Tokyo, Japan

Yoshitsugu Yamamoto

This inventor holds 28 USPTO granted patents and 2 published patent applications, primarily in Semiconductor Devices. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Mitsubishi Electric Corporation, Other. Active years: 1997-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshitsugu Yamamoto. Retrieved from https://idiyas.com/inventor/yoshitsugu-yamamoto

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

Calculating rank
USPTO Granted Patents = 28 

% Patents Active = 78.6

Average Co-Inventor Count = 2.8

ph-index = 7

Forward Citations = 392(Granted Patents)


Location History:

  • Itami, JP (1997)
  • Tokyo, JP (1997 - 2020)

Company Filing History:


Years Active: 1997-2020

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Areas of Expertise:
High Electron Mobility Transistor
Semiconductor Device
Field Effect Transistor
RF Characteristics
Moisture Resistance
Surface Carrier Recombination
Microwave Integrated Circuit
Crystalline Semiconductor Substrate
Heterojunction Bipolar Transistor
Optical Measuring Method
MBE Apparatus
Two-Dimensional Electron Gas
28 patents (USPTO):Explore Patents

Title: Yoshitsugu Yamamoto: Pioneering Innovations in Semiconductor Technology

Introduction: Yoshitsugu Yamamoto, a renowned inventor based in Tokyo, Japan, is a true visionary in the field of inventions, with a relentless pursuit of innovation and a passion for creating a better world through technology. With 28 patents to his name, Yamamoto is a trailblazer whose impact continues to inspire future generations of inventors worldwide.

Latest Patents: Yamamoto's latest patents showcase his expertise in semiconductor technology. One of his innovations includes a groundbreaking semiconductor device designed to effectively manage heat generation. By incorporating a reflection film that deflects medium-wavelength infrared rays, this device can efficiently control temperature increases, even with the presence of mold resin.

Method for manufacturing semiconductor devices is another patent credited to Yamamoto. This method involves the precise formation of sealing windows and support structures on a SOI substrate, enhancing the production process of semiconductor elements on substrates with intricate details.

Career Highlights: Throughout his career, Yamamoto has contributed significantly to leading companies in the electronics industry. He has been associated with Mitsubishi Electric Corporation, where he has played a pivotal role in driving innovation and technological advancements in semiconductor devices.

Collaborations: Collaborating with talented individuals is integral to Yamamoto's success. Notable coworkers such as Norio Hayafuji and Hideo Takeuchi have worked alongside Yamamoto, contributing their expertise to collectively push the boundaries of semiconductor technology.

Conclusion: Yoshitsugu Yamamoto's dedication to innovation and his groundbreaking inventions in semiconductor technology establish him as a pioneering force in the industry. His relentless pursuit of excellence and commitment to creating a positive impact through technology highlight Yamamoto as a true visionary whose legacy will continue to inspire innovators worldwide.

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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