Tokyo, Japan

Hiroshi Kumakura

This inventor holds 2 USPTO granted patents. Top assignees: Nec Corporation, Kokusai Denshin Denwa Co., Ltd.. Active years: 1998-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Kumakura. Retrieved from https://idiyas.com/inventor/hiroshi-kumakura

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 = 1.7

ph-index = 1


Company Filing History:


Years Active: 1998-2001

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2 patents (USPTO):Explore Patents

Title: Innovations by Hiroshi Kumakura: A Pioneer in Communication Technology

Introduction

Hiroshi Kumakura, an esteemed inventor based in Tokyo, Japan, is recognized for his significant contributions to communication technology. With a total of two patents, Kumakura has demonstrated innovative thinking and technical expertise that address critical issues in telecommunication systems.

Latest Patents

One of Kumakura's latest inventions is the **Trunk Line Exchange System**. This revolutionary system effectively manages busy hour calls by redistributing communication lines from quieter regions to busier areas, thus ensuring efficient utilization of resources and minimizing congestion. Another notable patent is his **Automatic Facsimile Signal Analyzing Apparatus for a Telephone Exchange**. This sophisticated apparatus includes components such as a switch unit, service trunk, and signal identification trunk. It operates by analyzing facsimile control signals to optimize communication state information and facilitate seamless facsimile interactions, improving overall efficiency in telephone exchanges.

Career Highlights

Throughout his career, Kumakura has collaborated with prominent companies in the tech industry, including NEC Corporation and Kokusai Denshin Denwa Co., Ltd. His work in these firms has not only enhanced their product offerings but has also paved the way for advancements in communication systems.

Collaborations

Kumakura has worked alongside distinguished colleagues such as Takashi Itani and Ken-ichi Nishimura. Their collaborations have enriched the development process of various innovative solutions, emphasizing the importance of teamwork in the field of invention.

Conclusion

Hiroshi Kumakura's contributions to the field of communication technology are characterized by a commitment to innovation and problem-solving. His patents not only highlight his ingenuity but also reflect the ongoing evolution of communication systems. As technologies advance, the impact of inventors like Kumakura continues to shape the future of telecommunications.

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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