Shigeyuki Sakaguchi

This inventor holds 10 USPTO granted patents. Top assignee: Hitachi Automotive Systems, Ltd.. Active years: 2017-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeyuki Sakaguchi. Retrieved from https://idiyas.com/inventor/shigeyuki-sakaguchi-u9jeyzva

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

Calculating rank

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 15(Granted Patents)

Company Filing History:

10 out of 2,028

Hitachi Automotive Systems, Ltd.

patents

Years Active: 2017-2020

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10865696 - Cooling device for internal combustion engine of vehicle and control method thereof (2020-12-15),

2. 10605150 - Cooling device for internal combustion engine of vehicle and control method thereof (2020-03-31),

3. 10502175 - Control device for internal combustion engine and method of estimating combustion chamber-wall temperature of internal combustion engine (2019-12-10),

4. 10385758 - Cooling system for internal combustion engine, and control method thereof (2019-08-20),

5. 10371041 - Cooling device for internal combustion engine of vehicle and control method thereof (2019-08-06),

6. 10344664 - Control device and method for cooling system (2019-07-09),

7. 10174664 - Cooling control apparatus for internal combustion engine and cooling control method therefor (2019-01-08),

8. 10107176 - Cooling device of internal combustion engine for vehicle and control method thereof (2018-10-23),

9. 9816429 - Cooling device for internal combustion engine and control method for cooling device (2017-11-14),

10. 9726068 - Cooling device for internal combustion engine and control method for cooling device (2017-08-08),

Title: Shigeyuki Sakaguchi: Innovator in Automotive Cooling Technologies

Introduction

Shigeyuki Sakaguchi is a prominent inventor based in Isesaki, Japan. He has made significant contributions to the field of automotive technology, particularly in the development of cooling devices for internal combustion engines. With a total of 10 patents to his name, Sakaguchi's innovations have the potential to enhance vehicle performance and fuel efficiency.

Latest Patents

One of Sakaguchi's latest patents is a cooling device for internal combustion engines of vehicles, which includes an electric water pump for circulating cooling water. This device controls the discharge flow rate of the electric water pump based on the temperature of the cooling water. The system is designed to efficiently warm up the engine and improve combustion performance after the warm-up phase. Another notable patent involves a cooling device that adjusts the cooling water circulation rate while the vehicle is decelerating and in an idle reduction state. This innovation aims to accelerate the temperature decrease of the cylinder head and enhance fuel economy during vehicle acceleration.

Career Highlights

Sakaguchi is currently employed at Hitachi Automotive Systems, Ltd., where he continues to develop cutting-edge technologies in automotive cooling systems. His work has been instrumental in advancing the efficiency and performance of internal combustion engines.

Collaborations

Throughout his career, Sakaguchi has collaborated with talented colleagues, including Atsushi Murai and Yuichi Toyama. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Shigeyuki Sakaguchi's contributions to automotive cooling technology exemplify the impact of innovative thinking in the automotive industry. His patents not only enhance engine performance but also contribute to improved fuel efficiency, showcasing the importance of continuous innovation in vehicle 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]