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For the Inventor, By the Inventor

Takatsuki, Japan

Hiroe Nakagawa

This inventor holds 13 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignees: Yuasa Corporation, Gs Yuasa International Ltd., Gs Yuasa Corporation. Active years: 1996-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroe Nakagawa. Retrieved from https://idiyas.com/inventor/hiroe-nakagawa

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

USPTO Granted Patents = 13 

% Patents Active = 76.9

 

Average Co-Inventor Count = 5.3

ph-index = 5

Forward Citations = 108(Granted Patents)


Location History:

  • Osaka, JP (1999 - 2010)
  • Takatsuki, JP (1996 - 2012)
  • Kyoto, JP (2013 - 2022)

Company Filing History:

goldMedal6 out of 38 
 
Yuasa Corporation
 patents
silverMedal4 out of 769 
 
Gs Yuasa International Ltd.
 patents
bronzeMedal3 out of 45 
 
Gs Yuasa Corporation
 patents
4. 1 out of 1,817 
 
Mitsui Chemicals, Inc.
 patents
5. 1 out of 86 
 
The Doshisha
 patents
6. 1 out of 195 
 
The Kansai Electric Power Co., Inc.
 patents
where one patent can have more than one assignee

Years Active: 1996-2022

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13 patents (USPTO):Explore Patents
1. 11450888 - Nonaqueous electrolyte and nonaqueous electrolyte energy storage device (2022-09-20),
2. 10476108 - Non-aqueous electrolyte solution for secondary battery, and secondary battery (2019-11-12),
3. 8431271 - Positive active material for lithium secondary battery and lithium secondary battery (2013-04-30),
4. 8153295 - Positive electrode active material and its manufacturing method, positive electrode for lithium secondary cell using same, and lithium secondary cell (2012-04-10),
5. 7754388 - Nonaqueous electrolyte and nonaqueous-electrolyte battery (2010-07-13),
6. 7691535 - Active substance of positive electrode and non-aqueous electrolyte battery containing the same (2010-04-06),
7. 7029793 - Nonaqueous electrolyte lithium secondary cell (2006-04-18),
8. 6902848 - Lithium battery including a gel electrolyte (2005-06-07),
9. 6673496 - Thin lithium secondary cell (2004-01-06),
10. 6358646 - Method of making a flat type lithium secondary battery and electrode (2002-03-19),
11. 6136473 - Hydrogen absorbing electrode, nickel electrode and alkaline storage (2000-10-24),
12. 5935732 - Hydrogen absorbing electrode and its manufacturing method (1999-08-10),
13. 5489314 - Manufacturing method of nickel plate and manufacturing method of (1996-02-06),

Title: Innovations of Hiroe Nakagawa

Introduction

Hiroe Nakagawa is a prominent inventor based in Takatsuki, Japan. She has made significant contributions to the field of energy storage technology, holding a total of 13 patents. Her work focuses on nonaqueous electrolytes and their applications in energy storage devices.

Latest Patents

One of her latest patents is for a nonaqueous electrolyte and nonaqueous electrolyte energy storage device. This invention includes an alkali metal salt, a first aprotic organic solvent that coordinates to an alkali metal ion, and a second aprotic organic solvent that contains a fluorine atom. The additive in this invention comprises a polar group and a group including a fluorine atom. The specific content ratios of these components are carefully defined to optimize performance. Another notable patent is for a non-aqueous electrolyte solution for a secondary battery, which includes a boron compound represented by a specific formula. This formula allows for various alkyl and alkenyl groups, enhancing the versatility of the electrolyte solution.

Career Highlights

Hiroe Nakagawa has worked with notable companies such as Yuasa Corporation and GS Yuasa International Ltd. Her experience in these organizations has contributed to her expertise in developing innovative energy storage solutions.

Collaborations

She has collaborated with esteemed colleagues, including Syuichi Izuchi and Akihiro Fujii, to advance her research and development efforts in the field of energy storage.

Conclusion

Hiroe Nakagawa's contributions to the field of energy storage through her innovative patents and collaborations highlight her role as a leading inventor in this technology. Her work continues to influence advancements in energy storage solutions.

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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