Tsurugashima, Japan

Seiichi Ohsawa

This inventor holds 21 USPTO granted patents, primarily in Optical Recording Technology. Top assignees: Pioneer Electronic Corporation, Pioneer Corporation, Citizen Watch Company, Ltd.. Active years: 1985-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichi Ohsawa. Retrieved from https://idiyas.com/inventor/seiichi-ohsawa

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


% Patents Active = 95.2

Average Co-Inventor Count = 2.1

ph-index = 6

Forward Citations = 251(Granted Patents)


Location History:

  • Tsurugashima, JP (1994 - 2008)
  • Saitama, JP (1985 - 2012)

Company Filing History:


Years Active: 1985-2012

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Areas of Expertise:
Optical Disk Drive
Aberration Correction
Multi-Layer Recording Medium
High Density Optical Recording
Information Detection
Tilt Detector
Fibre-Type Light Conversion
Dot Line Printer
Tracking Error Signal
Optical Information Reading
Printing Impact Control
21 patents (USPTO):Explore Patents

Title: Seiichi Ohsawa: Pioneering Japanese Inventor

Introduction: Seiichi Ohsawa is a renowned Japanese inventor known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Seiichi Ohsawa holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies.

Career Highlights: Throughout his illustrious career, Seiichi Ohsawa has worked tirelessly to develop cutting-edge solutions that have revolutionized various industries. His innovative spirit and dedication to excellence have earned him recognition as a trailblazer in the world of invention.

Collaborations: Seiichi Ohsawa has collaborated with leading research institutions, universities, and companies to bring his ideas to life. His partnerships have been instrumental in turning his visionary concepts into tangible products that have had a lasting impact on society.

Conclusion: Seiichi Ohsawa's legacy as an inventor continues to inspire future generations to push the boundaries of what is possible through innovation and creativity.

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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