Kariya, Japan

Hiromi Kitayama

This inventor holds 5 USPTO granted patents. Top assignee: Kabushiki Kaisha Toyoda Jidoshokki Seisakusho. Active years: 1994-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiromi Kitayama. Retrieved from https://idiyas.com/inventor/hiromi-kitayama

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 = 3.9

ph-index = 4

Forward Citations = 37(Granted Patents)


Company Filing History:


Years Active: 1994-1995

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5 patents (USPTO):Explore Patents

Title: Hiromi Kitayama: Innovator in Refrigeration Technology

Introduction

Hiromi Kitayama is a prominent inventor based in Kariya, Japan. She has made significant contributions to the field of refrigeration technology, holding a total of 5 patents. Her innovative designs focus on enhancing the efficiency and functionality of refrigerant compressors.

Latest Patents

One of her latest patents is a reciprocating-piston-type refrigerant compressor with a rotary-type mechanism. This invention features a cylinder block with multiple cylinder bores, allowing pistons to reciprocate for the suction, compression, and discharge of refrigerant gas. The design includes a gas receiving chamber and a gas discharge chamber, along with a rotary valve element that facilitates fluid communication between the chambers. Another notable patent is an axial multi-piston compressor equipped with a rotary suction valve. This compressor consists of two cylinder blocks that define a suction chamber, with double-headed pistons that execute suction and compression strokes alternately. The rotary valve in this design introduces fluid into the bores, optimizing the compressor's performance.

Career Highlights

Hiromi Kitayama works at Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, a company known for its advancements in automotive and industrial machinery. Her work has been instrumental in developing innovative solutions that improve refrigeration systems.

Collaborations

Throughout her career, Kitayama has collaborated with notable colleagues, including Toshiro Fujii and Koichi Ito. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Hiromi Kitayama's contributions to refrigeration technology exemplify her innovative spirit and dedication to engineering excellence. Her patents reflect a commitment to improving efficiency in refrigerant compressors, making her a key figure in her field.

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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