Kanagawa, Japan

Tetsuro Yamamoto

This inventor holds 202 USPTO granted patents and 30 published patent applications and 6 EPO patents, primarily in Display Technology (CPC class G09G3-3233). Top assignees: Sony Corporation, Joled Inc., Canon Kabushiki Kaisha. Active years: 2007-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuro Yamamoto. Retrieved from https://idiyas.com/inventor/tetsuro-yamamoto

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

Calculating rank
USPTO Granted Patents = 202 

% Patents Active = 65.3

 

Average Co-Inventor Count = 2.3

ph-index = 12

Forward Citations = 756(Granted Patents)

Forward Citations (Not Self Cited) = 633(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Tokyo, JP (2017 - 2023)
  • Kanagawa, JP (2007 - 2024)

Company Filing History:


Years Active: 2007-2026

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Areas of Expertise:
Display Device
Light Emitting Device
Pixel Circuit
Electroluminescent Display
Driving Method
Active-Matrix Display
Transistor Circuit
Photoelectric Conversion
Electronic Apparatus
Display Panel
Flexible Substrate
Photodetector Circuit
202 patents (USPTO):Explore Patents

Title: Tetsuro Yamamoto: A Prolific Inventor in Display Technology

Introduction:

Meet Tetsuro Yamamoto, an innovative mind hailing from Kanagawa, Japan, who has made significant contributions in the field of display technology. With an impressive total of 192 patents to his name, Yamamoto has demonstrated his exceptional expertise in developing pixel circuit driving methods, pixel circuits, and display devices. Let's explore his latest patents, career highlights, notable collaborations, and the impact of his work in the realm of display technology.

Latest Patents:

Yamamoto's recent patents showcase his emphasis on pixel circuit driving methods, pixel circuits, and display devices. One notable innovation is the pixel circuit driving method, which involves a drive transistor, write transistor, and organic EL element. This method ensures the reliable supply of current and efficient light emission from the pixel circuit, offering improved display quality in devices such as televisions and smartphones.

Another significant development is Yamamoto's pixel circuit and display device. This invention features a well-optimized pixel circuit configuration comprising a light-emitting element, driver transistor for current adjustment, and a write transistor. By fine-tuning the potential applied to the counter electrode during different operational periods, Yamamoto has enhanced the overall efficiency and performance of the display device.

Career Highlights:

Throughout his career, Tetsuro Yamamoto has played an influential role in renowned companies such as Sony Corporation and JOLED Inc. At Sony Corporation, he made notable contributions to their display technology division, focusing on advanced pixel circuitry and efficient light emission mechanisms. Later, he joined JOLED Inc., an innovative display panel manufacturer, where he continued his groundbreaking work in display technology.

Collaborations:

Yamamoto has had the privilege of collaborating with esteemed colleagues, including Katsuhide Uchino and Junichi Yamashita. Together, they formed a formidable team, pooling their expertise and pushing the boundaries of display technology. Yamamoto's collaborations have undoubtedly fueled his creativity and facilitated the realization of groundbreaking inventions.

Conclusion:

Tetsuro Yamamoto's extensive portfolio of patents and his involvement in prominent companies like Sony Corporation and JOLED Inc. demonstrate his immense influence in the domain of display technology. His recent inventions in pixel circuit driving methods, pixel circuits, and display devices highlight his commitment to enhancing visual experiences. As consumers continue to demand increasingly sophisticated displays, Yamamoto's contributions will undoubtedly shape the future of the industry.

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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