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For the Inventor, By the Inventor

Kariya, Japan

Hideki Hayashi

This inventor holds 10 USPTO granted patents and 1 EPO patent. Top assignee: Denso Corporation. Active years: 2011-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideki Hayashi. Retrieved from https://idiyas.com/inventor/hideki-hayashi-co4af1i6

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

USPTO Granted Patents = 10

% Patents Active = 60.0

 

Average Co-Inventor Count = 1.5

ph-index = 2

Forward Citations = 17(Granted Patents)


Location History:

  • Yokkaichi, JP (2011)
  • Takahama, JP (2015 - 2016)
  • Kariya, JP (2013 - 2023)

Company Filing History:

goldMedal10 out of 20,407 
 
Denso Corporation
 patents

Years Active: 2011-2025

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10 patents (USPTO):Explore Patents
1. 12247532 - Valve device (2025-03-11),
2. 11655782 - Valve device (2023-05-23),
3. 11629674 - Valve device (2023-04-18),
4. 10539100 - Valve device (2020-01-21),
5. 9228547 - Apparatus for generating engine intake air turbulence (2016-01-05),
6. 9190884 - Electric actuator (2015-11-17),
7. 8783225 - Intake device for internal combustion engine (2014-07-22),
8. 8459895 - Power transmission device and assembling method thereof (2013-06-11),
9. 8424839 - Direct-current motor control device and method for detecting state of direct-current motor (2013-04-23),
10. 8052355 - Cutting tool and processing method by the same (2011-11-08),

Title: The Innovative Contributions of Hideki Hayashi

Introduction

Hideki Hayashi is a prominent inventor based in Kariya, Japan. He has made significant contributions to the field of engineering, particularly in the development of valve devices for EGR (Exhaust Gas Recirculation) systems. With a total of 10 patents to his name, Hayashi's work has had a notable impact on automotive technology.

Latest Patents

One of Hayashi's latest patents is a valve device designed to increase or decrease the flow rate of EGR gas. This innovative valve device includes a housing, a bypass valve body, and an EGR valve body. The housing features a first upstream passage for EGR gas cooled by an EGR cooler, a second upstream passage for EGR gas that bypasses the cooler, and a downstream passage connected to both upstream passages. The bypass valve body is strategically placed in the second upstream passage, while the EGR valve body is located in the downstream passage, allowing it to rotate around an EGR valve axis to effectively open and close the downstream passage.

Career Highlights

Hayashi has built a successful career at Denso Corporation, a leading global automotive supplier. His expertise in valve technology has positioned him as a key player in the development of advanced automotive systems. His innovative designs have contributed to improved vehicle performance and emissions control.

Collaborations

Throughout his career, Hayashi has collaborated with talented colleagues, including Yuichiro Moritani and Shogo Tateishi. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

In summary, Hideki Hayashi is a distinguished inventor whose work in valve devices has significantly advanced automotive engineering. His contributions continue to influence the industry, showcasing the importance of innovation in 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]
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