Shigeki Miyashita

This inventor holds 51 USPTO granted patents and 8 published patent applications and 25 EPO patents, primarily in Internal Combustion Engine (CPC class F02D). Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 1997-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeki Miyashita. Retrieved from https://idiyas.com/inventor/shigeki-miyashita

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

USPTO Granted Patents = 51 (Patent Applications = 8)

% Patents Active = 15.7

EPO Patents = 25 (Patent Applications = 15)

Average Co-Inventor Count = 1.3

ph-index = 11

Forward Citations = 447(Granted Patents)

Forward Citations (Not Self Cited) = 442(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

51 out of 38,970

Toyota Jidosha Kabushiki Kaisha

patents

Years Active: 1997-2022

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Areas of Expertise:

EGR Device

Control Device

Hybrid Vehicle

Exhaust Purification

Air-Fuel Ratio

Ignition Apparatus

Abnormality Detection

Exhaust Gas Recirculation

Throttle Valve Control

Dual Injection

Compression Ratio

Control Method

51 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11359583 - EGR device (2022-06-14),

2. 11136927 - Internal combustion engine system (2021-10-05),

3. 11008985 - Control device for internal combustion engine (2021-05-18),

4. 10830200 - Control device for internal combustion engine (2020-11-10),

5. 10697418 - Hybrid vehicle (2020-06-30),

6. 10655546 - Control device for internal combustion engine (2020-05-19),

7. 10473040 - Control apparatus for internal combustion engine and control method for internal combustion engine (2019-11-12),

8. 10436078 - Control device for internal combustion engine (2019-10-08),

9. 9228538 - Internal combustion engine control apparatus (2016-01-05),

10. 9212628 - Abnormality detection device for exhaust gas recirculation apparatus (2015-12-15),

11. 9115672 - Control apparatus for internal combustion engine (2015-08-25),

12. 9027539 - Control apparatus for internal combustion engine (2015-05-12),

13. 8813730 - Control apparatus for internal combustion engine (2014-08-26),

14. 8752532 - Internal combustion engine and control device for internal combustion engine (2014-06-17),

15. 8733081 - Control apparatus for internal combustion engine (2014-05-27),

Title: Shigeki Miyashita: Innovator in Internal Combustion Engine Technologies

Introduction

Shigeki Miyashita is a prominent inventor based in Susono, Japan, known for his significant contributions to the field of internal combustion engine technologies. With an impressive portfolio of 51 patents, Miyashita has been instrumental in advancing engineering solutions that enhance efficiency and performance in automotive systems.

Latest Patents

Among his latest innovations, Shigeki Miyashita has developed a novel EGR (Exhaust Gas Recirculation) device, which features a unique configuration of EGR introduction passages and chambers. This EGR device comprises multiple cylinders, organized into two subsets, where the explosion interval is optimized for performance. In addition, Miyashita has created an internal combustion engine system that effectively manages valve timing differences to improve fuel efficiency during varying operational conditions. These advancements underscore Miyashita’s commitment to delivering cutting-edge technology solutions.

Career Highlights

Shigeki Miyashita is currently associated with Toyota Jidosha Kabushiki Kaisha, commonly known as Toyota. Throughout his career, he has been recognized for his inventive prowess, contributing to the development of numerous technologies that enhance automotive performance and environmental sustainability.

Collaborations

Miyashita has collaborated with esteemed colleagues such as Hiroyuki Hokuto and Kenji Harima. Together, they have combined their expertise to push the boundaries of innovation within their field, embodying the collaborative spirit that is essential in the complex world of engineering.

Conclusion

With a track record of groundbreaking patents and a solid career at Toyota, Shigeki Miyashita continues to inspire the automotive industry. His innovative contributions not only enhance vehicle performance but also pave the way for advancements in fuel efficiency and emissions reduction, showcasing his vital role as an inventor in today's automotive landscape.

Profile summary based on public USPTO records.