Hitachinaka, Japan

Yoshiharu Hayashi

This inventor holds 30 USPTO granted patents and 4 published patent applications and 3 EPO patents, primarily in Oxyfuel Combustion Technology. Top assignees: Hitachi, Ltd., Mitsubishi Pharma Corporation, Mitsubishi Electric Corporation. Active years: 1987-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiharu Hayashi. Retrieved from https://idiyas.com/inventor/yoshiharu-hayashi

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

USPTO Granted Patents = 30 

% Patents Active = 66.7

 

Average Co-Inventor Count = 3.3

ph-index = 8

Forward Citations = 372(Granted Patents)


Location History:

  • Osaka, JP (1987)
  • Hitachi, JP (2004 - 2006)
  • Chiyoda-ku, JP (2007 - 2011)
  • Hitachinaka, JP (2005 - 2013)
  • Tokyo, JP (2006 - 2013)

Company Filing History:


Years Active: 1987-2013

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Areas of Expertise:
Oxyfuel Combustion
Power Plant Control
Boiler Diagnostics
Dynamoelectric Machine
Gas Turbine Analysis
Heat Recovery
Medicinal Use
Document Management
30 patents (USPTO):Explore Patents

Title: Innovator Yoshiharu Hayashi: Pioneering Oxyfuel Combustion Technologies

Introduction: Yoshiharu Hayashi, an esteemed inventor based in Hitachinaka, Japan, holds an impressive portfolio of 29 patents. His groundbreaking work primarily focuses on oxyfuel combustion technologies, contributing significantly to the advancement of energy efficiency and carbon capture methods in industrial applications.

Latest Patents: Among his latest innovations is the Oxyfuel Combustion Boiler Plant. This sophisticated system includes an air separation unit for oxygen production, a boiler designed for burning oxygen alongside pulverized coal, and a comprehensive exhaust gas recirculation system. Notably, it features a carbon dioxide capture unit, which effectively captures CO₂ from the combustion exhaust gas. Another significant patent is the operating method for an oxyfuel combustion boiler plant that utilizes both a first and a second boiler, enabling the injection of gas with a higher concentration of oxygen and carbon dioxide than air, thereby enhancing the steam generation process.

Career Highlights: Yoshiharu Hayashi has made notable contributions through his employment at industry leaders such as Hitachi, Ltd. and Mitsubishi Pharma Corporation. His innovative approaches have positioned him as a forward-thinking professional, pushing the boundaries of traditional combustion technologies.

Collaborations: Throughout his career, Hayashi has collaborated with esteemed colleagues, including Hidekazu Fujimura and Masao Furukawa. These partnerships have fostered a creative environment, allowing for the exchange of ideas and the acceleration of cutting-edge advancements in the field.

Conclusion: Yoshiharu Hayashi stands as a leading figure in the realm of oxyfuel combustion technologies. His dedication to innovation and sustainability continues to inspire future generations of inventors and researchers. With an impressive array of patents and influential collaborations, he is undoubtedly shaping the future of energy efficiency and environmental sustainability.

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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