Hitachi, Japan

Motoaki Utamura

This inventor holds 38 USPTO granted patents, primarily in Gas Turbine Technology. Top assignees: Hitachi, Ltd., Hitachi Engineering Co., Ltd.. Active years: 1979-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Motoaki Utamura. Retrieved from https://idiyas.com/inventor/motoaki-utamura

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


% Patents Active = 84.2

Average Co-Inventor Count = 2.2

ph-index = 16

Forward Citations = 1,135(Granted Patents)


Location History:

  • Kitaibaraki, JP (1979 - 1988)
  • Ibaraki, JP (1998 - 2001)
  • Hitachi, JP (1991 - 2008)

Company Filing History:


Years Active: 1979-2008

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Areas of Expertise:
Gas Turbine
Combined Cycle Plant
Water Injection
Exhaust Gas Recirculation
Power Generation
Cooling Systems
Nuclear Power
Lifetime Diagnosis
Water Chemistry
Nuclear Reactor
Fuel Element Failure
38 patents (USPTO):Explore Patents

Title: The Innovations of Motoaki Utamura

Introduction

Motoaki Utamura is a distinguished inventor based in Hitachi, Japan, holding an impressive portfolio of 38 patents. His work focuses primarily on advancements in gas turbine technology, which plays a critical role in enhancing energy efficiency and power output in various industrial applications.

Latest Patents

One of Utamura's latest innovations involves a gas turbine, combined cycle plant, and compressor designed to achieve both increased power output and improved thermal efficiency. This patented technology utilizes a liquid droplet injection device to introduce liquid droplets into the inlet air of a compressor. This innovative approach allows for the lowering of the air temperature entering the compressor, facilitating effective evaporation of the droplets as they flow through the unit. The gas turbine system includes key components such as a compressor for gas intake, a combustor that combusts fuel with the compressed gas, and a turbine driven by the resultant combusted gas.

Career Highlights

Utamura has made significant contributions during his tenure at Hitachi, Ltd. and Hitachi Engineering Co., Ltd. His innovative designs and engineering solutions have propelled advancements in gas turbine technology, positioning him as a leader in his field. His unique approach to problem-solving and inventive spirit have resulted in numerous patents that continue to influence the sector.

Collaborations

Throughout his career, Utamura has collaborated with esteemed colleagues, including Takaaki Kuwahara and Tetsuo Sasada. These partnerships have fostered a creative exchange of ideas and contributed to the successful development of innovative technologies.

Conclusion

Motoaki Utamura's extensive body of work and his dedication to innovation make him a noteworthy figure in the realm of gas turbine technology. With 38 patents to his name, his continued contributions are expected to enhance energy efficiency across multiple industries and inspire future advancements in engineering and 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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