Tokyo, Japan

Masao Kikuchi

This inventor holds 39 USPTO granted patents and 4 published patent applications and 1 EPO patent, primarily in Semiconductor Devices. Top assignees: Mitsubishi Electric Corporation, Ube Industries, Inc., Mitsubishi Denki Kabushiki Kaisha. Active years: 1987-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Kikuchi. Retrieved from https://idiyas.com/inventor/masao-kikuchi

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

USPTO Granted Patents = 39 

% Patents Active = 76.9


Average Co-Inventor Count = 3.1

ph-index = 9

Forward Citations = 243(Granted Patents)


Location History:

  • Kanagawa-ken, JP (1998)
  • Ichihara, JP (1987 - 2005)
  • Futtsu, JP (2002 - 2007)
  • Chiyoda-ku, JP (2009 - 2014)
  • Tokyo, JP (1994 - 2021)

Company Filing History:


Years Active: 1987-2025

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Areas of Expertise:
Semiconductor Device
Power Converter
Manufacturing Method
Thermal Properties
Electrical Rotating Machine
Cooling Body
Power Semiconductor Module
Hollow-Fiber Element
Corrosion Resistance
Gas Flow Rate
Fiber Reinforced Plastic
Vapor Drier
39 patents (USPTO):Explore Patents

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Title: The Innovative Work of Masao Kikuchi: Pioneering Semiconductor Technologies.

Introduction: Masao Kikuchi, a prolific inventor based in Tokyo, Japan, has made significant contributions to the field of semiconductor devices with an impressive portfolio of 38 patents.

Latest Patents: Kikuchi's recent patents include a semiconductor device featuring an insulating substrate with an external terminal, a power converter, and methods for manufacturing both these devices with a focus on enhancing performance and efficiency.

Career Highlights: With a career spanning prestigious companies like Mitsubishi Electric Corporation and Ube Industries, Inc., Masao Kikuchi has honed his expertise in semiconductor technology, demonstrating a deep understanding of manufacturing processes and innovation in the industry.

Collaborations: Throughout his career, Kikuchi has collaborated with esteemed colleagues such as Hitoshi Isoda and Yoshihito Asao, pooling their collective knowledge and skills to push the boundaries of semiconductor technology.

Conclusion: Masao Kikuchi's groundbreaking work in semiconductor devices and power converters exemplifies his commitment to innovation and his invaluable contributions to the industry. His dedication to advancing technology underscores his status as a trailblazer in the field of semiconductor engineering.

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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