Tokyo, Japan

Toshiharu Matsushima

This inventor holds 135 USPTO granted patents and 39 published patent applications and 1 EPO patent, primarily in Display Technology (CPC class G02F1-134363). Top assignees: Japan Display Inc., Seiko Epson Corporation, Sony Corporation. Active years: 2000-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiharu Matsushima. Retrieved from https://idiyas.com/inventor/toshiharu-matsushima

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

USPTO Granted Patents = 135 

% Patents Active = 86.7


Average Co-Inventor Count = 1.4

ph-index = 7

Forward Citations = 287(Granted Patents)

Forward Citations (Not Self Cited) = 235(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Nagano-ken, JP (2008)
  • Suwa, JP (2000 - 2011)
  • Azumino, JP (2010 - 2014)
  • Tottori, JP (2011 - 2018)
  • Kanagawa, JP (2016 - 2022)
  • Tokyo, JP (2015 - 2024)

Company Filing History:


Years Active: 2000-2026

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Areas of Expertise:
Liquid Crystal Display
Display Device
Polarization Conversion Element
Viewing Angle Control
Display System
Image Output Panel
Vehicle Display
Optical Element
Backlight Unit
Dimming Element
Head-Up Display
Electronic Apparatus
135 patents (USPTO):Explore Patents

Title: Toshiharu Matsushima: The Visionary Inventor from Tokyo

Introduction:

Toshiharu Matsushima, a true visionary in the world of inventions, has dedicated his career to pushing the boundaries of technology and innovation. With a remarkable 121 patents to his name, Matsushima's relentless pursuit of innovation sets him apart as a pioneer in the field of technology.

Latest Patents:

Among his latest patents is the "Polarization Conversion Element," a groundbreaking invention that incorporates intricate components such as first and second wirings, planar electrodes, control electrodes, alignment films, and a liquid crystal layer. This invention showcases Matsushima's expertise in developing cutting-edge technologies that have the potential to revolutionize various industries.

Career Highlights:

Matsushima's illustrious career includes impactful roles at renowned companies such as Japan Display Inc. and Seiko Epson Corporation. His innovative spirit and passion for technology have led to the successful development and commercialization of numerous groundbreaking inventions that have made a lasting impact on the industry.

Collaborations:

Throughout his career, Matsushima has collaborated with esteemed colleagues such as Osamu Okumura and Tsuyoshi Maeda. These collaborations have not only enriched his professional journey but have also resulted in the creation of innovative solutions that have set new benchmarks in the field of technology.

Conclusion:

In conclusion, Toshiharu Matsushima's remarkable achievements as an inventor and his unwavering dedication to innovation have established him as a true luminary in the world of inventions. His pioneering spirit and groundbreaking inventions continue to inspire future generations of inventors and innovators to push the boundaries of technology and drive positive change in the world.

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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