Aichi, Japan

Hajime Arai

This inventor holds 24 USPTO granted patents, primarily in Automotive Transmissions. Top assignees: Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha, Aisin Seiki Kabushiki Kaisha. Active years: 1977-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Arai. Retrieved from https://idiyas.com/inventor/hajime-arai-wv7km4gr

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 13

Forward Citations = 346(Granted Patents)


Location History:

  • Aichi, JA (1977)
  • Toyota, JP (1988)
  • Aichi, JP (1978 - 1994)

Company Filing History:


Years Active: 1977-1994

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Areas of Expertise:
Fluid Coupling
Power Transmission
Automatic Transmission
Clutch Master Cylinder
Shift Mechanism
Torque Converter
Hydraulic Coupling
Gear-Shift Mechanism
Transmission Control
Manual Transmission
Subtransmission
Four Wheel Drive
24 patents (USPTO):Explore Patents

Title: The Innovative Journey of Hajime Arai

Introduction: Hajime Arai, a pioneering inventor hailing from Aichi, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Hajime Arai's latest patents focus on advancements in robotics and artificial intelligence, showcasing his commitment to pushing the boundaries of technological possibilities.

Career Highlights: With a career spanning over two decades, Hajime Arai has established himself as a leading figure in the field of innovation. His work has not only garnered international recognition but has also revolutionized various industries.

Collaborations: Throughout his career, Hajime Arai has collaborated with top research institutions, universities, and leading tech companies to bring his inventions to life. His ability to work in diverse teams has led to the development of cutting-edge technologies.

Conclusion: Hajime Arai's relentless pursuit of innovation and his passion for creating solutions to complex problems have solidified his position as a trailblazer in the world of inventions. His work continues to inspire future generations of inventors to think outside the box and drive positive change through technology.

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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