Matsumoto, Japan

Toshihiko Sakai

This inventor holds 8 USPTO granted patents. Top assignee: Seiko Epson Corporation. Active years: 2010-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihiko Sakai. Retrieved from https://idiyas.com/inventor/toshihiko-sakai-8ukiniuk

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

Calculating rank

% Patents Active = 87.5

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 13(Granted Patents)


Location History:

  • Minamiminowa-mura, JP (2010 - 2011)
  • Matsumotoshi, JP (2017)
  • Matsumoto, JP (2013 - 2022)

Company Filing History:


Years Active: 2010-2022

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8 patents (USPTO):Explore Patents

Title: The Innovative Mind of Toshihiko Sakai

Introduction

Toshihiko Sakai, a prominent inventor from Matsumoto, Japan, has made significant contributions to the field of optical technologies. With a total of eight patents to his name, he has focused on advancing projection systems and image display apparatuses, showcasing a remarkable blend of expertise and creativity.

Latest Patents

Sakai's latest inventions include a projection system and a projection-type image display apparatus. His innovative projection system features a zooming function and is designed to allow light rays from a telecentric system to enter. This cutting-edge system consists of seven lens groups, with the first and seventh lens groups remaining fixed when changing the projection magnification. The second through sixth lens groups are meticulously designed to move along the optical axis in response to magnification adjustments, enhancing versatility and efficiency.

His projector invention elaborates on a projection system that includes seven sequentially arranged lens groups, featuring a combination of lenses with varying refractive powers. Such intricate designs aim to ensure superior image quality, as he carefully satisfies specific dispersion value conditions between the lenses involved in the system.

Career Highlights

Toshihiko Sakai is currently affiliated with Seiko Epson Corporation, a leader in imaging technology known for its breakthroughs in printing and projection systems. His commitment to innovation has been instrumental in developing advanced optical devices that have widespread applications across various industries.

Collaborations

In his career, Sakai has worked alongside talented coworkers, including Eiji Morikuni and Masatoshi Yonekubo. This collaboration with skilled professionals reflects the importance of teamwork in driving technological advancements and fostering innovative solutions in the realm of optical technologies.

Conclusion

Through his inventive spirit and collaborative efforts, Toshihiko Sakai continues to leave a mark in the field of optical engineering. His patents signify not only his personal achievements but also contribute to the progress in projection systems, enhancing the way we experience visual media.

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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