Sagamihara, Japan

Hiroki Ohara

This inventor holds 139 USPTO granted patents and 18 published patent applications and 7 EPO patents, primarily in Semiconductor Devices (CPC class H01L29-7869). Top assignees: Semiconductor Energy Laboratory Co., Ltd., Japan Display Inc., Semiconductor Energy Laboratory Co., Ltd.. Active years: 2006-2026.

USPTO Granted Patents = 139 

% Patents Active = 85.6

 

Average Co-Inventor Count = 2.7

ph-index = 24

Forward Citations = 1,801(Granted Patents)

Forward Citations (Not Self Cited) = 1,534(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Sagmamihara, JP (2013)
  • Isehara, JP (2015 - 2017)
  • Minato-ku, JP (2018 - 2020)
  • Kanagawa, JP (2006 - 2023)
  • Tokyo, JP (2007 - 2024)
  • Sagamihara, JP (2012 - 2024)

Company Filing History:


Years Active: 2006-2026

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Areas of Expertise:
Oxide Semiconductor
Display Device
Light-Emitting Element
Transistor
Nitride Insulating Layers
Manufacturing Method
Polymerization Initiator
Flexible Display
Electronic Device
Semiconductor Film
Curing Process
139 patents (USPTO):Explore Patents

Title: Hiroki Ohara: Pioneering Innovator in Display and Semiconductor Technologies

Introduction:

In the world of display devices and semiconductor technologies, Hiroki Ohara stands out as a prolific inventor with a strong passion for pushing the boundaries of innovation. Hailing from Sagamihara, Japan, Ohara has made significant contributions to the field with his extensive patent portfolio and groundbreaking ideas. This article will delve into his latest patents, career highlights, notable collaborations, and shed light on his remarkable journey in the industry.

Latest Patents:

Ohara's latest patents demonstrate his expertise in display device technologies. One notable patent is for a display device that incorporates an amount of polymerization initiator for curing the second organic insulating layer and the second organic insulating layer itself. This invention enhances the overall performance of display devices with improved durability and insulation properties, opening up new possibilities for the industry.

Another remarkable patent is his invention of a semiconductor device featuring a unique structure that effectively reduces parasitic capacitance between wirings. By incorporating an oxide insulating layer as a channel protective layer and controlling the distance between the gate electrode layer and the surrounding wiring layers, this innovation optimizes the performance of semiconductor devices, leading to higher efficiency and reliability.

Career Highlights:

Hiroki Ohara has spent a considerable portion of his career at well-respected companies in the industry. Notably, he honed his skills and expertise at the Semiconductor Energy Laboratory Co., Ltd. Known for their pioneering research, this company provided Ohara with an environment that nurtured his inventive spirit.

Ohara also contributed his talents to Japan Display Inc., a prominent player in the display technologies sector. Working alongside top-notch professionals, he played a vital role in shaping the future of displays through his innovative ideas and patented inventions.

Collaborations:

Throughout his journey, Hiroki Ohara had the opportunity to collaborate with esteemed colleagues who shared his passion for innovation. Notably, he worked with Shunpei Yamazaki, a renowned inventor in the field of semiconductor technologies. Together, they likely pushed the boundaries of what is possible and fostered a rich environment for creativity.

In addition, Ohara collaborated with Junichiro Sakata, another notable professional in the industry. With their combined expertise and shared vision, these collaborations undoubtedly yielded groundbreaking inventions and contributed to the advancement of display and semiconductor technologies.

Conclusion:

Hiroki Ohara's remarkable contributions to the display and semiconductor industries have earned him a respected place among innovators. His extensive patent portfolio, which includes inventions related to display device technologies and semiconductor devices, showcases his dedication to pushing the boundaries of possibility. Through his collaborations with esteemed colleagues and work at reputable companies, Ohara's impact on the field will continue to be felt in the years to come.

Profile summary based on public USPTO records.
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