Tokyo, Japan

Takuji Yoshida

This inventor holds 26 USPTO granted patents and 2 published patent applications, primarily in Optical Devices. Top assignees: Oki Electric Industry Co., Ltd., Kabushiki Kaisha Toshiba, Sony Corporation. Active years: 1989-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takuji Yoshida. Retrieved from https://idiyas.com/inventor/takuji-yoshida

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

USPTO Granted Patents = 26 

% Patents Active = 73.1

Average Co-Inventor Count = 1.5

ph-index = 8

Forward Citations = 196(Granted Patents)


Location History:

  • Yokohama, JP (1995 - 2003)
  • Tokyo, JP (1989 - 2006)
  • Chiba, JP (2014)
  • Kanagawa, JP (1995 - 2021)

Company Filing History:


Years Active: 1989-2025

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Areas of Expertise:
Display Apparatus
Optical Member
Hologram Recording Film
Imaging Control
EEPROM Writing
Nonvolatile Memory
Semiconductor Memory
Digital Data Processing
Spatial Modulation
Picture Display
Disc Reproducing
Data Erasing
26 patents (USPTO):Explore Patents

Title: Innovations of Takuji Yoshida in Optical Devices

Introduction

Takuji Yoshida, an esteemed inventor based in Tokyo, Japan, has made significant contributions to the field of optical devices and display technologies. With an impressive portfolio of 25 patents, Yoshida has been at the forefront of innovations that enhance visual experiences for users.

Latest Patents

Yoshida's latest patents involve cutting-edge optical and display devices aimed at improving image brightness and uniformity. One notable invention is a display device designed to provide observers with bright and uniformly illuminated images. This technology includes a frame, an image display device comprising an image forming apparatus and an optical device. The optical device features a light guide plate along with a first and second deflection unit equipped with hologram diffraction gratings. These components work together to achieve optimal image quality based on precise slant angles and pitches.

Another remarkable invention from Yoshida is an optical device and method for producing the same, along with a display device that can be comfortably worn on a viewer's head. This design integrates an image display device consisting of an image forming device and an optical device that creates a virtual image. The optical device is specifically designed to facilitate light reception through a viewer's pupil, comprising two glass plates with shock-absorbing layers in between.

Career Highlights

Throughout his career, Takuji Yoshida has held key positions at reputable companies, including Oki Electric Industry Co., Ltd. and Toshiba Corporation. His tenure in these organizations has allowed him to refine his expertise in optical technologies and develop groundbreaking innovations that have a direct impact on the electronic and imaging industries.

Collaborations

Working alongside esteemed colleagues such as Kenichi Watanabe and Takeshi Matsui, Yoshida has collaborated on various projects that have broadened the scope of optical device applications. Their collective efforts in research and development have significantly contributed to advancements in display technology.

Conclusion

Takuji Yoshida's work in the realm of optical devices and display technologies exemplifies the spirit of innovation. His numerous patents reveal a dedication to enhancing the visual experience, and his collaborations with industry leaders reflect the importance of teamwork in driving advancements. As technology continues to evolve, Yoshida's inventions are likely to influence future developments in this exciting 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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