Toshiaki Tanaka

This inventor holds 27 USPTO granted patents, primarily in Diesel Engine Technology. Top assignee: Nissan Motor Company Limited. Active years: 1980-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiaki Tanaka. Retrieved from https://idiyas.com/inventor/toshiaki-tanaka-45a5ddzb

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

USPTO Granted Patents = 27

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 11

Forward Citations = 323(Granted Patents)

Location History:

Kanagawa, JP (1982)
Chigasaki, JP (1985 - 1987)
Fujisawa, JP (1980 - 1989)

Company Filing History:

27 out of 13,420

Nissan Motor Company Limited

patents

Years Active: 1980-1989

Loading Chart...

Areas of Expertise:

Diesel Engine

Swirl Chamber

Fuel Injection

Internal Combustion

Engine Cooling

Flame Dispersing

Transfer Passage

NOx Reduction

Dual Induction

EGR System

Injection Rate Control

Piston Crown

27 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4884538 - Diesel engine swirl chamber (1989-12-05),

2. 4875444 - Swirl chamber for diesel engines and the like (1989-10-24),

3. 4785776 - Diesel engine having shaped flame dispersing recess in piston crown (1988-11-22),

4. 4676209 - Transfer passage arrangement for diesel engine having swirl chamber (1987-06-30),

5. 4662330 - Diesel engine having swirl chamber and shaped flame dispersing recess in (1987-05-05),

6. 4635598 - Swirl chamber arrangement for diesel engine or the like (1987-01-13),

7. 4564341 - Fuel injection pump for an internal combustion engine (1986-01-14),

8. 4557230 - Swirl chamber for internal combustion engine (1985-12-10),

9. 4541375 - Diesel engine swirl chamber having improved multiple transfer passage (1985-09-17),

10. 4531491 - Fuel injection rate control system for an internal combustion engine (1985-07-30),

11. 4531488 - Fuel injection pump for an internal combustion engine (1985-07-30),

12. 4530324 - Fuel injection pump for an internal combustion engine (1985-07-23),

13. 4436060 - Engine cooling system (1984-03-13),

14. 4425885 - Diesel engine fuel injection device (1984-01-17),

15. 4385600 - Split type internal combustion engine (1983-05-31),

Title: Toshiaki Tanaka: Innovator in Diesel Engine Technology

Introduction

Toshiaki Tanaka is an accomplished inventor based in Fujisawa, Japan, known for his significant contributions to diesel engine technology. With a remarkable portfolio of 27 patents, Tanaka has made notable advancements that enhance engine performance and efficiency, solidifying his reputation in the automotive industry.

Latest Patents

Among Toshiaki Tanaka's latest innovations are two noteworthy patents focusing on diesel engine swirl chambers. The first patent revolves around a diesel engine swirl chamber designed with a unique nozzle throat configuration. This configuration allows for deflection of the flame front traveling back through the fuel plume, effectively preventing direct propagation into the chamber. Additionally, the orientation of the nozzle throat minimizes the surface area that interacts with injected fuel, resulting in reduced fuel adherence.

The second patent features a dome-shaped ceramic insert that forms a part of the swirl chamber. This insert is crafted with a single aperture allowing both the fuel injector and the glow plug to extend through it. The innovative design incorporates a fitting portion on the cylinder head that cooperates with the insert's inner walls, ultimately defining the upper section of the swirl chamber.

Career Highlights

Toshiaki Tanaka currently serves at Nissan Motor Company Limited, where he applies his expertise in automotive engineering and innovation. His extensive experience and continued research have earned him recognition within the company and the broader engineering community. Over the years, he has demonstrated a unique ability to solve complex engineering challenges through innovative design and technology.

Collaborations

Throughout his career, Toshiaki Tanaka has worked alongside talented individuals including Yukihiro Etoh and Fukashi Sugasawa. Their collaborative efforts have led to significant developments in automotive technologies, contributing to Nissan's reputation for excellence in engineering and innovation.

Conclusion

Toshiaki Tanaka's achievements in diesel engine technology showcase his dedication to innovation and improvement in automotive performance. With a portfolio of patents that reflect his ingenuity, he continues to shape the future of engine design at Nissan Motor Company Limited. His work not only enhances the efficiency of diesel engines but also demonstrates the critical impact of inventive thinking in the automotive industry.

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]