Tokyo, Japan

Hiroyuki Koizumi

This inventor holds 11 USPTO granted patents and 1 EPO patent. Top assignees: Canon Kabushiki Kaisha, Hitachi Device Engineering Co., Ltd., Hitachi, Ltd.. Active years: 1991-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Koizumi. Retrieved from https://idiyas.com/inventor/hiroyuki-koizumi

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 = 2.5

ph-index = 7

Forward Citations = 152(Granted Patents)


Company Filing History:


Years Active: 1991-2025

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11 patents (USPTO):Explore Patents

Title: Hiroyuki Koizumi: Innovator in High-Frequency Power Transmission and Rocket Technology

Introduction

Hiroyuki Koizumi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of high-frequency power transmission and rocket technology. With a total of 11 patents to his name, Koizumi's work reflects his innovative spirit and technical expertise.

Latest Patents

Among his latest patents, Koizumi has developed a DC block and a plasma generator. The DC block features a configuration where two high-frequency power transmission antennas are formed on microstrip lines, facing each other with an insulating sheet in between. This design allows for the efficient transmission of high-frequency power while effectively cutting off high-voltage direct-current power. Additionally, his rocket engine patent includes a combustion chamber and a rocket nozzle, with a metal wire supply device that uses water vapor as an oxidant. This innovative approach enhances the efficiency of rocket propulsion.

Career Highlights

Throughout his career, Koizumi has worked with notable companies, including Canon Kabushiki Kaisha. His experience in these organizations has contributed to his development of cutting-edge technologies and patents.

Collaborations

Koizumi has collaborated with esteemed colleagues such as Shinji Wakisawa and Naruhiko Kasai. Their joint efforts have further advanced the innovations in their respective fields.

Conclusion

Hiroyuki Koizumi's contributions to technology through his patents and collaborations highlight his role as a leading inventor in Japan. His work continues to influence advancements in high-frequency power transmission and rocket 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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