Tokyo, Japan

Shigeo Tominaga

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Mitsubishi Electric Corporation. Active years: 1998-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeo Tominaga. Retrieved from https://idiyas.com/inventor/shigeo-tominaga

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 = 1.6

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1998-2014

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2 patents (USPTO):Explore Patents

Title: Shigeo Tominaga: Innovator in Optical Transmission Systems

Introduction

Shigeo Tominaga is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical transmission systems, holding a total of 2 patents. His work focuses on enhancing the reliability and efficiency of optical communication technologies.

Latest Patents

Tominaga's latest patents include a "Wavelength Multiplexing Optical Transmission System" and a "System for Testing a Fault Detecting Means." The wavelength multiplexing optical transmission system is designed to perform selection switching control on optical switches to ensure uninterrupted transmission of wavelength-multiplexed light signals, even in the event of failures. The system for testing a fault detecting means allows for the generation of test signals to monitor the operational status of transmission paths, ensuring that any faults are promptly identified and addressed.

Career Highlights

Throughout his career, Tominaga has worked with notable companies such as Mitsubishi Denki Kabushiki Kaisha and Mitsubishi Electric Corporation. His experience in these organizations has contributed to his expertise in optical technologies and systems.

Collaborations

Tominaga has collaborated with esteemed colleagues, including Kazuo Kenmoku and Yukio Hirano. These partnerships have fostered innovation and advancements in their respective fields.

Conclusion

Shigeo Tominaga's contributions to optical transmission systems demonstrate his commitment to innovation and technology. His patents reflect a deep understanding of the challenges in optical communications and provide solutions that enhance system reliability.

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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