Sakai, Japan

Masanori Ohara

This inventor holds 45 USPTO granted patents, primarily in Organic Electroluminescence. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 2003-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanori Ohara. Retrieved from https://idiyas.com/inventor/masanori-ohara

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


% Patents Active = 95.6

Average Co-Inventor Count = 3.5

ph-index = 5

Forward Citations = 126(Granted Patents)


Location History:

  • Tenri, JP (2003)
  • Osaka, JP (2013 - 2020)
  • Sakai, JP (2017 - 2020)

Company Filing History:


Years Active: 2003-2020

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Areas of Expertise:
Organic EL Display
Light Emitting Element
Display Device
Pixel Circuit
Illumination Device
Manufacturing Method
Driving Method
Thermally Activated Fluorescent Material
Micro-Cavity Structure
Transmissive Area
Output Control Circuits
Color Display Device
45 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Masanori Ohara in Organic EL Display Technology

Introduction: Masanori Ohara, a prolific inventor based in Sakai, Japan, has made significant strides in the field of organic electroluminescence (EL) display technology. With 45 patents to his name, his innovations focus on improving display resolution, reducing power consumption, and minimizing manufacturing costs, fundamentally transforming the landscape of display devices.

Latest Patents: Ohara's latest patents showcase his expertise in developing advanced organic EL display devices. One of his notable patents describes an organic EL display device that achieves higher resolution and suppressed power consumption while eliminating color mixing and shifting between adjacent subpixels. This innovative design incorporates first and second separation layers in the B and G subpixels, respectively, facilitating a clear and distinct color output.

Another of his recent inventions focuses on an organic electroluminescence device that features multiple unit regions, each containing a light emitting area and a transmissive area. This device utilizes a base material with a recessed portion that houses a reflective layer and a filling layer with optical transparency, enhancing the efficiency and performance of the display.

Career Highlights: Ohara's career is exemplified by his impactful work at Sharp Kabushiki Kaisha Corporation, where he continues to develop cutting-edge display technologies. His remarkable contributions have positioned him as a key figure in the evolution of organic EL technology, leading to significant advancements in display applications.

Collaborations: Throughout his career, Ohara has collaborated with prominent colleagues, including Noritaka Kishi and Noboru Noguchi. These partnerships have fostered innovative ideas and solutions, enriching the development of organic EL displays and enhancing their commercial viability.

Conclusion: Masanori Ohara’s innovative work in organic EL display technology demonstrates a deep commitment to advancing the field. With his numerous patents and collaborative efforts, he has not only contributed to the success of Sharp Kabushiki Kaisha Corporation but has also helped shape the future of display technology. His inventions continue to push the boundaries of what is possible, promising a bright future for organic electroluminescence applications.

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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