Osaka, Japan

Hirohumi Ishizaki

This inventor holds 2 USPTO granted patents. Top assignees: Matsushita Electric Works, Ltd., Other. Active years: 1987-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirohumi Ishizaki. Retrieved from https://idiyas.com/inventor/hirohumi-ishizaki

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 = 8.5

ph-index = 2

Forward Citations = 28(Granted Patents)


Location History:

  • Osaka, JP (1987)
  • Kadoma, JP (1989)

Company Filing History:

goldMedal2 out of 1,623 
 
Matsushita Electric Works, Ltd.
 patents
silverMedal1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1987-1989

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2 patents (USPTO):Explore Patents

Title: Hirohumi Ishizaki: Innovator in Antenna Technology

Introduction

Hirohumi Ishizaki is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of antenna technology, holding a total of 2 patents. His work focuses on enhancing the performance and efficiency of antennas, which are crucial components in various communication systems.

Latest Patents

Ishizaki's latest patents include a "Plane Antenna Assembly" and a "Planar Microwave Antenna Having High Antenna Gain." The Plane Antenna Assembly comprises a plurality of antenna bases and a signal composing means, including amplifiers connected to the output part of each antenna base. This design allows for a composite antenna output with an excellent signal-to-noise ratio. The Planar Microwave Antenna features multiple pairs of antenna elements connected to a power supply circuit, effectively utilizing signal energy at the terminating ends of the antenna elements to improve radiation energy and minimize power loss, resulting in high antenna gain and improved aperture efficiency.

Career Highlights

Throughout his career, Ishizaki has worked with prominent companies, including Matsushita Electric Works, Ltd. His experience in these organizations has contributed to his expertise in antenna technology and innovation.

Collaborations

Ishizaki has collaborated with notable coworkers such as Toshio Abiko and Minoru Kanda. Their combined efforts have likely fostered advancements in their respective fields.

Conclusion

Hirohumi Ishizaki's contributions to antenna technology through his innovative patents demonstrate his commitment to enhancing communication systems. His work continues to influence the industry and inspire future innovations.

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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