Hirakata, Japan

Shuichiroh Yamaguchi

This inventor holds 4 USPTO granted patents. Top assignee: Matsushita Electric Works, Ltd.. Active years: 1989-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shuichiroh Yamaguchi. Retrieved from https://idiyas.com/inventor/shuichiroh-yamaguchi

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 4

Forward Citations = 112(Granted Patents)


Location History:

  • Hirakata, JP (1989 - 1991)
  • Kadoma, JP (1989 - 1992)

Company Filing History:


Years Active: 1989-1992

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4 patents (USPTO):Explore Patents

Title: Innovations of Shuichiroh Yamaguchi

Introduction

Shuichiroh Yamaguchi is a notable inventor based in Hirakata, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His work focuses on enhancing the efficiency and functionality of semiconductor relay circuits.

Latest Patents

Yamaguchi's latest patents include a semiconductor relay circuit using photovoltaic diodes. This innovative circuit incorporates a MOS FET that receives a photovoltaic output generated across a photovoltaic diode array. The array responds to light signals from a light-emitting element, allowing for improved control of the circuit's output signals. Another notable patent is the optoelectronic relay circuit having a charging path formed by a switching transistor. This design enables faster turning-on and turning-off operations of the relay circuit while preventing reverse flow of the photocurrent.

Career Highlights

Shuichiroh Yamaguchi is currently employed at Matsushita Electric Works, Ltd. His work at this esteemed company has allowed him to develop and refine his innovative ideas in semiconductor technology. His contributions have been instrumental in advancing the capabilities of relay circuits.

Collaborations

Yamaguchi has collaborated with several talented individuals in his field, including Takeshi Matsumoto and Yukio Idaka. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Shuichiroh Yamaguchi's work in semiconductor technology exemplifies innovation and dedication. His patents reflect a commitment to enhancing the efficiency of electronic circuits, making significant strides in the industry.

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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