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For the Inventor, By the Inventor

Gamagori, Japan

Hironao Yamaguchi

This inventor holds 9 USPTO granted patents and 1 EPO patent. Top assignee: Denso Corporation. Active years: 2002-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hironao Yamaguchi. Retrieved from https://idiyas.com/inventor/hironao-yamaguchi

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

USPTO Granted Patents = 9

% Patents Active = 33.3


Average Co-Inventor Count = 1.3

ph-index = 5

Forward Citations = 46(Granted Patents)


Location History:

  • Nukata-gun, JP (2002)
  • Gamagori, JP (2003 - 2006)
  • Kariya, JP (2018)

Company Filing History:

goldMedal9 out of 20,436 
 
Denso Corporation
 patents

Years Active: 2002-2018

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9 patents (USPTO):Explore Patents
1. 10024701 - Flow rate measuring device (2018-07-17),
2. 7008098 - Vehicle headlamp assembly with lampshade and lighting circuit separately mounted to reflector (2006-03-07),
3. 6734632 - Electric discharge lamp device (2004-05-11),
4. 6727636 - Discharge lamp device having discharge lamp and circuit unit directly connected together (2004-04-27),
5. 6710545 - Discharge lamp apparatus having directly coupled lamp and electronic controller (2004-03-23),
6. 6644842 - Vehicle headlight discharge lamp (2003-11-11),
7. 6642668 - Discharge lamp device for reducing noise radiation and surge pulse current (2003-11-04),
8. 6595672 - Vehicle headlight discharge lamp (2003-07-22),
9. 6492891 - Transformer device, high voltage generating apparatus having the same, and lighting system having them (2002-12-10),

Title: Hironao Yamaguchi: Innovator in Flow Measurement and Headlamp Technology

Introduction

Hironao Yamaguchi is a prominent inventor based in Gamagori, Japan. He has made significant contributions to the fields of flow measurement and automotive lighting technology. With a total of 9 patents to his name, Yamaguchi continues to push the boundaries of innovation in his industry.

Latest Patents

Yamaguchi's latest patents include a flow rate measuring device designed for internal combustion engines. This device features a first chip and a second chip that detect the flow rate of intake air and other parameters. The holding body of the device ensures that the second chip is protected while still being effective in measuring flow rates. Another notable patent is for a vehicle headlamp assembly that separates the lampshade and lighting control circuit from the reflector. This design minimizes heat transfer, enhancing the efficiency and longevity of the lighting system.

Career Highlights

Hironao Yamaguchi has built a successful career at Denso Corporation, a leading automotive components manufacturer. His work has not only advanced the technology in automotive lighting but has also improved the performance of internal combustion engines through innovative flow measurement solutions.

Collaborations

Yamaguchi has collaborated with notable coworkers such as Koichi Toyama and Junzo Yamaguchi. Their combined expertise has contributed to the development of cutting-edge technologies in the automotive sector.

Conclusion

Hironao Yamaguchi's contributions to innovation in flow measurement and automotive lighting exemplify his dedication to advancing technology. His patents reflect a commitment to improving vehicle performance and safety.

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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