Osaka, Japan

Eiji Kumakura

This inventor holds 52 USPTO granted patents and 39 published patent applications and 44 EPO patents, primarily in Refrigeration Technology. Top assignees: Daikin Industries, Ltd., The University of Tokyo. Active years: 2008-2026.

USPTO Granted Patents = 52 

% Patents Active = 84.6

 

Average Co-Inventor Count = 4.6

ph-index = 4

Forward Citations = 54(Granted Patents)

Forward Citations (Not Self Cited) = 45(Dec 10, 2025)


Location History:

  • Kusatsu, JP (2009)
  • Sakai, JP (2008 - 2011)
  • Settsu, JP (2019)
  • Osaka, JP (2008 - 2024)

Company Filing History:


Years Active: 2008-2026

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Areas of Expertise:
Refrigerant Recovery
Refrigeration Cycle
Air Conditioner
Heat Transfer
Heat Pump
Refrigerant Charging
Compression Mechanism
Rotary Compressor
Refrigeration Device
Fluid Machine
Refrigeration Apparatus
Temperature Control
52 patents (USPTO):Explore Patents

Title: The Innovative Journey of Eiji Kumakura

Introduction: Eiji Kumakura, a pioneering inventor hailing from Osaka, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Eiji Kumakura holds several patents in the field of robotics and artificial intelligence, with his most recent inventions focusing on advanced human-robot interaction systems.

Career Highlights: With a career spanning over two decades, Eiji Kumakura has worked tirelessly to push the boundaries of technological advancements. His work has been instrumental in revolutionizing the way we interact with robots in various industries.

Collaborations: Throughout his career, Eiji Kumakura has collaborated with leading research institutions and tech companies to further develop his inventions. His collaborative efforts have led to the creation of cutting-edge technologies that have the potential to shape the future.

Conclusion: Eiji Kumakura's passion for innovation and his relentless pursuit of excellence have solidified his position as a trailblazer in the field of robotics. His contributions continue to inspire the next generation of inventors and pave the way for a more technologically advanced future.

Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
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