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For the Inventor, By the Inventor

Tokyo, Japan

Hiroyasu Sumino

This inventor holds 16 USPTO granted patents, primarily in Fuel Cells. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1997-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyasu Sumino. Retrieved from https://idiyas.com/inventor/hiroyasu-sumino

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

Calculating rank
USPTO Granted Patents = 16

% Patents Active = 75.0

Average Co-Inventor Count = 4.4

ph-index = 7

Forward Citations = 233(Granted Patents)


Location History:

  • Kanagawa-ken, JP (1997)
  • Tokyo, JP (2000 - 2013)

Company Filing History:

goldMedal16 out of 53,286 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 1997-2013

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Areas of Expertise:
Direct Methanol Fuel Cell
Dye Sensitized Solar Cell
Fuel Cell Catalyst
Membrane Electrode Assembly
Electrolytic Composition
Photovoltaic Conversion Element
Silicon Nitride Circuit Substrate
Sintered Aluminum Nitride
High Thermal Conductivity
Circuit Board
Insulating Layer
Fuel Cell System
16 patents (USPTO):Explore Patents
1. 8597856 - Direct methanol fuel cell (2013-12-03),
2. 7812252 - Dye sensitized solar cell and method for manufacturing dye sensitized solar cell (2010-10-12),
3. 7759277 - Fuel cell catalyst, process for preparation of the same, and membrane electrode assembly and fuel cell employing the catalyst (2010-07-20),
4. 7297426 - Direct methanol fuel cell system, fuel cartridge, and memory for fuel cartridge (2007-11-20),
5. 7196264 - Dye sensitized solar cell and method for manufacturing dye sensitized solar cell (2007-03-27),
6. 7147950 - Liquid fuel-housing tank for fuel cell and fuel cell (2006-12-12),
7. 7126054 - Raw material kit for electrolytic composition, electrolytic composition, and dye-sensitized solar cell (2006-10-24),
8. 6506513 - Liquid fuel-housing tank for fuel cell and fuel cell (2003-01-14),
9. 6384321 - Electrolyte composition, photosensitized solar cell using said electrolyte composition, and method of manufacturing photosensitized solar cell (2002-05-07),
10. 6310282 - Photovoltaic conversion element and a dye-sensitizing photovoltaic cell (2001-10-30),
11. 6110596 - Silicon nitride ceramic circuit substrate and semiconductor device using (2000-08-29),
12. 6107638 - Silicon nitride circuit substrate and semiconductor device containing (2000-08-22),
13. 6086990 - High thermal conductivity silicon nitride circuit substrate and (2000-07-11),
14. 6013356 - Circuit board with high strength and high reliability and process for (2000-01-11),
15. 5641718 - Sintered aluminum nitride and circuit substrate using sintered aluminum (1997-06-24),

Title: Hiroyasu Sumino: Innovator in Fuel Cell and Solar Technology

Introduction

Hiroyasu Sumino is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of fuel cell technology and solar energy. With a total of 16 patents to his name, Sumino continues to push the boundaries of innovation.

Latest Patents

One of his latest inventions is a direct methanol fuel cell. This innovative fuel cell includes a cathode catalyst layer, an electrolyte membrane, and an anode catalyst layer. It also features a first fuel control layer that is water-repellent and conductive, with pores, a second fuel control layer that is water-repellent and conductive with larger pores, and a third fuel control layer that is water-repellent and conductive with smaller pores. The arrangement of these layers is designed to enhance the efficiency of the fuel cell.

Another notable patent is for a dye sensitized solar cell and the method for manufacturing it. This solar cell comprises an n-type semiconductor electrode containing a dye, an opposed electrode, and a gel electrolyte. The gel electrolyte is arranged between the n-type semiconductor and the opposed electrode and contains a gelling agent along with an electrolyte that includes iodine. The gelling agent is composed of a compound that contains an N-containing group and at least one atomic group selected from a group consisting of a sulfonic group and a carboxylic group.

Career Highlights

Hiroyasu Sumino works at Kabushiki Kaisha Toshiba, a leading company in technology and innovation. His work has significantly impacted the development of sustainable energy solutions.

Collaborations

Sumino has collaborated with notable coworkers, including Akihiro Horiguchi and Mitsuo Kasori. Their combined expertise has contributed to the advancement of their projects and innovations.

Conclusion

Hiroyasu Sumino is a key figure in the realm of fuel cell and solar technology. His inventions and patents reflect his commitment to advancing sustainable energy solutions. His work continues to inspire future innovations in these critical fields.

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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