Kanagawa, Japan

Hideaki Kuwabara

This inventor holds 284 USPTO granted patents and 13 published patent applications and 7 EPO patents, primarily in Semiconductor Devices (CPC class H01L27-1225). Top assignee: Semiconductor Energy Laboratory Co., Ltd.. Active years: 2001-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideaki Kuwabara. Retrieved from https://idiyas.com/inventor/hideaki-kuwabara

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

USPTO Granted Patents = 284 

% Patents Active = 51.4

 

Average Co-Inventor Count = 2.9

ph-index = 38

Forward Citations = 5,402(Granted Patents)

Forward Citations (Not Self Cited) = 4,880(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Kangawa, JP (2007)
  • Atsugi, JP (2004 - 2021)
  • Kanagawa, JP (2001 - 2024)
  • Isehara, JP (2006 - 2024)

Company Filing History:


Years Active: 2001-2026

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Areas of Expertise:
Semiconductor Device
Manufacturing Method
Display Device
Liquid Crystal Display
Transistor
Data Processing Device
Touchscreen
Flexible Input
Electronic Device
Separation Apparatus
Oxide Semiconductor
284 patents (USPTO):Explore Patents

Title: Hideaki Kuwabara: Pioneering Innovations in Semiconductor Devices

Introduction:

Hideaki Kuwabara, a proficient inventor and engineer, hails from Kanagawa, Japan. With a remarkable portfolio of 265 patents, Kuwabara has been a driving force behind numerous advancements in semiconductor device technologies. Throughout his career, he has worked closely with renowned colleagues such as Shunpei Yamazaki and Junichiro Sakata. Let's delve into Kuwabara's latest patents, career highlights, and collaborations that have shaped the semiconductor industry.

Latest Patents:

Among his recent patents, Kuwabara has made substantial contributions to the manufacturing methods and structures of semiconductor devices. His patent titled "Semiconductor Device and Manufacturing Method Thereof" addresses the challenges arising from the miniaturization of pixel regions, which can lead to defects during the evaporation process. Kuwabara proposes the formation of a partition with varying thicknesses over the pixel electrode to mitigate these issues, using advanced techniques like diffraction grating patterns and semi-transmissive films.

Another noteworthy patent by Kuwabara is titled "Semiconductor Device Including Transistor." This invention aims to reduce parasitic capacitance between wirings in semiconductor devices. By introducing an oxide insulating layer covering a peripheral portion of the oxide semiconductor layer, Kuwabara effectively increases the distance between the gate electrode layer and the wiring layer, resulting in a notable reduction in parasitic capacitance.

Career Highlights:

Hideaki Kuwabara's professional journey has been closely intertwined with the Semiconductor Energy Laboratory Co., Ltd. (SEL). SEL, an esteemed technology research organization, has been at the forefront of semiconductor innovation. Kuwabara's extensive knowledge and expertise have made him an invaluable member of the SEL team, contributing significantly to the development of cutting-edge semiconductor devices.

Collaborations:

Within the industry, Kuwabara has closely collaborated with notable inventors and scientists, including Shunpei Yamazaki and Junichiro Sakata. These collaborations have fostered an environment of knowledge-sharing and inspired groundbreaking advancements in semiconductor technology. Together, they have propelled the field forward, addressing crucial challenges and driving innovation.

Conclusion:

Hideaki Kuwabara's remarkable journey as an inventive mind has left an indelible mark on the semiconductor industry. With an impressive collection of 265 patents to his name, his groundbreaking contributions in the field of semiconductor devices continue to impact technological progress. His latest patents further demonstrate his profound understanding of manufacturing methods and structures, addressing critical challenges related to miniaturization and reducing parasitic capacitance. Collaborations with esteemed coworkers, such as Shunpei Yamazaki and Junichiro Sakata, have undoubtedly shaped the landscape of semiconductor innovation. As the industry continues to advance, Kuwabara's influence remains invaluable, inspiring future generations of inventors and engineers.

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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