Sakai, Japan

Kazuyoshi Yoshiyama

This inventor holds 18 USPTO granted patents and 7 published patent applications and 1 EPO patent, primarily in Display Technology. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 2014-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuyoshi Yoshiyama. Retrieved from https://idiyas.com/inventor/kazuyoshi-yoshiyama

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

USPTO Granted Patents = 18 

% Patents Active = 72.2

 

Average Co-Inventor Count = 5.4

ph-index = 4

Forward Citations = 198(Granted Patents)


Location History:

  • Osaka, JP (2014 - 2017)
  • Sakai, JP (2017 - 2020)

Company Filing History:


Years Active: 2014-2020

Loading Chart...
Loading Chart...
Areas of Expertise:
Display Device
Driving Method
Video Processing
Transmitting Device
Control Program
Image Processing
Multi-Primary Color
Television Receiver
Video Signal Conversion
Recording Medium
Image Display
Display Control
18 patents (USPTO):Explore Patents

Title: Kazuyoshi Yoshiyama: Innovator in Display Technology

Introduction

Kazuyoshi Yoshiyama is a prominent inventor based in Sakai, Japan, known for his significant contributions to display technology. With a total of 18 patents to his name, he has made remarkable advancements in the field of organic EL display devices.

Latest Patents

Yoshiyama's latest patents include a groundbreaking display device and its driving method. This organic EL display device features a pixel circuit drive unit that drives pixel circuits while measuring the properties of circuit elements. It incorporates a parameter table to store values derived from monitoring data, allowing for the correction of image data based on these parameters. Additionally, it includes a temperature sensor that adjusts the execution frequency of the property measuring process according to the sensed temperature. Another notable patent focuses on a video display device that prevents significant changes in brightness when content is switched. This device calculates video features related to the display video and ensures that the luminance of the subsequent mute video corresponds to the first display video's characteristics.

Career Highlights

Kazuyoshi Yoshiyama has had a distinguished career at Sharp Corporation, where he has been instrumental in developing innovative display technologies. His work has not only advanced the capabilities of display devices but has also enhanced the viewer's experience.

Collaborations

Throughout his career, Yoshiyama has collaborated with notable colleagues, including Hiroyuki Furukawa and Shinji Nakagawa. These collaborations have contributed to the successful development of various technologies in the display sector.

Conclusion

Kazuyoshi Yoshiyama's contributions to display technology through his patents and collaborations have significantly impacted the industry. His innovative spirit continues to drive advancements in the field, making him a key figure in the evolution of display devices.

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]
Loading…