Mito, Japan

Hideshi Yamagishi

This inventor holds 3 USPTO granted patents. Top assignees: Japan Atomic Energy Institute, Mitsubishi Denki Kabushiki Kaisha. Active years: 1980-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideshi Yamagishi. Retrieved from https://idiyas.com/inventor/hideshi-yamagishi

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 2

Forward Citations = 13(Granted Patents)


Location History:

  • Mito, JP (1980 - 1983)
  • Ibaraki, JP (1987)

Company Filing History:


Years Active: 1980-1987

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3 patents (USPTO):Explore Patents

Title: Hideshi Yamagishi: Innovator in Neutron Ionization Technology

Introduction

Hideshi Yamagishi is a notable inventor based in Mito, Japan. He has made significant contributions to the field of ionization technology, particularly in the development of neutron ionization chambers. With a total of 3 patents to his name, Yamagishi's work has advanced the understanding and application of neutron detection.

Latest Patents

Yamagishi's latest patents include innovative designs that enhance the functionality of ionization chambers. One of his notable inventions is the "Gamma ray compensation-type neutron ionization chamber." This device features a neutron-sensing ionization chamber portion with an electrode surface coated with a material specifically designed for sensing neutrons. It also includes a gamma ray-sensing ionization chamber portion that has a lower neutron sensitivity compared to the neutron-sensing material. This design allows for the subtraction of ionization currents in the gamma ray-sensing chamber from those in the neutron-sensing chamber, improving accuracy in neutron detection.

Another significant patent is the "Ionization chamber having coaxially arranged cylindrical electrodes." This invention comprises multiple cylindrical electrodes that are arranged coaxially within a casing. The design allows for axial shifting of the edges of the electrodes while preventing radial movement, minimizing relative deviation during high-temperature use or severe thermal cycles.

Career Highlights

Throughout his career, Hideshi Yamagishi has worked with esteemed organizations such as the Japan Atomic Energy Research Institute and Mitsubishi Electric Corporation. His experience in these institutions has contributed to his expertise in neutron detection technologies.

Collaborations

Yamagishi has collaborated with notable colleagues, including Naoaki Wakayama and Toshimasa Tomoda. Their joint efforts have furthered advancements in the field of ionization technology.

Conclusion

Hideshi Yamagishi's contributions to neutron ionization technology through his innovative patents and collaborations highlight his importance in the field. His work continues to influence advancements in neutron detection and ionization chamber design.

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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