Tokyo, Japan

Shohei Yamaguchi

This inventor holds 23 USPTO granted patents and 9 published patent applications and 4 EPO patents, primarily in Optical Communication. Top assignees: Nec Corporation, Hirose Electric Company, Ltd., Mitsubishi Gas Chemical Company, Inc.. Active years: 1999-2025.

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

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

USPTO Granted Patents = 23 

% Patents Active = 87.0

 

Average Co-Inventor Count = 1.2

ph-index = 5

Forward Citations = 51(Granted Patents)


Location History:

  • Toyko, JP (2001)
  • Kanagawa, JP (2023)
  • Tokyo, JP (1999 - 2024)

Company Filing History:


Years Active: 1999-2025

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Areas of Expertise:
Optical Transmission Device
Raman Amplification Repeater
Branching System
Optical Repeater
Electrical Connector
Grounding Circuit
Resin Composition
Optical Control Apparatus
Polarization Scrambler
Wavelength Stability Circuit
Printed Wiring Board
Feed Line Branching Apparatus
23 patents (USPTO):Explore Patents

Title: The Innovative Mind of Shohei Yamaguchi

Introduction

Shohei Yamaguchi is a prominent inventor based in Tokyo, Japan, renowned for his significant contributions to the field of communication systems and optical transmission technologies. With a remarkable portfolio of 22 patents, Yamaguchi stands out as a key player in advancing innovative solutions that enhance connectivity and efficiency in electronic communication.

Latest Patents

Among Yamaguchi's latest patents is a groundbreaking communication system designed to remotely check the switching results of a power supply route. This invention comprises a plurality of terminal stations that supply power to a power supply path, a branching device for switching the power route, and a monitoring device that compares voltages before and after a switching signal is transmitted. The system ensures that power supply fluctuations are evaluated accurately, allowing for an informed determination of power route switching.

Additionally, he has developed an innovative optical transmission device and method that generates a response signal even when lacking a main signal photoelectric conversion or amplification function. This device utilizes an extraction unit to output control information from an optical signal, a control unit to execute relevant commands, and a response signal output unit that provides a response signal in a distinct wavelength band from the main signal.

Career Highlights

Yamaguchi's career includes significant stints at notable companies like NEC Corporation and Hirose Electric Company, Ltd. His work in these organizations has showcased his proficiency in developing advanced technologies that address contemporary challenges in communication and signal processing.

Collaborations

Throughout his career, Yamaguchi has collaborated with esteemed colleagues such as Katsuya Tomizawa and Hiroshi Sakuyama. These partnerships have enabled him to leverage diverse expertise, fostering an environment of innovation that has led to the development of cutting-edge technologies.

Conclusion

In summary, Shohei Yamaguchi exemplifies the essence of innovation in the fields of communication and optical transmission. With 22 patents to his name and a robust career marked by strategic partnerships and collaborations, Yamaguchi continues to shape the future of technology, pushing the boundaries of what is possible in the realm of electronic communications. His contributions are a testament to the impact that dedicated inventors can have on advancing technological frontiers.

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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