Osaka, Japan

Takeyoshi Masuda

This inventor holds 118 USPTO granted patents and 53 published patent applications and 22 EPO patents, primarily in Silicon Carbide Semiconductors (CPC class H01L29-1608). Top assignees: Sumitomo Electric Industries, Limited, Mitsumi Electric, Ltd., Nara Institute of Science and Technology. Active years: 2004-2026.

USPTO Granted Patents = 118 

% Patents Active = 67.8

 

Average Co-Inventor Count = 2.2

ph-index = 6

Forward Citations = 278(Granted Patents)

Forward Citations (Not Self Cited) = 248(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Yokohama, JP (2004 - 2006)
  • Osaka-shi, JP (2015)
  • Tsukuba, JP (2020)
  • Osaka, JP (2010 - 2024)

Company Filing History:


Years Active: 2004-2026

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Areas of Expertise:
Silicon Carbide
Semiconductor Device
Trench Gate
Substrate Manufacturing
Wide Band Gap
Epitaxial Layer
Protective Carbon Layer
Depression Suppression Layer
Dopant Activation
Device Manufacturing
Methodology
Silicon Removal
118 patents (USPTO):Explore Patents

Sure, here is the article about inventor Takeyoshi Masuda:

Title: The Innovative Mind of Takeyoshi Masuda

Introduction:

Takeyoshi Masuda, a prolific inventor based in Osaka, Japan, has made significant contributions to the field of semiconductor devices with a remarkable 113 patents under his name. His groundbreaking work in silicon carbide semiconductor devices has revolutionized the industry and positioned him as a leading figure in technological advancements.

Latest Patents:

Masuda's latest patents include innovations such as the "Silicon carbide semiconductor device" and the "Method of manufacturing silicon carbide semiconductor device." These patents highlight his expertise in creating efficient and high-performance semiconductor devices using silicon carbide substrates with intricate impurity regions and superjunction portions.

Career Highlights:

Throughout his career, Masuda has worked with prominent companies such as Sumitomo Electric Industries, Limited, where he honed his skills and developed cutting-edge technologies. Additionally, his affiliation with the National University Corporation Nara Institute of Science and Technology has further amplified his impact in the realm of semiconductor research and development.

Collaborations:

Masuda has collaborated with esteemed individuals in the industry, including his coworkers Keiji Wada and Toru Hiyoshi. Together, they have synergized their talents and expertise to push the boundaries of innovation and drive progress in semiconductor technology.

Conclusion:

Takeyoshi Masuda's remarkable ingenuity and relentless pursuit of excellence have solidified his position as a trailblazer in the field of semiconductor devices. His pioneering work continues to inspire future generations of inventors and researchers, shaping the landscape of technological advancements for years to come.

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