Tokyo, Japan

Akio Yotsutani

This inventor holds 17 USPTO granted patents, plus 2 CIPO patents, primarily in Radio Communication Systems. Top assignees: Nec Corporation, Kabushiki Kaisha Toshiba, Nippon Telegraph and Telephone Corporation. Active years: 1980-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akio Yotsutani. Retrieved from https://idiyas.com/inventor/akio-yotsutani

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

Calculating rank

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.9

ph-index = 13

Forward Citations = 530(Granted Patents)


Company Filing History:


Years Active: 1980-1993

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Areas of Expertise:
Cordless Key Telephone
Radio Telephone System
Communication Control
Digital Paging
Selective Call Receiver
Mobile Radio Communication
Call Signal Transmission
Control Method
Synchronization
Telephone Apparatus
17 patents (USPTO):Explore Patents

Title: Akio Yotsutani: Innovator in Cordless Telephone Technology

Introduction

Akio Yotsutani is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of telecommunications, particularly in the development of cordless telephone systems. With a total of 17 patents to his name, Yotsutani has demonstrated a commitment to innovation and technological advancement.

Latest Patents

One of Yotsutani's latest patents is a cordless key telephone system capable of quickly answering incoming calls. This system features access units located in groups that correspond to service areas for broadcasting radio signals. The main controller selects an access unit in response to incoming calls and sends alert signals to standby cordless stations. The system efficiently manages call assignments and ensures seamless communication. Another notable patent is a radio telephone system control method that establishes a speech channel between slave radio sets and a base unit. This method allows for the control of multiple radio telephone sets through a single base unit, enhancing the functionality of wired telephone channels.

Career Highlights

Throughout his career, Akio Yotsutani has worked with notable companies such as NEC Corporation and Toshiba Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the telecommunications sector.

Collaborations

Yotsutani has collaborated with esteemed colleagues, including Kazuhiro Yoshizawa and Noboru Saegusa. These partnerships have fostered an environment of innovation and creativity, leading to the development of advanced telecommunications solutions.

Conclusion

Akio Yotsutani's contributions to cordless telephone technology have significantly impacted the telecommunications industry. His innovative patents and collaborations with leading companies and professionals highlight his dedication to advancing communication technology.

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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