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For the Inventor, By the Inventor

Osaka, Japan

Kotaro Hayashi

This inventor holds 11 USPTO granted patents and 3 published patent applications and 6 EPO patents. Top assignee: Daikin Industries, Ltd.. Active years: 2022-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kotaro Hayashi. Retrieved from https://idiyas.com/inventor/kotaro-hayashi-j21afnql

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

Calculating rank
USPTO Granted Patents = 11 

% Patents Active = 100.0

 

Average Co-Inventor Count = 8.0

ph-index = 1


Company Filing History:

goldMedal11 out of 4,497 
 
Daikin Industries, Ltd.
 patents

Years Active: 2022-2025

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11 patents (USPTO):Explore Patents
1. 12272789 - Electrolyte, electrochemical device, lithium ion secondary battery, and module (2025-04-08),
2. 12107225 - Electrolyte solution, electrochemical device, lithium ion secondary battery, module and compound (2024-10-01),
3. 12002926 - Electrolyte, electrochemical device, lithium ion secondary battery, and module (2024-06-04),
4. 11996522 - Electrolyte, electrochemical device, lithium-ion secondary battery, and module (2024-05-28),
5. 11945776 - Electrolyte, electrochemical device, lithium ion secondary battery, and module (2024-04-02),
6. 11916195 - Electrolyte solution, electrochemical device, lithium ion secondary battery, and module (2024-02-27),
7. 11718599 - Method for producing cyclic carbonate having unsaturated group, and novel cyclic carbonate (2023-08-08),
8. 11664534 - Electrolytic solution, electrochemical device, lithium ion secondary battery, and module (2023-05-30),
9. 11626618 - Electrolyte for lithium ion secondary battery, lithium ion secondary battery, and module (2023-04-11),
10. 11594761 - Electrolytic solution, electrochemical device, lithium-ion secondary cell, and module (2023-02-28),
11. 11420877 - Lithium fluorosulfonate production method (2022-08-23),

Title: Kotaro Hayashi: Innovator in Electrolyte Solutions

Introduction

Kotaro Hayashi is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of electrochemical devices, particularly in the development of lithium-ion secondary batteries. With a total of 11 patents to his name, Hayashi continues to push the boundaries of innovation in energy storage technologies.

Latest Patents

Hayashi's latest patents include advancements in electrolyte solutions and electrochemical devices. One notable patent describes an electrolyte solution containing specific compounds that enhance the performance of lithium-ion batteries. The formulations involve complex chemical structures, including fluorinated alkyl and aryl groups, which contribute to the efficiency and stability of the batteries. These innovations are crucial for the ongoing development of more effective energy storage systems.

Career Highlights

Hayashi is currently employed at Daikin Industries, Ltd., where he applies his expertise in materials science and electrochemistry. His work has been instrumental in advancing the company's capabilities in battery technology. Throughout his career, he has focused on creating solutions that address the growing demand for efficient energy storage.

Collaborations

Hayashi collaborates with notable colleagues, including Akiyoshi Yamauchi and Yuuki Suzuki. Together, they work on various projects aimed at enhancing the performance of electrochemical devices and exploring new materials for battery applications.

Conclusion

Kotaro Hayashi is a key figure in the field of electrolyte solutions and lithium-ion battery technology. His innovative patents and collaborative efforts continue to shape the future of 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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