Takasago, Japan

Akio Hiraki

This inventor holds 1 USPTO granted patent. Top assignee: Director-General Seiichi Ishizaka of the Agency of Industrial Science. Active years: 1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akio Hiraki. Retrieved from https://idiyas.com/inventor/akio-hiraki-keih39e3

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1981

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1 patent (USPTO):Explore Patents

Title: Innovator Akio Hiraki: Pioneering Coal Liquefaction

Introduction: Akio Hiraki is a notable inventor based in Takadago, Japan, recognized for his contributions to the field of coal liquefaction. With a patent to his name, he has made significant strides in developing methods that enhance the efficiency of converting coal into liquid fuels.

Latest Patents: Hiraki holds a patent for a "Method for Effecting Coal-Liquefying Reaction." This innovative method involves liquefying coal through a slurry mixture with a solvent made from organic heavy fractions. By applying heat and mixing the slurry-based reactants with light aliphatic compounds, Hiraki has discovered a way to utilize latent and sensible heats to lower the reactant temperature. This breakthrough allows for better control of both the coal-liquefying reaction and the thermal polycondensation reaction of the organic heavy fraction.

Career Highlights: Akio Hiraki serves as the Director-General under Seiichi Ishizaka at the Agency of Industrial Science. His role allows him to leverage his technical expertise and lead advancements in industrial applications of coal liquefaction technology.

Collaborations: Throughout his career, Hiraki has worked alongside esteemed colleagues, including Tsugitoshi Ogura and Hikokusu Kajimoto. Their collaborative efforts have contributed to the depth of research and innovation in the field of coal liquefaction.

Conclusion: Akio Hiraki's work in developing a method for coal liquefaction exemplifies innovation in energy resource management. His contributions not only signify advancements in the industry but also pave the way for further research and collaboration in the field. As the energy landscape continues to evolve, Hiraki's patented method remains a significant milestone in the pursuit of efficient energy solutions.

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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