Kamakura, Japan

Yoshihiro Katagishi

This inventor holds 3 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1992-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiro Katagishi. Retrieved from https://idiyas.com/inventor/yoshihiro-katagishi

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 = 4.5

ph-index = 3

Forward Citations = 43(Granted Patents)


Location History:

  • Kamakura, JP (1992)
  • Kanagawa, JP (1994)

Company Filing History:


Years Active: 1992-1994

Loading Chart...
3 patents (USPTO):Explore Patents

Title: Innovations of Yoshihiro Katagishi

Introduction

Yoshihiro Katagishi is a notable inventor based in Kamakura, Japan. He has made significant contributions to the field of cryogenic refrigeration technology. With a total of 3 patents to his name, his work has advanced the efficiency and functionality of refrigeration systems.

Latest Patents

One of his latest patents is titled "Piston/displacer support means for a cryogenic refrigerator." This invention involves a cryogenic refrigerator that includes a compressor with a housing, a cylinder, and a piston that reciprocates within the cylinder. It also features a cold finger with a low-temperature cylinder where a displacer is reciprocable, along with a regenerator mounted within the displacer. The design incorporates flat piston suspension springs with spiral slits, allowing for deflection as the piston moves.

Another significant patent is simply titled "Cryogenic refrigerator." This invention consists of two coaxially arranged cylinders, movable coils, and pistons that can reciprocate when an alternating current is applied. The system is designed to create a compression space and includes a cold cylinder with a displacer that separates the cold and hot spaces. This innovative design enhances the efficiency of cryogenic refrigeration systems.

Career Highlights

Yoshihiro Katagishi is currently associated with Mitsubishi Electric Corporation, where he continues to innovate in the field of refrigeration technology. His work has been instrumental in developing advanced cryogenic systems that are used in various applications.

Collaborations

Throughout his career, Katagishi has collaborated with notable colleagues such as Nobuo Fujii and Hiroyuki Kiyota. These collaborations have contributed to the advancement of technology in their respective fields.

Conclusion

Yoshihiro Katagishi's contributions to cryogenic refrigeration technology through his patents and collaborations highlight his role as a significant inventor in this specialized field. His innovative designs continue to influence the efficiency of refrigeration systems today.

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]
Loading…