Tokyo, Japan

Yoshiaki Kumagai

This inventor holds 37 USPTO granted patents and 1 EPO patent, primarily in Display Technology. Top assignees: Sony Corporation, Sony Deutschland Gmbh, Sony Ericsson Mobile Communications Japan, Inc.. Active years: 1985-2015.

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

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


% Patents Active = 94.6

 

Average Co-Inventor Count = 2.1

ph-index = 14

Forward Citations = 1,407(Granted Patents)


Location History:

  • Kanagawa, JP (1998 - 2009)
  • Tokyo, JP (1985 - 2015)

Company Filing History:


Years Active: 1985-2015

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Areas of Expertise:
Head Mountable Display
Projector
Mobile Phone
Portable Recorder
Battery Charger
Combined Disc Player
Remote Controller
Lighting Apparatus
Communication Device
Electrical Program Guide
Headphone
Speaker Box
37 patents (USPTO):Explore Patents

Title: Yoshiaki Kumagai: Pioneering Inventor from Tokyo

Introduction: Yoshiaki Kumagai is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Kumagai holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative spirit and forward-thinking approach.

Career Highlights: With over two decades of experience in the industry, Kumagai has worked with leading research institutions and tech companies to develop cutting-edge solutions that have revolutionized the way we interact with technology.

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

Conclusion: Yoshiaki Kumagai's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazer in the world of technology, inspiring the next generation of inventors to push the boundaries of what is possible.

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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