Takasago, Japan

Kazuharu Hirokawa

This inventor holds 25 USPTO granted patents and 2 published patent applications and 2 EPO patents, primarily in Gas Turbine Technology. Top assignees: Mitsubishi Heavy Industries Limited, Mitsubishi Hitachi Power Systems, Ltd.. Active years: 1999-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuharu Hirokawa. Retrieved from https://idiyas.com/inventor/kazuharu-hirokawa

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

USPTO Granted Patents = 25 

% Patents Active = 88.0

 

Average Co-Inventor Count = 3.5

ph-index = 9

Forward Citations = 152(Granted Patents)


Location History:

  • Hyogo-ken, JP (2001 - 2006)
  • Hyogo, JP (2006 - 2012)
  • Takasago, JP (1999 - 2014)
  • Tokyo, JP (2014 - 2016)

Company Filing History:


Years Active: 1999-2025

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Areas of Expertise:
Blade Ring Assembly
Gas Turbine
Sealing Device
Rotor Structure
Journal Bearing
Cooling Steam Supply
Combined Cycle Power Plant
Steam Cooling
Variable Vane Drive
Fluid Machine
High Differential Pressure Seal
Bolt Manufacturing
25 patents (USPTO):Explore Patents

Title: Kazuharu Hirokawa: Pioneering Inventor from Takasago

Introduction: Kazuharu Hirokawa is a renowned inventor hailing from Takasago, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hirokawa's latest patents include advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to creating a more efficient and sustainable future.

Career Highlights: With a career spanning over two decades, Hirokawa has worked with leading tech companies and research institutions, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Hirokawa has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Kazuharu Hirokawa's relentless pursuit of innovation and his passion for pushing the boundaries of what is possible make him a true visionary in the world of technology and invention.

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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