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For the Inventor, By the Inventor

Yokohama, Japan

Toshiro Hiraoka

This inventor holds 54 USPTO granted patents and 15 published patent applications, primarily in Battery Technology (CPC class H01M). Top assignee: Kabushiki Kaisha Toshiba. Active years: 1996-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiro Hiraoka. Retrieved from https://idiyas.com/inventor/toshiro-hiraoka

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

USPTO Granted Patents = 54 

% Patents Active = 38.9

Average Co-Inventor Count = 3.9

ph-index = 17

Forward Citations = 1,823(Granted Patents)

Forward Citations (Not Self Cited) = 1,747(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Fujisawa, JP (2004 - 2007)
  • Tokyo, JP (2003 - 2014)
  • Kanagawa-ken, JP (1996 - 2015)
  • Kanagawa, JP (1996 - 2018)
  • Yokohama, JP (1998 - 2019)

Company Filing History:

goldMedal54 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 1996-2019

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Areas of Expertise:
Non-Aqueous Electrolyte Battery
Negative Electrode Material
Magnetic Refrigeration
Information Recording
Concave-Convex Pattern
Porous Structure
Electronic Testing
Organic Electroluminescent Device
54 patents (USPTO):Explore Patents
1. 10254397 - Inspection apparatus and inspection system (2019-04-09),
2. 9859553 - Negative electrode active material for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery, and battery pack (2018-01-02),
3. 9318737 - Negative electrode material for non-aqueous electrolyte secondary battery, negative electrode active material for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery (2016-04-19),
4. 9222708 - Magnetic refrigeration device and magnetic refrigeration system (2015-12-29),
5. 9114592 - Method for manufacturing fine concave-convex pattern and sheet for manufacturing fine concave-convex pattern (2015-08-25),
6. 9030366 - Radio apparatus and antenna device including magnetic material for isolation (2015-05-12),
7. 8778201 - Method for manufacturing porous structure and method for forming pattern (2014-07-15),
8. 8435416 - Method for manufacturing porous structure and method for forming pattern (2013-05-07),
9. 8420499 - Concave-convex pattern forming method and magnetic tunnel junction element forming method (2013-04-16),
10. 8394877 - Method for manufacturing porous structure and method for forming pattern (2013-03-12),
11. 8377551 - Structure for recording medium (2013-02-19),
12. 8323520 - Method for manufacturing fine concave-convex pattern and sheet for manufacturing fine concave-convex pattern (2012-12-04),
13. 8269205 - Information recording and reproducing device (2012-09-18),
14. 8237145 - Nonvolatile memory device with recording layer having two portions of different nitrogen amounts (2012-08-07),
15. 8207518 - Information recording and reproducing device (2012-06-26),

Title: The Innovative Journey of Toshiro Hiraoka

Introduction: Toshiro Hiraoka, a pioneering inventor hailing from Yokohama, Japan, has made significant contributions to the world of technology through his groundbreaking inventions and patents.

Latest Patents: Toshiro Hiraoka's latest patents focus on advancements in renewable energy technologies, particularly in the field of solar power generation and energy storage systems.

Career Highlights: With a career spanning over two decades, Toshiro Hiraoka has established himself as a leading figure in the innovation landscape. His work has been instrumental in shaping the future of sustainable energy solutions.

Collaborations: Throughout his career, Toshiro Hiraoka has collaborated with top research institutions and leading technology companies to bring his inventions to life. His partnerships have been crucial in driving forward the development and commercialization of his innovative ideas.

Conclusion: Toshiro Hiraoka's relentless pursuit of innovation and his passion for creating a more sustainable future have solidified his position as a visionary inventor. His contributions continue to inspire and pave the way for future technological advancements.

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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