Kudamatsu, Japan

Masakuni Ezumi

This inventor holds 61 USPTO granted patents and 10 EPO patents, primarily in Friction Stir Welding (CPC class B23K). Top assignee: Hitachi, Ltd.. Active years: 2000-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakuni Ezumi. Retrieved from https://idiyas.com/inventor/masakuni-ezumi

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


% Patents Active = 34.4

 

Average Co-Inventor Count = 3.4

ph-index = 20

Forward Citations = 1,004(Granted Patents)

Forward Citations (Not Self Cited) = 962(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Houfu, JP (2004)
  • Kudamatsu, JP (2000 - 2006)
  • Yamaguchi, JP (2004 - 2007)
  • Hofu, JP (2006 - 2009)

Company Filing History:


Years Active: 2000-2009

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Areas of Expertise:
Friction Stir Welding
Structural Bodies
Car Body Manufacturing
Frame Members
Hollow Shape Members
Rotary Tool
Nondestructive Inspection
Extruded Frame Member
Weld Location
Protruding Portion
Friction Stir Bonding
61 patents (USPTO):Explore Patents

Title: The Innovative Journey of Masakuni Ezumi

Introduction: Masakuni Ezumi is a pioneering inventor hailing from Kudamatsu, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Masakuni Ezumi holds several patents in the realm of electronics and robotics, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: Throughout his illustrious career, Masakuni Ezumi has been instrumental in developing cutting-edge technologies that have revolutionized various industries. His innovative spirit and commitment to excellence have earned him recognition as a trailblazer in the world of invention.

Collaborations: Masakuni Ezumi has collaborated with leading research institutions and tech companies to bring his visionary ideas to life. His ability to work seamlessly in multidisciplinary teams has led to the creation of groundbreaking solutions that have had a lasting impact on the world.

Conclusion: Masakuni Ezumi's relentless pursuit of innovation and his passion for creating technologies that shape the future make him a true visionary in the world of invention. His contributions continue to inspire generations of inventors and pave the way for a more technologically advanced tomorrow.

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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