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For the Inventor, By the Inventor

Wako, Japan

Yu Tomana

This inventor holds 17 USPTO granted patents and 4 published patent applications, primarily in Fuel Cell Technology. Top assignees: Honda Motor Co., Ltd., Gm Global Technolgoy Operations, Inc.. Active years: 2015-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yu Tomana. Retrieved from https://idiyas.com/inventor/yu-tomana

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

Calculating rank
USPTO Granted Patents = 17 

% Patents Active = 94.1

Average Co-Inventor Count = 3.1

ph-index = 1

Forward Citations = 4(Granted Patents)


Location History:

  • Wako, JP (2015 - 2021)
  • Tokyo, JP (2019 - 2021)

Company Filing History:

goldMedal17 out of 22,925 
 
Honda Motor Co., Ltd.
 patents
silverMedal4 out of 31,987 
 
Gm Global Technolgoy Operations, Inc.
 patents
where one patent can have more than one assignee

Years Active: 2015-2021

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Areas of Expertise:
Fuel Cell
Fuel Cell Stack
Power Generation Cell
Fuel Cell Separator
Membrane Electrode Assembly
Header Flange
Contact Pressure
Reinforcement Structure
Pressure Loss
Gas Passage
Joint Separator
Bead Seal
17 patents (USPTO):Explore Patents
1. 11101470 - Fuel cell and fuel cell stack (2021-08-24),
2. 11063269 - Power generation cell (2021-07-13),
3. 11063267 - Fuel cell separator and fuel cell stack (2021-07-13),
4. 10991955 - Header flange to evenly distribute contact pressure across seals (2021-04-27),
5. 10923740 - Fuel cell separator, fuel cell joint separator, and power generation cell (2021-02-16),
6. 10910658 - Fuel cell metal separator, method of producing the fuel cell metal separator, and power generation cell (2021-02-02),
7. 10886556 - Power generation cell (2021-01-05),
8. 10811700 - Fuel cell separator and power generation cell (2020-10-20),
9. 10784524 - Power generation cell with reduced pressure loss between reactant gas passage and reactant gas flow field (2020-09-22),
10. 10763521 - Fuel cell separator and fuel cell stack (2020-09-01),
11. 10741861 - Power generating cell (2020-08-11),
12. 10573905 - Power generation cell (2020-02-25),
13. 10529996 - Header design employing generally regular shapes (2020-01-07),
14. 10522852 - Reinforcement structure for bead seal in a plate assembly (2019-12-31),
15. 10347921 - Header flange to evenly distribute contact pressure across seals (2019-07-09),

Title: Yu Tomana: Pioneering Inventor from Wako, JP

Introduction: Yu Tomana is a distinguished inventor hailing from Wako, Japan, known for his groundbreaking contributions to the field of technology and innovation.

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

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

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

Conclusion: Yu Tomana's relentless pursuit of innovation and his passion for creating technology that makes a difference have solidified his position as a respected figure in the world of inventors and innovators.

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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