.4

ph-index = 31

Forward Citations = 6,710(Granted Patents)

Forward Citations (Not Self Cited) = 6,595(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Foster City, CA (US) (1999)
Palo Alto, CA (US) (1993 - 2010)
Mountain View, CA (US) (2011)
Los Altos Hills, CA (US) (2011 - 2012)
Los Altos Hill, CA (US) (2011 - 2017)

Company Filing History:

61 out of 14,403

Applied Materials, Inc.

Mattson Technology, Inc

patents

4. 2 out of 834,350

Other

patents

Years Active: 1993-2017

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Areas of Expertise:

Solar Cell Metallization

Thin Oxide Films

Multi-Junction Solar Cells

Vapor Deposition

Tungsten Materials

Electrochemical Deposition

Dielectric Materials

Interconnect Techniques

Plasma Processes

Copper Fill

Sputtering Techniques

Composite Films

69 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9577140 - Low-cost solar cell metallization over TCO and methods of their fabrication (2017-02-21),

2. 8796066 - Low-cost solar cells and methods for fabricating low cost substrates for solar cells (2014-08-05),

3. 8236706 - Method and apparatus for growing thin oxide films on silicon while minimizing impact on existing structures (2012-08-07),

4. 8084683 - Low-cost multi-junction solar cells and methods for their production (2011-12-27),

5. 8083963 - Removal of process residues on the backside of a substrate (2011-12-27),

6. 8048806 - Methods to avoid unstable plasma states during a process transition (2011-11-01),

7. 7960644 - Low-cost multi-junction solar cells and methods for their production (2011-06-14),

8. 7956283 - Low-cost solar cells and methods for their production (2011-06-07),

9. 7951640 - Low-cost multi-junction solar cells and methods for their production (2011-05-31),

10. 7709385 - Method for depositing tungsten-containing layers by vapor deposition techniques (2010-05-04),

11. 7674715 - Method for forming tungsten materials during vapor deposition processes (2010-03-09),

12. 7605083 - Formation of composite tungsten films (2009-10-20),

13. 7497932 - Electro-chemical deposition system (2009-03-03),

14. 7465666 - Method for forming tungsten materials during vapor deposition processes (2008-12-16),

15. 7465665 - Method for depositing tungsten-containing layers by vapor deposition techniques (2008-12-16),

Title: Innovator Spotlight: Ashok K Sinha - Revolutionizing Solar Cell Technology

Introduction:

Ashok K Sinha, a prolific inventor based in Palo Alto, CA, USA, has made significant contributions to the field of solar cell technology. With an impressive portfolio of 69 patents, Sinha is at the forefront of innovative solutions in the renewable energy sector.

Latest Patents:

Sinha's recent patents showcase his ingenuity in developing low-cost solar cell metallization techniques over Transparent Conductive Oxides (TCO). By utilizing copper instead of traditional silver paste, these methods offer a more affordable and efficient way of fabricating busbar and finger metallization over TCO. Additionally, Sinha has innovated methods for fabricating low-cost substrates for solar cells, enhancing the overall cost-effectiveness of solar energy production.

Career Highlights:

Throughout his career, Ashok K Sinha has garnered experience and expertise at reputable companies such as Applied Materials, Inc. and Sunpreme Ltd. His tenure at these organizations has undoubtedly influenced his inventive spirit and fueled his passion for advancing solar cell technologies.

Collaborations:

Sinha has collaborated with esteemed professionals in the industry, including Mei Yin Chang and Alfred W Mak. Together, they have worked towards pushing the boundaries of solar cell innovation and paving the way for a more sustainable future.

Conclusion:

Inventor Ashok K Sinha's relentless pursuit of excellence in the realm of solar cell technology is truly commendable. His groundbreaking patents and collaborations exemplify his dedication to driving innovation in the renewable energy sector, making him a trailblazer in the field.

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