Nagoya, Japan

Tsutomu Itahana

This inventor holds 2 USPTO granted patents. Top assignee: Mitsubishi Jukogyo Kabushiki Kaisha. Active years: 1989-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Itahana. Retrieved from https://idiyas.com/inventor/tsutomu-itahana

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 = 4.2

ph-index = 1

Forward Citations = 46(Granted Patents)


Location History:

  • Nagoya City, JP (1989)
  • Nagoya, JP (1990)

Company Filing History:


Years Active: 1989-1990

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2 patents (USPTO):Explore Patents

Title: Tsutomu Itahana: Innovator in Fluid Compressor Technology

Introduction

Tsutomu Itahana is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of fluid compressor technology, holding a total of 2 patents. His work focuses on improving the efficiency and functionality of compressors, which are essential in various industrial applications.

Latest Patents

Itahana's latest patents include a "Capacity Control Valve for a Compressor" and a "Capacity Control Device of Scroll-Type Fluid Compressor." The first patent addresses an improvement in a capacity control valve designed for fluid compressors operating under varying pressure conditions. This innovation allows for better management of refrigerant flow and thermal load, enhancing the operational characteristics of the compressor. The second patent introduces a capacity control device that regulates the amount of fluid bypassed from a compression chamber to a suction chamber. This device ensures that the suction pressure remains constant, allowing for more efficient compressor operation and effective frost control.

Career Highlights

Tsutomu Itahana is associated with Mitsubishi Jukogyo Kabushiki Kaisha, a leading company in the manufacturing sector. His work at Mitsubishi has been instrumental in advancing compressor technology, contributing to the company's reputation for innovation and quality.

Collaborations

Throughout his career, Itahana has collaborated with esteemed colleagues such as Tetsuo Ono and Tamio Sugimoto. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Tsutomu Itahana's contributions to fluid compressor technology exemplify the impact of innovative thinking in engineering. His patents reflect a commitment to enhancing efficiency and performance in industrial applications. His work continues to influence the field and inspire future innovations.

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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