Sayama, Japan

Toshio Niihara

This inventor holds 22 USPTO granted patents, primarily in Magneto-Optical Recording. Top assignees: Hitachi, Ltd., Hitachi Maxell, Limited, Hitachi Maxwell, Ltd.. Active years: 1986-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Niihara. Retrieved from https://idiyas.com/inventor/toshio-niihara

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


% Patents Active = 100.0

Average Co-Inventor Count = 5.7

ph-index = 7

Forward Citations = 221(Granted Patents)


Location History:

  • Kokubunji, JP (1986)
  • Hachiouji, JP (1989)
  • Hachioji, JP (1987 - 1990)
  • Sayama, JP (1992 - 2002)

Company Filing History:


Years Active: 1986-2002

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Areas of Expertise:
Magneto-Optical Recording
Data Recording Systems
Optical Disks
Recording Media
Magneto-Optical Devices
Dielectric Layers
Information Storage
Sample-Servo System
Perpendicular Magnetic Recording
Irradiation Techniques
Magnetic Fields
Recording Materials
22 patents (USPTO):Explore Patents

Title: Toshio Niihara: Pioneering Inventor from Sayama

Introduction: Toshio Niihara is a renowned inventor hailing from Sayama, Japan, known for his groundbreaking contributions to the field of materials science and engineering.

Latest Patents: Niihara holds several patents related to advanced ceramics and composite materials, showcasing his innovative approach to enhancing material properties for various applications.

Career Highlights: With a distinguished career spanning several decades, Niihara has held key positions in research institutions and universities, where he has led pioneering research projects in the development of high-performance materials.

Collaborations: Throughout his career, Niihara has collaborated with leading scientists, engineers, and industry experts to push the boundaries of material science, resulting in significant advancements in the field.

Conclusion: Toshio Niihara's relentless pursuit of innovation and his remarkable contributions to the field of materials science have solidified his reputation as a trailblazing inventor in Sayama, Japan, and beyond.

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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