Kumagaya, Japan

Shigeo Fujii

This inventor holds 25 USPTO granted patents and 4 EPO patents, primarily in Magnetic Materials. Top assignees: Hitachi Metals, Ltd., Toa Nenryo Kogyo Kabushiki Kaisha, Asahi Kogaku Kogyo Kabushiki Kaisha. Active years: 1980-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeo Fujii. Retrieved from https://idiyas.com/inventor/shigeo-fujii

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


% Patents Active = 68.0


Average Co-Inventor Count = 3.4

ph-index = 10

Forward Citations = 326(Granted Patents)


Location History:

  • Ooi, JP (1980 - 1981)
  • Oi, JP (1983)
  • Kawagoe, JP (1987 - 1991)
  • Tsuchiura, JP (1992)
  • Saitama, JP (1983 - 2012)
  • Kumagaya, JP (1987 - 2013)
  • Saitama-ken, JP (2012 - 2013)

Company Filing History:


Years Active: 1980-2013

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Areas of Expertise:
Magnetic Materials
Fine Composite Metal Particles
Magnetoresistive Films
Magnetic Recording Medium
Coated Metal Particles
Micro-Bodies
Magnetic Beads
Nonwoven Fabrics
Fibrous Bone Filler
Melt Blowing Process
Artificial Leathers
Thin Film Sensors
25 patents (USPTO):Explore Patents

Title: The Innovative Journey of Shigeo Fujii

Introduction: Shigeo Fujii, a pioneering inventor hailing from Kumagaya, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Shigeo Fujii's latest patents focus on advancements in renewable energy technologies, particularly in the field of solar power generation and energy storage solutions.

Career Highlights: With a career spanning over two decades, Shigeo Fujii has established himself as a leading figure in the tech industry, with a strong focus on sustainability and environmental conservation.

Collaborations: Throughout his career, Shigeo Fujii has collaborated with various research institutions and universities to further his research and bring his innovative ideas to life.

Conclusion: Shigeo Fujii's dedication to pushing the boundaries of technology and his commitment to creating a more sustainable future make him a true visionary in the world of inventions.

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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