Yokohama, Japan

Yoshitaka Egawa

This inventor holds 61 USPTO granted patents and 10 published patent applications and 8 EPO patents, primarily in Solid-State Imaging (CPC class H01L). Top assignees: Kabushiki Kaisha Toshiba, Hochiki Corporation. Active years: 1986-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshitaka Egawa. Retrieved from https://idiyas.com/inventor/yoshitaka-egawa

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

USPTO Granted Patents = 61 

% Patents Active = 31.1

 

Average Co-Inventor Count = 1.5

ph-index = 14

Forward Citations = 746(Granted Patents)

Forward Citations (Not Self Cited) = 710(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kawasaki, JP (1995 - 1996)
  • Machida, JP (2006 - 2013)
  • Yokohama-shi, JP (2013)
  • Tokyo, JP (1986 - 2015)
  • Kanagawa, JP (2005 - 2015)
  • Yokohama, JP (2003 - 2016)
  • Kanagawa-ken, JP (2009 - 2016)

Company Filing History:


Years Active: 1986-2016

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Areas of Expertise:
Solid-State Imaging Device
Image Sensor
Alarm Device
Imaging Apparatus
CMOS Image Sensor
Noise Suppression Circuit
Image Pickup Device
Manufacturing Method
Defective Pixel Correction
Multi-Ramp-Wave Generating Unit
Battery Detection
Optical Black Sections
61 patents (USPTO):Explore Patents

Title: The Innovative Mind of Yoshitaka Egawa

Introduction: Yoshitaka Egawa, an influential inventor based in Yokohama, Japan, has made significant contributions to the field of solid-state imaging devices. With an impressive portfolio of 61 patents, Egawa's innovations continue to shape the future of imaging technology.

Latest Patents: Two of Yoshitaka Egawa's most recent patents showcase his expertise in solid-state imaging technology. The first patent describes a solid-state imaging device where pixels are organized using a grid set diagonally in relation to the column direction. This design features a green photoelectric conversion film for each pixel, which overlaps a red photoelectric conversion layer, while a blue photoelectric conversion layer is arranged in a manner that overlaps with the green film in terms of depth.

The second patent elaborates on a solid-state image sensor incorporating a photoelectric conversion element array, a light-collecting optical element array, wavelength-selective elements, and a reflecting unit. In this innovative design, the wavelength-selective elements allow specific colors of light to pass while reflecting others. The reflecting unit is engineered to further reflect light already reflected by these wavelength-selective elements, ensuring optimal light management and efficiency.

Career Highlights: Throughout his career, Yoshitaka Egawa has collaborated with notable companies such as Kabushiki Kaisha Toshiba and Hochiki Corporation. His roles in these organizations have enabled him to advance the development of groundbreaking technologies.

Collaborations: In his journey, Yoshitaka has worked closely with esteemed colleagues such as Shinji Ohsawa and Yukio Endo. These collaborations have not only fostered a creative environment but have also led to many innovative breakthroughs in the field of imaging devices.

Conclusion: Yoshitaka Egawa's remarkable contributions to solid-state imaging technology underscore the importance of innovation in enhancing optical systems. His extensive patent portfolio and collaborative efforts position him as a pivotal figure in the ongoing evolution of imaging solutions.

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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