Kanagawa, Japan

Toshifumi Yasui

This inventor holds 19 USPTO granted patents and 7 published patent applications. Top assignees: Sony Corporation, Sony Group Corporation. Active years: 2011-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshifumi Yasui. Retrieved from https://idiyas.com/inventor/toshifumi-yasui

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

USPTO Granted Patents = 19 

% Patents Active = 84.2

Average Co-Inventor Count = 1.3

ph-index = 2

Forward Citations = 14(Granted Patents)


Location History:

  • Saitama, JP (2011 - 2012)
  • Kanagawa, JP (2014 - 2023)
  • Tokyo, JP (2012 - 2024)

Company Filing History:


Years Active: 2011-2025

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19 patents (USPTO):Explore Patents

Title: Toshifumi Yasui: Innovator in Liquid Crystal Display Technology

Introduction

Toshifumi Yasui, an esteemed inventor based in Kanagawa, Japan, has made significant strides in the realm of display technology with a total of 18 patents to his name. His work primarily focuses on liquid crystal display devices and optical systems, contributing to advancements in electronic apparatuses that improve visual performance.

Latest Patents

Among his latest innovations is a sophisticated liquid crystal display device that features a unique arrangement of components. This device includes a liquid crystal layer, a drive substrate with both light-shielding and transmissive regions, and a configuration of pixel electrodes designed for optimal light transmission. Another notable patent concerns an optical system and projector that integrates a projection optical system and an optical path splitting unit, enhancing the quality of projected images through precise detection and control.

Career Highlights

Throughout his career, Toshifumi Yasui has been associated with prominent companies such as Sony Corporation and Sony Group Corporation. His tenure at these organizations allowed him to hone his expertise and contribute to industries at the forefront of technological innovation.

Collaborations

In his work, Yasui has collaborated with notable colleagues, including Kazuyuki Takahashi and Kazumasa Kaneda. These collaborations have facilitated a pooling of ideas and expertise, further driving innovation in the development of cutting-edge display technologies.

Conclusion

Toshifumi Yasui continues to be a pivotal figure in the field of liquid crystal display technology. His impressive array of patents and cooperation with industry leaders underline his commitment to advancing electronic visualization solutions. As the demand for improved display technologies grows, Yasui's contributions will undoubtedly play a significant role in shaping the future of this dynamic field.

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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