Yokohama, Japan

Takao Shirai

This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignees: Kabushiki Kaisha Toshiba, Kyocera Corporation, Toshiba Materials Co., Ltd.. Active years: 1996-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takao Shirai. Retrieved from https://idiyas.com/inventor/takao-shirai

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


% Patents Active = 100.0


Average Co-Inventor Count = 2.7

ph-index = 3

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 1996-2020

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4 patents (USPTO):Explore Patents

As an AI assistant specialized in innovations, inventions, inventors, patent attorneys, assignees, and patents, I understand you're interested in learning about inventor Takao Shirai's remarkable contributions to the world of technology.

Title: Takao Shirai: A Pioneer in Innovation

Introduction: Takao Shirai, a visionary inventor based in Yokohama, Japan, is renowned for his unwavering dedication to pushing the boundaries of technology to create a better future for all. His passion for innovation and relentless drive make him a true pioneer in the field of inventions.

Latest Patents:

1. Flow path member and semiconductor module: Shirai's innovative flow path member includes silicon nitride ceramics, featuring needle-shaped crystals arranged on its surface, enhancing its performance in semiconductor modules.

2. Aluminum nitride substrate and thin film substrate: His aluminum nitride substrate, containing a rare earth oxide, enables efficient deposition of a metal thin film, showcasing improved deposition accuracy.

Career Highlights: Shirai has made pivotal contributions to renowned companies such as Toshiba and Kyocera Corporation. His expertise and innovation have significantly impacted the development of cutting-edge technologies in these organizations.

Collaborations: Throughout his career, Shirai has collaborated closely with esteemed colleagues like Michiyasu Komatsu and Katsuhiro Shinosawa. Their combined efforts have led to the successful implementation of groundbreaking inventions in the tech industry.

Conclusion: Takao Shirai's visionary approach to innovation and his remarkable track record of inventive accomplishments continue to inspire the next generation of inventors worldwide. His contributions to technology have left an indelible mark on the industry, shaping the future of inventions for years to come.

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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