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For the Inventor, By the Inventor

Hitachi, Japan

Yoshiharu Nagae

This inventor holds 58 USPTO granted patents, primarily in Liquid Crystal Displays (CPC class 3503). Top assignees: Hitachi, Ltd., Hitachi Displays, Ltd., Hitachi Process Computer Engineering, Inc.. Active years: 1977-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiharu Nagae. Retrieved from https://idiyas.com/inventor/yoshiharu-nagae

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

USPTO Granted Patents = 58

% Patents Active = 87.9

Average Co-Inventor Count = 4.5

ph-index = 21

Forward Citations = 1,422(Granted Patents)

Forward Citations (Not Self Cited) = 1,403(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hitachi, JA (1977)
  • Chiba, JP (2001)
  • Hitachi, JP (1979 - 2014)

Company Filing History:

goldMedal50 out of 42,726 
 
Hitachi, Ltd.
 patents
silverMedal3 out of 1,207 
 
Hitachi Displays, Ltd.
 patents
bronzeMedal3 out of 23 
 
Hitachi Process Computer Engineering, Inc.
 patents
4. 2 out of 14 
 
Hitachi Haramachi Semi-Conductor, Ltd.
 patents
5. 2 out of 1,238 
 
Panasonic Liquid Crystal Display Co., Ltd.
 patents
6. 1 out of 5,792 
 
Japan Display Inc.
 patents
7. 1 out of 1 
 
Panasonid Liquid Crystal Co., Ltd.
 patent
8. 4 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1977-2014

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Areas of Expertise:
Active-Matrix
Liquid Crystal Display
Organic Electroluminescence
Projection Type Display
Image Projection
Color Filter
Light Valve
Microcapsules
Ink Jet Printer
Driving Method
Reflective Display
Gray Scale
58 patents (USPTO):Explore Patents
1. 8749731 - Liquid crystal display device (2014-06-10),
2. 8582041 - Liquid crystal display device having a lens array being arranged the extending direction of the longitudinal axis of the lens (2013-11-12),
3. 8456591 - Liquid crystal display device (2013-06-04),
4. 7679691 - Display device (2010-03-16),
5. 7615260 - Active-matrix liquid crystal display (2009-11-10),
6. 6936409 - Organic-electroluminescence device, process for its production and organic-electroluminescence display system (2005-08-30),
7. 6879358 - LCD and projection type display using same (2005-04-12),
8. 6849128 - Organic EL display and production device of color filter cross reference to related application (2005-02-01),
9. 6814887 - Organic-electroluminescence device, process for its production and organic-electroluminescence display system (2004-11-09),
10. 6776844 - Organic EL display and production device of color filter (2004-08-17),
11. 6756089 - Active-matrix liquid crystal display (2004-06-29),
12. 6753834 - Display device and driving method thereof (2004-06-22),
13. 6696181 - Organic-electroluminescence device, process for its production and organic-electroluminescence display system (2004-02-24),
14. 6693691 - LCD and projection type display using same (2004-02-17),
15. 6686976 - Liquid crystal light valve and projection type display using same (2004-02-03),

Title: The Innovative Journey of Yoshiharu Nagae

Introduction: Yoshiharu Nagae is a pioneering inventor hailing from Hitachi, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Nagae's recent patents showcase his expertise in developing cutting-edge solutions for various industries, including electronics, robotics, and renewable energy.

Career Highlights: With a career spanning over two decades, Nagae has held key positions in research and development departments of leading tech companies, where he spearheaded projects that have revolutionized the way we interact with technology on a daily basis.

Collaborations: Throughout his career, Nagae has collaborated with top researchers, engineers, and scientists from around the world, fostering a culture of innovation and knowledge-sharing that has led to numerous breakthrough inventions.

Conclusion: Yoshiharu Nagae's relentless pursuit of innovation and his passion for pushing the boundaries of technology have solidified his reputation as a visionary inventor in the global tech community.

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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