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For the Inventor, By the Inventor

Aichi, Japan

Hiroyuki Hagano

This inventor holds 71 USPTO granted patents and 3 published patent applications and 1 EPO patent, primarily in Fuel Tank Technology (CPC class B60K). Top assignees: Toyoda Gosei Co., Ltd., Honda Motor Co., Ltd., Daikin Industries, Ltd.. Active years: 1992-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Hagano. Retrieved from https://idiyas.com/inventor/hiroyuki-hagano

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

USPTO Granted Patents = 71 

% Patents Active = 62.0


Average Co-Inventor Count = 1.7

ph-index = 13

Forward Citations = 541(Granted Patents)

Forward Citations (Not Self Cited) = 475(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Aichi, JP (1994 - 1999)
  • Inazawa, JP (1992 - 2004)
  • Nishikasugai-gun, JP (2003 - 2010)
  • Aichi-ken, JP (2003 - 2016)
  • Kiyosu, JP (2012 - 2023)

Company Filing History:

goldMedal68 out of 3,086 
 
Toyoda Gosei Co., Ltd.
 patents
silverMedal3 out of 22,006 
 
Honda Motor Co., Ltd.
 patents
bronzeMedal1 out of 4,492 
 
Daikin Industries, Ltd.
 patents
4. 1 out of 51 
 
Toyoda Gosei
 patents
5. 1 out of 38,912 
 
Toyota Jidosha Kabushiki Kaisha
 patents
6. 1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1992-2023

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Areas of Expertise:
Fuel Tank
Fueling Device
Gasket
Opening-Closing Apparatus
Filler Port
Cap Device
Fuel Cap
Torque Mechanism
Elastic Member
Fuel Filler Systems
Manufacturing Method
71 patents (USPTO):Explore Patents
1. 11597269 - Fuel device (2023-03-07),
2. 10843554 - Fuel supply device (2020-11-24),
3. 10626005 - Fueling device (2020-04-21),
4. 10507723 - Opening-closing apparatus for fuel tank (2019-12-17),
5. 10442289 - Opening/closing apparatus for fuel tank (2019-10-15),
6. 10434874 - Closing device for filler port (2019-10-08),
7. 10399436 - Opening/closing apparatus for fuel tank (2019-09-03),
8. 10144279 - Closing device for filler port (2018-12-04),
9. 9919596 - Open-close device for fuel tank (2018-03-20),
10. D796012 - Gasket (2017-08-29),
11. 9561718 - Fuel filler systems and methods of assembling same (2017-02-07),
12. 9434248 - Fuel tank opening and closing device (2016-09-06),
13. 9370998 - Fuel filler systems and methods of assembling same (2016-06-21),
14. 9340105 - Fuel tank opening-closing device (2016-05-17),
15. 9234602 - Tank opening-closing device (2016-01-12),

Title: The Innovative Journey of Hiroyuki Hagano

Introduction: Hiroyuki Hagano, a talented inventor hailing from Aichi-ken, Japan, has made significant contributions to the field of technology with his groundbreaking innovations.

Latest Patents: Hiroyuki Hagano holds several patents in the realm of electronics and robotics, showcasing his prowess in creating cutting-edge solutions for complex problems.

Career Highlights: Throughout his illustrious career, Hiroyuki Hagano has been at the forefront of technological advancements, revolutionizing the way we interact with machines and devices. His innovative spirit and dedication to pushing the boundaries of what is possible have earned him recognition in the industry.

Collaborations: Hiroyuki Hagano has collaborated with leading tech companies and research institutions to further his inventions and bring them to the market. His ability to work in multidisciplinary teams has led to the development of groundbreaking technologies that have the potential to shape the future.

Conclusion: In conclusion, Hiroyuki Hagano's passion for innovation and his relentless pursuit of excellence have solidified his position as a visionary inventor in the world of technology. His contributions continue to inspire the next generation of inventors and pave the way for a more technologically advanced future.

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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