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For the Inventor, By the Inventor

Higashihiroshima, Japan

Fusatoshi Tanaka

This inventor holds 19 USPTO granted patents and 1 published patent application, primarily in Internal Combustion Engines. Top assignees: Mazda Motor Corporation, Nifco Inc.. Active years: 1985-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fusatoshi Tanaka. Retrieved from https://idiyas.com/inventor/fusatoshi-tanaka

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

USPTO Granted Patents = 19 

% Patents Active = 68.4

Average Co-Inventor Count = 3.7

ph-index = 7

Forward Citations = 111(Granted Patents)


Location History:

  • Fuchu-cho, JP (2003)
  • Hiroshima-ken, JP (2005)
  • Hiroshima, JP (1985 - 2014)
  • Higashihiroshima, JP (1987 - 2020)
  • Aki-gun, JP (2022)

Company Filing History:

goldMedal19 out of 4,751 
 
Mazda Motor Corporation
 patents
silverMedal1 out of 1,207 
 
Nifco Inc.
 patents
where one patent can have more than one assignee

Years Active: 1985-2022

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Areas of Expertise:
Exhaust Gas Recirculation
Intake Manifold
Blow-By Gas Recirculation
Oil Separation
Multi-Cylinder Engine
Combustion Engine
Fuel Intake System
V-Type Engine
Cylinder Head
Cam Shaft
Air Intake Apparatus
19 patents (USPTO):Explore Patents
1. 11499509 - Engine exhaust gas recirculation system (2022-11-15),
2. 10550804 - Air intake apparatus of multi-cylinder engine having secondary gas inlet passage connected to intake air inlet passage (2020-02-04),
3. 9926895 - Intake apparatus for engine (2018-03-27),
4. 9920722 - Intake system of engine (2018-03-20),
5. 9726124 - Intake manifold structure for engine (2017-08-08),
6. 9528427 - Intake system for engine (2016-12-27),
7. 8671919 - Intake device of engine (2014-03-18),
8. 8171922 - Blow-by gas recirculation system for internal combustion engine (2012-05-08),
9. 7032579 - Exhaust gas recirculation device of engine (2006-04-25),
10. 6854454 - Oil separating mechanism and oil separating unit (2005-02-15),
11. 6604506 - Intake manifold of engine (2003-08-12),
12. 5109811 - Intake system for multi-cylinder engine (1992-05-05),
13. 5081962 - Fuel intake system for V-type combustion engine (1992-01-21),
14. 5000129 - Intake system for internal combustion engine (1991-03-19),
15. 4981115 - Intake system for V-type engine (1991-01-01),

Title: **Fusatoshi Tanaka: Innovator in Engine Technology**

Introduction

Fusatoshi Tanaka, an accomplished inventor based in Higashihiroshima, Japan, has made significant contributions to the field of engine technology. With a total of 19 patents to his name, his work has been pivotal in improving efficiencies and functionalities of multi-cylinder engines.

Latest Patents

Among his latest innovations, Tanaka has developed an "Engine Exhaust Gas Recirculation System," designed specifically for multi-cylinder engines. This system includes a specially configured exhaust manifold connected to a cylinder head, along with a catalyst positioned at the downstream end. The design allows for improved control of exhaust gases by facilitating an EGR gas outlet that channels gases through an in-head EGR passage. This innovative approach optimizes the flow direction of the exhaust gas, enhancing engine performance.

Another notable patent is his "Air Intake Apparatus of Multi-Cylinder Engine," which introduces a secondary gas inlet passage connected to the intake air inlet passage. This advanced setup enhances air distribution and integrates fresh air with secondary gases effectively, improving the overall efficiency of the engine's air intake system.

Career Highlights

Fusatoshi Tanaka has had an impressive career, having worked with renowned companies like Mazda Motor Corporation and Nifco Inc. His expertise in engine design and technology has been instrumental in advancing the performance of automotive engines.

Collaborations

Throughout his career, Tanaka has collaborated with notable colleagues, such as Hideo Nakayama and Shuichi Nakatani. These partnerships have fostered innovation and contributed to several successful projects within the automotive industry.

Conclusion

Fusatoshi Tanaka's inventiveness and dedication to improving engine technologies have left a lasting impact in the automotive sector. With numerous patents under his belt, he continues to be a key figure in driving innovations that enhance engine efficiency and performance. His work exemplifies the critical intersection of engineering excellence and innovative thought in the field of automotive engineering.

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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