Minoru Okumura

This inventor holds 4 USPTO granted patents. Top assignees: Nippon Telegraph and Telephone Corporation, Nitsuko Corporation. Active years: 1987-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Minoru Okumura. Retrieved from https://idiyas.com/inventor/minoru-okumura

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 4.2

ph-index = 1

Forward Citations = 13(Granted Patents)

Company Filing History:

4 out of 5,300

Nippon Telegraph and Telephone Corporation

where one patent can have more than one assignee

Years Active: 1987-1990

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4935957 - Key telephone system (1990-06-19),

2. 4831516 - Data transmission system between a main CPU board having a wait signal (1989-05-16),

3. 4660219 - Extension ringing arrangement key telephone system (1987-04-21),

4. 4641337 - Key telephone system with means for operatively connecting another key (1987-02-03),

Title: Minoru Okumura: Innovator in Telecommunications

Introduction

Minoru Okumura is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of telecommunications, holding a total of four patents. His work has focused on improving data transmission systems and enhancing communication efficiency.

Latest Patents

One of Okumura's latest patents is a key telephone system that features an oscillation preventing circuit. This circuit includes a termination impedance element and a switching element that connects between the ground and another circuit, which contains an impedance compensating circuit. The switching element activates upon detecting oscillation in the impedance compensating circuit, effectively suppressing such oscillation to maintain favorable transmission efficiency. Another significant patent is a data transmission system designed for communication between a main CPU and multiple sub-CPUs. This system simplifies the transmission process by utilizing a data bus and a CPU select line, which reduces installation space and wiring labor.

Career Highlights

Throughout his career, Minoru Okumura has worked with prominent companies in the telecommunications sector, including Nitsuko Corporation and Nippon Telegraph and Telephone Corporation. His experience in these organizations has allowed him to develop innovative solutions that address complex communication challenges.

Collaborations

Okumura has collaborated with notable colleagues such as Yoshiji Tanimoto and Kinzi Tanaka. Their combined expertise has contributed to advancements in telecommunications technology.

Conclusion

Minoru Okumura's contributions to telecommunications through his patents and collaborations highlight his role as an influential inventor in the industry. His innovative solutions continue to impact the efficiency of communication systems today.

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]