Shinagawa, Japan

Tatsuo Shimizu

This inventor holds 220 USPTO granted patents and 22 published patent applications, primarily in Semiconductor Devices (CPC class H01L29-1608). Top assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage Corporation, Nisshinbo Industries, Inc.. Active years: 1995-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuo Shimizu. Retrieved from https://idiyas.com/inventor/tatsuo-shimizu

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

USPTO Granted Patents = 220 

% Patents Active = 83.6

Average Co-Inventor Count = 2.2

ph-index = 11

Forward Citations = 591(Granted Patents)

Forward Citations (Not Self Cited) = 485(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Nishi-ku, Sapporo-shi, Hokkaido JP (1995)
  • Sapporo-shi, Hokkaido JP (1996)
  • Kanagawa-ken, JP (1999)
  • Kawasaki, JP (2004)
  • Shinagawa-ku, JP (2009 - 2015)
  • Tsukuba, JP (2014 - 2016)
  • Shinigawa, JP (2017 - 2018)
  • Shinagawa Tokyo, JP (2022)
  • Tokyo, JP (2003 - 2024)
  • Shinagawa, JP (2015 - 2024)

Company Filing History:


Years Active: 1995-2026

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Areas of Expertise:
Semiconductor Device
Manufacturing Method
Inverter Circuit
Silicon Carbide
Nitride Semiconductor
Power Circuit
Driving Device
Wafer Technology
Electrical Components
Vehicle Applications
Elevator Systems
Compound Members
220 patents (USPTO):Explore Patents

Title: Tatsuo Shimizu: A Pioneering Inventor in Semiconductor Technologies

Introduction:

Tatsuo Shimizu, a talented innovator hailing from Shinagawa, Japan, has left a lasting impact in the field of semiconductor devices and manufacturing methods. With 184 patents to his name, Shimizu's contributions have significantly influenced the development of cutting-edge technologies. This article delves into his latest patents, career highlights, notable collaborations, and his remarkable journey as a prominent inventor.

Latest Patents:

Shimizu's recent patents highlight his expertise in semiconductor device design, inverter circuitry, driver devices, and advancements in the automotive industry. One notable patent involves a semiconductor device incorporating a silicon carbide layer, gate electrode, and silicon oxide layer, enabling improved performance and enhanced nitrogen concentration. Additionally, he introduced a method for manufacturing substrates, which involves preparing a structure body, forming a hole, and integrating a third semiconductor member composed of silicon carbide with specific elements.

Career Highlights:

Shimizu's remarkable career showcases his fruitful associations with renowned companies, such as Kabushiki Kaisha Toshiba and Nisshinbo Industries, Inc. (Nisshinbo). At Kabushiki Kaisha Toshiba, a globally recognized electronics manufacturer, Shimizu honed his skills and made significant contributions to the company's semiconductor device development. During his tenure at Nisshinbo Industries, Inc., a prominent diversified corporation, Shimizu further expanded his expertise and continued to innovate in the semiconductor domain.

Collaborations:

Throughout his journey, Shimizu has collaborated with esteemed peers, enriching his knowledge and expanding the scope of his research. Notably, his collaborations with Ryosuke Iijima and Takashi Shinohe have resulted in groundbreaking inventions. Their combined efforts have facilitated advancements in semiconductor device design, manufacturing techniques, and overall industry standards.

Conclusion:

Tatsuo Shimizu's impressive repertoire of patents, career highlights, and collaborations symbolizes his invaluable contributions to the field of semiconductor technologies. His groundbreaking inventions and manufacturing methods demonstrate his passion for pushing the boundaries of innovation. As the world progresses towards a technology-driven future, Shimizu's work continues to shape advancements in semiconductor devices and their manufacturing processes, leaving a lasting legacy that inspires future generations of inventors and engineers.

Note: The information provided is based on the given data and may not include all the details about Tatsuo Shimizu's career and accomplishments.

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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