Tokyo, Japan

Koji Yasukawa

This inventor holds 9 USPTO granted patents and 3 published patent applications. Top assignees: Japan Display Inc., Kokusai Denshin Denwa Kabushiki Kaisha. Active years: 1989-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Yasukawa. Retrieved from https://idiyas.com/inventor/koji-yasukawa

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

Calculating rank
USPTO Granted Patents = 9 

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 2

Forward Citations = 11(Granted Patents)


Location History:

  • Tokyo, JP (1989 - 2020)
  • Minato-ku, JP (2018 - 2020)

Company Filing History:


Years Active: 1989-2020

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9 patents (USPTO):Explore Patents

Title: Koji Yasukawa: Innovator in Display Technology

Introduction

Koji Yasukawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of display technology, holding a total of 9 patents. His innovative designs and methods have advanced the capabilities of display devices, making them more efficient and effective.

Latest Patents

Yasukawa's latest patents include a display device that features first to third light-emitting elements. Each of these elements consists of a first electrode, a hole-transporting layer, an emission layer, a hole-blocking layer, an electron-transporting layer, and a second electrode. Notably, the emission wavelength of the second light-emitting element is longer than that of the first and shorter than that of the third. Additionally, he has developed a method of manufacturing a display device that includes an underlying structure layer, multiple lower electrodes, an organic layer, and an upper electrode, among other components.

Career Highlights

Throughout his career, Yasukawa has worked with notable companies such as Japan Display Inc. and Kokusai Denshin Denwa Kabushiki Kaisha. His work has been instrumental in pushing the boundaries of display technology, leading to advancements that benefit various industries.

Collaborations

Yasukawa has collaborated with esteemed colleagues, including Takayasu Shiokawa and Yoshio Karasawa. These partnerships have fostered innovation and creativity in his projects, contributing to the success of his inventions.

Conclusion

Koji Yasukawa's contributions to display technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence the development of advanced display devices, showcasing the importance of innovation in technology.

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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