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For the Inventor, By the Inventor

Utsunomiya, Japan

Hiroyuki Oyanagi

This inventor holds 18 USPTO granted patents and 1 EPO patent. Top assignees: Honda Giken Kogyo Kabushiki Kaisha, Symyx Technologies, Inc., Symyx Solutions, Inc.. Active years: 2000-2011.

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

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

USPTO Granted Patents = 18

% Patents Active = 33.3


Average Co-Inventor Count = 5.4

ph-index = 8

Forward Citations = 223(Granted Patents)


Location History:

  • Wako, JP (2000 - 2004)
  • Saitama-ken, JP (2004 - 2006)
  • Iruma-gun, JP (2006)
  • Saitama, JP (2009 - 2010)
  • Utsunomiya, JP (2008 - 2011)

Company Filing History:

goldMedal18 out of 10,092 
 
Honda Giken Kogyo Kabushiki Kaisha
 patents
silverMedal5 out of 302 
 
Symyx Technologies, Inc.
 patents
bronzeMedal3 out of 21 
 
Symyx Solutions, Inc.
 patents
4. 1 out of 10 
 
Freeslate, Inc.
 patents
where one patent can have more than one assignee

Years Active: 2000-2011

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18 patents (USPTO):Explore Patents
1. 8021798 - Fuel cell electrocatalyst of Pt-Zn-Ni/Fe (2011-09-20),
2. 7811965 - Platinum-copper-nickel fuel cell catalyst (2010-10-12),
3. 7700521 - Platinum-copper fuel cell catalyst (2010-04-20),
4. 7662740 - Platinum-chromium-copper/nickel fuel cell catalyst (2010-02-16),
5. 7635533 - Fuel cell electrocatalyst of Pt-Mn-Co (2009-12-22),
6. 7608560 - Platinum-titanium-tungsten fuel cell catalyst (2009-10-27),
7. 7479343 - Platinum-indium-iron/tungsten/manganese fuel cell electrocatalyst (2009-01-20),
8. 7422994 - Platinum-copper-tungsten fuel cell catalyst (2008-09-09),
9. 7101639 - Fuel cell electrocatalyst of Pt-Rh-Mo-Ni/Fe (2006-09-05),
10. 6986962 - Basic polymer electrolyte fuel cell (2006-01-17),
11. 6833204 - Method of operating phosphoric acid fuel cell (2004-12-21),
12. 6770393 - Proton conducting polymer, method for producing the same, solid polymer electrolyte and electrode (2004-08-03),
13. 6767664 - Proton conducting polymer, method for producing the same, solid polymer electrolyte and electrode (2004-07-27),
14. 6523699 - Sulfonic acid group-containing polyvinyl alcohol, solid polymer electrolyte, composite polymer membrane, method for producing the same and electrode (2003-02-25),
15. 6478987 - Proton conducting polymer, method for producing the same, solid polymer electrolyte and electrode (2002-11-12),

Title: Hiroyuki Oyanagi: Pioneering Inventor from Utsunomiya

Introduction: Hiroyuki Oyanagi is a distinguished inventor hailing from Utsunomiya, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hiroyuki Oyanagi holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Hiroyuki Oyanagi has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs.

Collaborations: Throughout his career, Hiroyuki Oyanagi has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge exchange.

Conclusion: Hiroyuki Oyanagi's relentless pursuit of innovation and his passion for creating technology that positively impacts society solidify his position as a visionary inventor in the global tech landscape.

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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