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For the Inventor, By the Inventor

Fujisawa, Japan

Kunio Hiyama

This inventor holds 8 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1981-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kunio Hiyama. Retrieved from https://idiyas.com/inventor/kunio-hiyama-z4vsllvp

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

Calculating rank
USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 8

Forward Citations = 263(Granted Patents)


Location History:

  • Sagamihara, JP (1981)
  • Fujisawa, JP (1985 - 1993)

Company Filing History:

goldMedal8 out of 42,752 
 
Hitachi, Ltd.
 patents

Years Active: 1981-1993

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8 patents (USPTO):Explore Patents
1. 5247518 - High-speed ring lan system (1993-09-21),
2. 5241543 - Independent clocking local area network and nodes used for the same (1993-08-31),
3. 5220562 - Bridge apparatus and a communication system between networks using the (1993-06-15),
4. 5103447 - High-speed ring LAN system (1992-04-07),
5. 4855995 - Method and system for data transmission (1989-08-08),
6. 4792944 - Time-division multiplexing communication system for performing a (1988-12-20),
7. 4506111 - Text mailing system using a telephone line (1985-03-19),
8. 4295122 - Bus priority control method in loop bus network system (1981-10-13),

Title: Inventor Kunio Hiyama

Introduction: Kunio Hiyama is a renowned inventor hailing from Fujisawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kunio Hiyama holds several patents in various technological domains, showcasing his continuous dedication to advancing the industry.

Career Highlights: Throughout his illustrious career, Kunio Hiyama has been instrumental in developing cutting-edge solutions that have revolutionized the way we interact with technology on a daily basis.

Collaborations: Kunio Hiyama has collaborated with leading research institutions, universities, and companies worldwide, fostering a culture of innovation and knowledge sharing.

Conclusion: Kunio Hiyama's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazer in the world of 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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