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For the Inventor, By the Inventor

Hiroshima, Japan

Naoyuki Yamagata

This inventor holds 22 USPTO granted patents and 4 published patent applications and 3 EPO patents, primarily in Internal Combustion Engines. Top assignee: Mazda Motor Corporation. Active years: 1991-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoyuki Yamagata. Retrieved from https://idiyas.com/inventor/naoyuki-yamagata

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

USPTO Granted Patents = 22 

% Patents Active = 72.7

 

Average Co-Inventor Count = 2.7

ph-index = 10

Forward Citations = 274(Granted Patents)


Location History:

  • Hiroshima, JP (1991 - 2014)
  • Higashihiroshima, JP (2009 - 2017)
  • Aki-gun, JP (2022)

Company Filing History:

goldMedal22 out of 4,751 
 
Mazda Motor Corporation
 patents

Years Active: 1991-2026

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Areas of Expertise:
Exhaust System
Two-Stroke Engine
Turbocharged Engine
Supercharger
Engine Control
Exhaust Gas Recirculation
Intake Manifold
V-Type Engine
Auxiliary Equipment Drive
Cylinder Head Structure
Multi-Cylinder Engine
Supercharged Engine
22 patents (USPTO):Explore Patents
1. 12571340 - Exhaust system (2026-03-10),
2. 11236684 - Two-stroke engine with supercharger (2022-02-01),
3. 9702296 - Turbocharged engine (2017-07-11),
4. 8763395 - Engine with supercharger (2014-07-01),
5. 8671670 - Exhaust system of multi-cylinder engine (2014-03-18),
6. 8311724 - Method of controlling engine system and engine system (2012-11-13),
7. 8256402 - Exhaust passage structure of multi-cylinder engine (2012-09-04),
8. 8141357 - Supercharger for an engine (2012-03-27),
9. 7644586 - Control of supercharged engine (2010-01-12),
10. 7628015 - Control for electrically driven supercharger (2009-12-08),
11. 5392751 - V-type engine with supercharger mounting (1995-02-28),
12. 5342248 - Auxiliary equipment drive system (1994-08-30),
13. 5309886 - Supercharged internal combustion engine (1994-05-10),
14. 5216989 - Apparatus for driving various devices by internal combustion engine (1993-06-08),
15. 5213071 - Support structure for cam shafts (1993-05-25),

Title: Naoyuki Yamagata: Pioneering Inventor from Hiroshima

Introduction: Naoyuki Yamagata is a renowned inventor hailing from Hiroshima, Japan, known for his groundbreaking contributions to the field of technology and innovation.

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

Career Highlights: With a career spanning over two decades, Naoyuki Yamagata has worked with leading tech companies and research institutions, playing a key role in the development of cutting-edge technologies that have revolutionized various industries.

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

Conclusion: Naoyuki Yamagata's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, inspiring the next generation of technologists to push the boundaries of what is possible in the world 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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