Saitama, Japan

Masato Kumagai

This inventor holds 23 USPTO granted patents, primarily in Internal Combustion Engine. Top assignees: Unisia Jecs Corporation, Hitachi, Ltd., Hitachi Unisia Automotive, Ltd.. Active years: 1995-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masato Kumagai. Retrieved from https://idiyas.com/inventor/masato-kumagai

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


% Patents Active = 73.9

Average Co-Inventor Count = 2.6

ph-index = 9

Forward Citations = 201(Granted Patents)


Location History:

  • Atsugi, JP (1995 - 2003)
  • Isesaki, JP (2007)
  • Saitama, JP (1998 - 2008)
  • Hadano, JP (2007 - 2010)

Company Filing History:


Years Active: 1995-2010

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Areas of Expertise:
Throttle Valve
Fuel Injector
Fuel Supply System
Control Apparatus
Rotary Valve Actuator
Liquid Level Detection
Fuel Gauge
Engine Control
Valve Actuator
Reciprocating Mechanism
Throttle Control Device
Fuel Supply Unit
23 patents (USPTO):Explore Patents

Title: The Innovative Journey of Masato Kumagai

Introduction: Masato Kumagai is a pioneering inventor hailing from Saitama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Masato Kumagai holds several patents in the realm of robotics and artificial intelligence, showcasing his dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Masato Kumagai has worked tirelessly to develop cutting-edge solutions that have revolutionized industries. His innovative spirit and commitment to excellence have earned him recognition as a trailblazer in the world of invention.

Collaborations: Throughout his career, Masato Kumagai has collaborated with leading research institutions and tech companies to bring his ideas to life. His ability to work in multidisciplinary teams has led to the creation of groundbreaking technologies that have had a lasting impact on society.

Conclusion: Masato Kumagai's passion for innovation and his relentless pursuit of excellence have solidified his position as a visionary inventor. His contributions to the world of technology continue to inspire future generations of inventors and shape the landscape of innovation.

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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