Kawasaki, Japan

Masashi Katayama

This inventor holds 2 USPTO granted patents. Top assignee: Fujitsu General Limited. Active years: 2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masashi Katayama. Retrieved from https://idiyas.com/inventor/masashi-katayama-nq6fdr1e

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


% Patents Active = 50.0

Average Co-Inventor Count = 11.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 2001

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2 patents (USPTO):Explore Patents

Title: Masashi Katayama: Innovator in Air Conditioning Technology

Introduction

Masashi Katayama is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of air conditioning technology, holding 2 patents that showcase his innovative approach to improving efficiency and functionality in air conditioning systems.

Latest Patents

Katayama's latest patents focus on advancements in air conditioning systems. One of his patents describes an air conditioner that features a refrigerant circuit with a compressor, a four-way switching valve, an outdoor-side heat exchanger, an expansion valve, and an indoor-side heat exchanger connected via pipes. This design includes an enclosed vessel within the compressor that is divided into a refrigerant discharge chamber and an electric motor chamber. The system allows for the compressor to be utilized as either an internal high-pressure type or an internal low-pressure type, enhancing its versatility and efficiency.

Career Highlights

Masashi Katayama is currently associated with Fujitsu General Limited, a company known for its innovative solutions in air conditioning and other technologies. His work has contributed to the company's reputation for quality and efficiency in climate control systems.

Collaborations

Throughout his career, Katayama has collaborated with talented individuals such as Makoto Araki and Masaki Fujino. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Masashi Katayama's contributions to air conditioning technology reflect his dedication to innovation and efficiency. His patents demonstrate a commitment to improving the functionality of air conditioning systems, making a lasting impact in the industry.

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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