Kawasaki, Japan

Tetunobu Watanabe

This inventor holds 1 USPTO granted patent. Top assignees: Nippon Telegraph and Telephone Corporation, Nitsuko Corporation. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetunobu Watanabe. Retrieved from https://idiyas.com/inventor/tetunobu-watanabe

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 = 4.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1987

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1 patent (USPTO):Explore Patents

Title: The Innovations of Tetunobu Watanabe

Introduction

Tetunobu Watanabe is a notable inventor based in Kawasaki, Japan. He is recognized for his contributions to telecommunications, particularly in the development of key telephone systems. His innovative work has led to the creation of a patent that enhances communication efficiency.

Latest Patents

Watanabe holds a patent for a key telephone system with means for operatively connecting another key telephone system. This system comprises a main equipment and multiple key telephones connected to it. The design includes elements that allow for the connection of another similar key telephone system, facilitating seamless communication between different systems. The main equipment features a system call transmitting interface and a system call receiving interface, which are interconnected to another similar system. Each key telephone is equipped with an additional key that enables users to select the appropriate system call transmitting interface. This innovation allows for the establishment of a speech path between key telephones across different systems, enhancing operational efficiency.

Career Highlights

Throughout his career, Watanabe has worked with prominent companies in the telecommunications sector. He has been associated with Nitsuko Corporation and Nippon Telegraph and Telephone Corporation, where he contributed to various projects that advanced communication technologies. His expertise in the field has made him a valuable asset to these organizations.

Collaborations

Watanabe has collaborated with notable colleagues, including Jouji Tanaka and Yoshiji Tanimoto. Their combined efforts have led to significant advancements in telecommunications, showcasing the importance of teamwork in innovation.

Conclusion

Tetunobu Watanabe's contributions to the field of telecommunications through his innovative key telephone system patent exemplify the impact of inventors on modern communication. His work continues to influence the industry, demonstrating the importance of innovation in enhancing connectivity.

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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