Yokohama, Japan

Eiji Minamitani

This inventor holds 3 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 1979-1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiji Minamitani. Retrieved from https://idiyas.com/inventor/eiji-minamitani

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 = 2.6

ph-index = 2

Forward Citations = 17(Granted Patents)


Company Filing History:


Years Active: 1979-1983

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3 patents (USPTO):Explore Patents

Title: Eiji Minamitani: Innovator in Digital Audio Signal Control Systems

Introduction

Eiji Minamitani is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of digital audio signal control systems. With a total of 3 patents to his name, Minamitani's work has had a lasting impact on telecommunications technology.

Latest Patents

One of Minamitani's latest patents is a digital audio signal control system for a time-division switching system. This invention features a digital pad switch that is inserted in each highway of a time-division speech network. The digital pad switch is designed to send out a selected converted input signal under the control of a common control unit. This allows for efficient management of speech paths within the network. Another significant patent is a time division electronic switching system that includes a central processing unit, a multi-frequency signal receiver unit, and a signal processor. This system effectively detects dial information and manages speech path memory.

Career Highlights

Eiji Minamitani is currently employed at Fujitsu Corporation, where he continues to innovate in the field of telecommunications. His work has been instrumental in advancing digital audio technologies.

Collaborations

Minamitani has collaborated with notable coworkers such as Hiroshi Ishikawa and Takuhito Kojima. Their combined expertise has contributed to the success of various projects within the company.

Conclusion

Eiji Minamitani's contributions to digital audio signal control systems exemplify his innovative spirit and dedication to advancing technology. His patents reflect a deep understanding of telecommunications, making him a key figure 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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