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For the Inventor, By the Inventor

Tokyo, Japan

Takao Yokoyama

This inventor holds 58 USPTO granted patents and 2 published patent applications and 53 EPO patents, primarily in Turbocharger Technology (CPC class F05D). Top assignees: Mitsubishi Heavy Industries Limited, Mitsubishi Heavy Industries Engine & Turbocharger, Ltd., Nippon Kayaku Kabushiki Kaisha. Active years: 1994-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takao Yokoyama. Retrieved from https://idiyas.com/inventor/takao-yokoyama

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

USPTO Granted Patents = 58 

% Patents Active = 74.1

 

Average Co-Inventor Count = 3.2

ph-index = 8

Forward Citations = 165(Granted Patents)

Forward Citations (Not Self Cited) = 145(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Nagasaki-ken, JP (2005 - 2010)
  • Nakagasaki, JP (2012)
  • Nagasaki, JP (2012 - 2014)
  • Takasaki, JP (2013 - 2015)
  • Tokyo, JP (1994 - 2023)

Company Filing History:

goldMedal28 out of 4,751 
 
Mitsubishi Heavy Industries Limited
 patents
silverMedal25 out of 305 
 
Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
 patents
bronzeMedal4 out of 801 
 
Nippon Kayaku Kabushiki Kaisha
 patents
4. 1 out of 191 
 
Matsushita Graphic Communication Systems, Inc.
 patents

Years Active: 1994-2026

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Areas of Expertise:
Turbocharger
Turbine Blade
Variable Geometry
Centrifugal Compressor
Internal Combustion Engine
Turbine Rotor
Exhaust Gas
Radial Turbine
Turbocharger Device
Turbo Cluster
Compressor Impeller
Engine System
58 patents (USPTO):Explore Patents
1. 12768283 - Double scroll turbine and turbocharger (2026-10-20),
2. 12460562 - Mixed flow turbine and turbocharger (2025-11-04),
3. 11680539 - Internal combustion engine with turbocharger (2023-06-20),
4. 11572894 - Centrifugal compressor and supercharger (2023-02-07),
5. 11512634 - Turbine rotor blade, turbocharger, and method for producing turbine rotor blade (2022-11-29),
6. 11421535 - Turbine blade, turbocharger, and method of producing turbine blade (2022-08-23),
7. 11384683 - Turbocharger and internal combustion engine (2022-07-12),
8. 11319873 - Turbo cluster gas turbine system and activation method thereof (2022-05-03),
9. 11230938 - Fixed vane turbocharger (2022-01-25),
10. 11187144 - Diffuser and turbocharger (2021-11-30),
11. 11174870 - Turbine for turbocharger, and turbocharger (2021-11-16),
12. 11092068 - Variable geometry turbocharger (2021-08-17),
13. 11022130 - Turbocharger (2021-06-01),
14. 11002291 - Compressor impeller (2021-05-11),
15. 10895226 - Turbocharger (2021-01-19),

Title: Inventor Takao Yokoyama - Pioneering Innovations in Tokyo

Introduction: Takao Yokoyama is a distinguished inventor based in Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Yokoyama's recent patents focus on advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to creating a more efficient and sustainable future.

Career Highlights: With over two decades of experience in the innovation industry, Takao Yokoyama has a proven track record of transforming cutting-edge ideas into practical solutions. His work has been recognized globally for its impact on improving industries and enhancing daily life.

Collaborations: Throughout his career, Yokoyama has collaborated with leading research institutions, universities, and tech companies to push the boundaries of innovation. His ability to work across disciplines has led to the development of revolutionary technologies that have reshaped various sectors.

Conclusion: Takao Yokoyama's relentless pursuit of innovation and his passion for creating meaningful change continue to inspire the next generation of inventors and entrepreneurs. His legacy in the world of technology is sure to endure for years to come.

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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