Tokyo, Japan

Hirotsugu Sakamoto

This inventor holds 25 USPTO granted patents and 3 published patent applications, primarily in Display Technology. Top assignees: Japan Display Inc., Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.. Active years: 2002-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotsugu Sakamoto. Retrieved from https://idiyas.com/inventor/hirotsugu-sakamoto

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

Calculating rank
USPTO Granted Patents = 25 

% Patents Active = 84.0

Average Co-Inventor Count = 3.3

ph-index = 4

Forward Citations = 49(Granted Patents)


Location History:

  • Chiba, JP (2002 - 2011)
  • Tokyo, JP (2015 - 2023)

Company Filing History:


Years Active: 2002-2024

Loading Chart...
Areas of Expertise:
OLED Display
Organic Electroluminescent
Display Device
Manufacturing Method
Color Cathode Ray Tube
Self-Emitting Display
High-Resolution Electron Gun
Moire-Reduced Display
25 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Hirotsugu Sakamoto

Introduction

Hirotsugu Sakamoto is a distinguished inventor based in Tokyo, Japan, renowned for his significant contributions to the field of display technologies. With an impressive portfolio of 25 patents, his innovations have greatly impacted the advancement of OLED display panels.

Latest Patents

Among Sakamoto's latest patents is a cutting-edge OLED display panel designed to mitigate shedding issues, even in high-definition contexts. His invention includes metal wiring that connects with an earth line of a flexible printed substrate. The display area, located at the center of the substrate, comprises numerous OLED elements. Additionally, four low-resistance metal films are strategically placed along the edges of the display area on an insulating film surface. One of these metal films serves as a conduit to the metal wiring through a designated contact point, enhancing the functionality and reliability of the display device.

Career Highlights

Hirotsugu Sakamoto has made remarkable strides during his career, primarily through his work with Japan Display Inc. His dedication to innovation in display technology has solidified his reputation as a leading inventor in the industry.

Collaborations

Throughout his professional journey, Sakamoto has collaborated with notable colleagues, including Takeshi Ookawara and Toshihiro Sato. These partnerships have facilitated the exchange of ideas and have contributed to his successful patent developments.

Conclusion

In conclusion, Hirotsugu Sakamoto stands out as a pivotal figure in the realm of display technologies, with his 25 patents marking significant advancements in OLED display panels. His innovative spirit and collaborations with esteemed professionals continue to drive progress in the industry, underscoring the importance of creativity and teamwork in the field of inventions.

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…