Oamishirasato, Japan

Yoshiaki Nakayoshi

This inventor holds 128 USPTO granted patents and 1 published patent application and 2 EPO patents, primarily in Liquid Crystal Displays (CPC class G02F1-136286). Top assignees: Hitachi, Ltd., Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.. Active years: 1997-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiaki Nakayoshi. Retrieved from https://idiyas.com/inventor/yoshiaki-nakayoshi

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

USPTO Granted Patents = 128 

% Patents Active = 56.3

 

Average Co-Inventor Count = 3.4

ph-index = 33

Forward Citations = 2,705(Granted Patents)

Forward Citations (Not Self Cited) = 2,584(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Ooami, JP (2003 - 2007)
  • Tokyo, JP (2004 - 2008)
  • Oomishirasato, JP (2010)
  • Oamishirasato, JP (2004 - 2012)
  • Mobara, JP (1997 - 2013)
  • Ooaishirasato, JP (2017)
  • Ooamishirasato, JP (2003 - 2020)

Company Filing History:


Years Active: 1997-2020

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Areas of Expertise:
Liquid Crystal Display
Display Device
Manufacturing Method
Thin Film Transistors
Electrode Design
Pixel Electrode
Gate Lines
Signal Wiring
Channel Width
Channel Length
Step Coverage
128 patents (USPTO):Explore Patents

Title: Yoshiaki Nakayoshi: Innovating the Future of Liquid Crystal Display Devices

Introduction:

Yoshiaki Nakayoshi, a resident of Ooamishirasato, Japan, is a seasoned inventor who has made remarkable contributions to the field of liquid crystal display (LCD) technology. With 128 patents to his name, Nakayoshi has played a pivotal role in revolutionizing the optical transmissivity and manufacturing techniques of LCD devices. This article delves into his latest patents, career highlights, collaborations, and the impact he has made in the industry.

Latest Patents:

Nakayoshi's expertise in LCD devices is evident in his latest patent, "Liquid Crystal Display Device," which addresses the issue of light leaks near spacers. This invention controls the optical transmissivity of a liquid crystal layer by generating an electric field in the layer-thickness direction. By placing spacers on one substrate and signal lines on the other, Nakayoshi ingeniously tackles the challenge of minimizing light leaks. This patent showcases his commitment to improving the performance and visual quality of LCD devices.

Career Highlights:

Throughout his career, Nakayoshi has made significant contributions to the field of LCD technology. He has worked with renowned companies such as Hitachi Co., Ltd and Hitachi Displays, Ltd. Nakayoshi's vast experience in these organizations has provided him with an excellent platform to drive innovation and pursue his passion for LCD technology.

Collaborations:

Collaboration plays a vital role in fostering innovation, and Nakayoshi is no stranger to this fact. He has worked alongside accomplished individuals like Kikuo Ono and Kazuhiko Yanagawa to develop groundbreaking LCD devices. These collaborations have not only enriched Nakayoshi's knowledge but have also led to the generation of valuable ideas and patents.

Conclusion:

Yoshiaki Nakayoshi has made remarkable contributions to the field of liquid crystal display devices, with 128 patents to his credit. His latest patent addressing light leaks near spacers in LCD devices showcases his ingenuity and dedication to improving visual quality. With a remarkable career spanning companies like Hitachi Co., Ltd and Hitachi Displays, Ltd, Nakayoshi has established himself as a respected innovator in the industry. Through collaborations with accomplished colleagues, he has further strengthened his expertise in LCD technology. Yoshiaki Nakayoshi's relentless pursuit of excellence continues to shape the future of LCD devices, thereby enriching our everyday visual experience.

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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