Kanagawa, Japan

Naoya Morozumi

This inventor holds 33 USPTO granted patents and 5 published patent applications and 15 EPO patents, primarily in Rotary Compressors. Top assignees: Fujitsu General Limited, Kabushiki Kaisha Toshiba. Active years: 1989-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoya Morozumi. Retrieved from https://idiyas.com/inventor/naoya-morozumi

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

Calculating rank
USPTO Granted Patents = 33 

% Patents Active = 75.8

 

Average Co-Inventor Count = 2.2

ph-index = 7

Forward Citations = 212(Granted Patents)


Location History:

  • Yokohama, JP (1989)
  • Machida, JP (1991)
  • Tokyo, JP (1992)
  • Kawasaki, JP (2002 - 2018)
  • Kanagawa, JP (1994 - 2024)

Company Filing History:


Years Active: 1989-2025

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Areas of Expertise:
Hermetic Compressor
Rotary Compressor
Lubrication
Two-Stage Design
Pressure Loss
Scroll Compressor
Oiling Mechanism
Gas Circulation
Thrust Loss Compensation
Balance Weight
Injection Pipe
Suction Pipes
33 patents (USPTO):Explore Patents

Title: Naoya Morozumi: Innovator in Compressed Energy Solutions

Introduction: Naoya Morozumi, a prominent inventor based in Kanagawa, Japan, has made significant contributions to the field of compressor technology. With a remarkable portfolio of 32 patents, his innovations play a crucial role in enhancing the efficiency and functionality of hermetic compressors in industrial applications.

Latest Patents: Among Morozumi's latest inventions is a sophisticated hermetic compressor design. This patented compression unit features an upper compression unit suction tube connected to the upper suction hole of an upper cylinder and a lower compression unit suction tube linked to the lower suction hole of a lower cylinder. The design includes an accumulator shell that houses an accumulator vessel, with an accumulator suction tube and gas-liquid separation tubes, meticulously arranged and welded to the shell. Additionally, he has developed a compressor that incorporates a rotor applying rotational power to the compressor unit. This innovation consists of a rotor core with multiple through-holes for refrigerant passage, enhancing the efficiency of the compressor's functionality.

Career Highlights: Naoya Morozumi has had an impressive career, working with notable companies such as Fujitsu General Limited and Toshiba Corporation. His experience in these leading firms has provided him with a solid foundation to develop pioneering technologies in the realm of compressors.

Collaborations: Throughout his career, Morozumi has collaborated with distinguished professionals, including Kenshi Ueda and Hirotsugu Sakata. Their combined expertise in the field has propelled innovations, allowing for advancements in compressor technologies.

Conclusion: Naoya Morozumi’s contributions to the world of compressors through his innovative patents continue to influence the industry significantly. His work not only enhances efficiency but also stands as a testament to the power of inventive spirit in improving modern technology.

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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