Osaka, Japan

Hiroyuki Yamauchi

This inventor holds 91 USPTO granted patents, plus 3 CIPO patents, primarily in Semiconductor Technology (CPC class 365203). Top assignees: Matsushita Electric Industrial Co., Ltd., Kabushiki Kaisha Toshiba, Matsushta Electric Co., Ltd.. Active years: 1990-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Yamauchi. Retrieved from https://idiyas.com/inventor/hiroyuki-yamauchi

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


% Patents Active = 82.4


Average Co-Inventor Count = 1.4

ph-index = 18

Forward Citations = 1,207(Granted Patents)

Forward Citations (Not Self Cited) = 1,205(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hirakata, JP (1990)
  • Takatsuki, JP (1993 - 2006)
  • Osaka, JP (1991 - 2008)
  • Yokohama, JP (2018)

Company Filing History:


Years Active: 1990-2018

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Areas of Expertise:
Hydrogen Production
Radio Frequency Amplifier
Semiconductor Integrated Circuit
Mask ROM
Memory System
Clock Recovery Circuit
SRAM Device
Signal Transmitting Circuit
Data Transferring Device
Voltage Control Circuit
Bidirectional Signal Transmission
Constant-Current Output Circuit
91 patents (USPTO):Explore Patents

Sure, here is the article about inventor Hiroyuki Yamauchi:

Title: Innovator Spotlight: Hiroyuki Yamauchi from Osaka, Japan

Introduction: Meet the prolific inventor Hiroyuki Yamauchi, a visionary from Osaka, Japan, who has made significant contributions to the field of semiconductor technology. With an impressive portfolio of 89 patents to his name, Yamauchi continues to push the boundaries of innovation in the industry.

Latest Patents: Yamauchi's latest patents highlight his expertise in the development of advanced semiconductor integrated circuits. His groundbreaking work on a Radio Frequency Power Amplifier and a Semiconductor Integrated Circuit Device showcases his ingenuity in optimizing efficiency and temperature characteristics in RF power amplifiers and integrated circuit devices.

Career Highlights: Throughout his career, Hiroyuki Yamauchi has been associated with leading technology companies such as Matsushita Electric Industrial Co., Ltd. and Matsushita Electric Co., Ltd. His valuable contributions have played a pivotal role in advancing the technological landscape within these organizations, cementing his reputation as a trailblazer in the industry.

Collaborations: Yamauchi's collaborative spirit is evident in his partnerships with esteemed colleagues, including Toru Iwata and Hironori Akamatsu. Together, they have worked tirelessly to drive innovation, exchange ideas, and elevate the standards of technological advancements in the semiconductor sector.

Conclusion: In conclusion, Hiroyuki Yamauchi stands as a beacon of innovation and excellence in the realm of semiconductor technology. His remarkable achievements, coupled with his unwavering dedication to pioneering groundbreaking solutions, underscore his position as a visionary inventor shaping the future of the industry.

I hope you find this article insightful and informative!

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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