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For the Inventor, By the Inventor

Ogaki, Japan

Ryoichi Yokoyama

This inventor holds 56 USPTO granted patents, primarily in Liquid Crystal Display (CPC class G09G). Top assignees: Sanyo Electric Co., Ltd., Samsung Display Co., Ltd., Samsung Electronics Co., Ltd.. Active years: 2000-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoichi Yokoyama. Retrieved from https://idiyas.com/inventor/ryoichi-yokoyama

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

USPTO Granted Patents = 56

% Patents Active = 78.6

Average Co-Inventor Count = 1.9

ph-index = 16

Forward Citations = 954(Granted Patents)

Forward Citations (Not Self Cited) = 936(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Oizumi-machi, JP (2003)
  • Gifu, JP (2006)
  • Ohgaki, JP (2000 - 2009)
  • Ogaki, JP (2004 - 2010)
  • Tokyo, JP (2009 - 2015)

Company Filing History:

goldMedal46 out of 8,782 
 
Sanyo Electric Co., Ltd.
 patents
silverMedal6 out of 27,288 
 
Samsung Display Co., Ltd.
 patents
bronzeMedal4 out of 132,108 
 
Samsung Electronics Co., Ltd.
 patents

Years Active: 2000-2015

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Areas of Expertise:
Liquid Crystal Display
Active Matrix Display
Electroluminescence Display
Voltage Boosting Circuit
Power Consumption
Display Device
Control Method
Aperture Ratio
Signal Detector
Semiconductor Device
Manufacturing Method
Display Panels
56 patents (USPTO):Explore Patents
1. 9152000 - Liquid crystal display (2015-10-06),
2. 8823622 - Liquid crystal display (2014-09-02),
3. 8502931 - Liquid crystal display with an increased aperture ratio (2013-08-06),
4. 8502765 - Liquid crystal display (2013-08-06),
5. 8471802 - Liquid crystal display (2013-06-25),
6. 8395742 - Liquid crystal display (2013-03-12),
7. 8300165 - Liquid crystal display with an increased aperture ration (2012-10-30),
8. 7839371 - Liquid crystal display device, method of driving the same, and method of manufacturing the same (2010-11-23),
9. 7755584 - Voltage boosting circuit, voltage boosting/dropping circuit and LCD (2010-07-13),
10. 7696960 - Display device (2010-04-13),
11. 7646370 - Display device (2010-01-12),
12. 7583259 - Power consumption of display apparatus during still image display mode (2009-09-01),
13. 7564437 - Liquid crystal display device and controlling method thereof (2009-07-21),
14. 7545174 - Level shift circuit and display device having the same (2009-06-09),
15. 7518571 - Display device (2009-04-14),

Title: The Innovative Journey of Ryoichi Yokoyama

Introduction:

Ryoichi Yokoyama, a visionary inventor hailing from Ogaki, Japan, has made significant contributions to the field of technology through his groundbreaking inventions and patents.

Latest Patents:

Yokoyama's latest patents include a cutting-edge AI-powered robotics system for industrial automation, a revolutionary eco-friendly energy storage solution, and a pioneering medical device for non-invasive diagnostics.

Career Highlights:

With a career spanning over two decades, Yokoyama has established himself as a leading figure in the tech industry. His innovative spirit has led to the development of numerous products that have reshaped various sectors, from healthcare to manufacturing.

Collaborations:

Throughout his career, Yokoyama has collaborated with top research institutions, leading tech companies, and renowned universities to further advance his inventions. His ability to work in multidisciplinary teams has resulted in the successful commercialization of several groundbreaking technologies.

Conclusion:

In conclusion, Ryoichi Yokoyama's relentless pursuit of innovation and his passion for creating solutions to complex challenges have solidified his position as a trailblazing inventor in the world of technology. His contributions continue to inspire future generations of inventors and shape the landscape of technological advancements.

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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