Iwata, Japan

Tomoyoshi Koyanagi

This inventor holds 22 USPTO granted patents and 1 EPO patent, primarily in Watercraft Technology. Top assignees: Yamaha Hatsudoki Kabushiki Kaisha, Yamaha Marine Kabushiki Kaisha, Yamaha Motor Company Ltd. Active years: 1992-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoyoshi Koyanagi. Retrieved from https://idiyas.com/inventor/tomoyoshi-koyanagi

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

Calculating rank

% Patents Active = 86.4


Average Co-Inventor Count = 1.6

ph-index = 9

Forward Citations = 200(Granted Patents)


Location History:

  • Iwata, JP (1992 - 2000)
  • Hamamatsu, JP (2006)
  • Shizuoka-ken, JP (2008)
  • Shizuoka, JP (1998 - 2024)

Company Filing History:


Years Active: 1992-2024

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Areas of Expertise:
Hull Behavior Control
Unmanned Aerial Vehicle
Steering Force Detection
Load Detector
Fuel Overflow Alarm
Watercraft Component Layout
Engine Start System
Jet Powered Watercraft
Small Watercraft Seat
Ride Plate
Hull Construction
Transport Equipment
22 patents (USPTO):Explore Patents

Title: The Innovative Journey of Tomoyoshi Koyanagi

Introduction: Tomoyoshi Koyanagi is a renowned inventor hailing from Iwata, Japan, known for his groundbreaking contributions to the field of technology and innovation.

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

Career Highlights: With a career spanning over two decades, Koyanagi has worked with leading tech companies, research institutions, and universities, playing a pivotal role in developing cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Tomoyoshi Koyanagi has collaborated with top engineers, scientists, and researchers from around the world, fostering a culture of innovation and knowledge exchange that has led to numerous successful projects and inventions.

Conclusion: Tomoyoshi Koyanagi's passion for innovation, coupled with his relentless pursuit of excellence, has solidified his reputation as a visionary inventor whose work continues to inspire and shape the future of 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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