Kokubunji, Japan

Yoshiyuki Hirayama

This inventor holds 48 USPTO granted patents and 1 published patent application, primarily in Magnetic Recording Technology. Top assignees: Hitachi, Ltd., Hitachi Global Storage Technologies Japan, Ltd., Hitachi Global Storage Technologies Netherlands B.v.. Active years: 1993-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiyuki Hirayama. Retrieved from https://idiyas.com/inventor/yoshiyuki-hirayama

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 = 52.1

Average Co-Inventor Count = 4.5

ph-index = 10

Forward Citations = 421(Granted Patents)


Location History:

  • Kodaira, JP (1996 - 2008)
  • Tokyo, JP (2008 - 2014)
  • Kokubunji, JP (1993 - 2017)

Company Filing History:


Years Active: 1993-2017

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Areas of Expertise:
Magnetic Recording Medium
Perpendicular Magnetic Recording
Magnetic Storage Apparatus
Spin Torque Oscillator
High Density Recording
Magnetic Head
Information Recording Apparatus
Directed Self-Assembly
Block Copolymers
Magnetic Recording System
Servo Signal Testing
Grain Diameter Control
48 patents (USPTO):Explore Patents

Title: Yoshiyuki Hirayama: Pioneering Inventor from Kokubunji

Introduction: Yoshiyuki Hirayama is a renowned inventor hailing from Kokubunji, Japan, known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: Hirayama's recent patents include advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Hirayama has established himself as a leading figure in the world of technology and innovation. His inventions have revolutionized industries and improved the lives of many.

Collaborations: Throughout his career, Hirayama has collaborated with top research institutions, universities, and leading companies to further develop and implement his inventions on a global scale. His collaborative efforts have led to the successful commercialization of several groundbreaking technologies.

Conclusion: Yoshiyuki Hirayama's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor. His contributions continue to inspire future generations and shape the landscape of technological advancement.

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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