Yokohama, Japan

Yutaka Nagai

This inventor holds 48 USPTO granted patents and 6 published patent applications and 1 EPO patent, primarily in Optical Recording Technology. Top assignees: Hitachi, Ltd., Hitachi Consumer Electronics Co., Ltd., Hitachi-Lg Data Storage, Inc.. Active years: 1990-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yutaka Nagai. Retrieved from https://idiyas.com/inventor/yutaka-nagai

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

USPTO Granted Patents = 48 

% Patents Active = 72.9


Average Co-Inventor Count = 3.1

ph-index = 9

Forward Citations = 598(Granted Patents)


Location History:

  • Kanagawa, JP (1994)
  • Yokohama, JP (1990 - 2016)

Company Filing History:


Years Active: 1990-2016

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Areas of Expertise:
Optical Disc
Recording Method
Reproduction Apparatus
Digital Signal
Multi-Layer Optical Disc
Information Medium
Address Generation
Data Reproducing
Digital Video Signal
Recording Apparatus
Optical Information
Reproducing Method
48 patents (USPTO):Explore Patents

Title: Yutaka Nagai: Pioneering Inventor from Yokohama

Introduction: Yutaka Nagai is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yutaka Nagai holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Yutaka Nagai has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Yutaka Nagai has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge exchange.

Conclusion: Yutaka Nagai's relentless pursuit of innovation and his passion for creating solutions to complex technological challenges have solidified his reputation as a visionary inventor in Yokohama 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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