Tokyo, Japan

Yuki Fukunaga

This inventor holds 8 USPTO granted patents and 5 published patent applications and 10 EPO patents. Top assignees: Asahi Kasei Kabushiki Kaisha, Asahi Kasei Battery Separator Corporation. Active years: 2020-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuki Fukunaga. Retrieved from https://idiyas.com/inventor/yuki-fukunaga

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

USPTO Granted Patents = 8 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.7

ph-index = 1


Company Filing History:


Years Active: 2020-2025

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8 patents (USPTO):Explore Patents

Title: Yuki Fukunaga: Innovator in Battery Technology

Introduction

Yuki Fukunaga is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of battery technology, holding a total of eight patents. His work focuses on improving the efficiency and performance of electricity storage devices.

Latest Patents

Fukunaga's latest patents include a lithium-ion battery utilizing a crosslinkable separator. This innovative separator comprises a silane-modified polyolefin, which initiates a silane crosslinking reaction upon contact with the electrolyte solution. Additionally, he has developed a method for producing this separator. Another notable patent involves a separator that combines silane-modified polyolefin and polyethylene. This method includes a step of contacting a porous body formed from a silane-modified polyolefin-containing molded sheet with a base solution or acid solution. The separator is designed for electricity storage devices and features a microporous film with a melted film rupture temperature ranging from 180° C. to 220° C, as measured by thermomechanical analysis (TMA).

Career Highlights

Fukunaga has worked with several notable companies, including Asahi Kasei and Asahi Kasei Battery Separator Corporation. His experience in these organizations has allowed him to refine his expertise in battery technology and contribute to advancements in the field.

Collaborations

Some of Fukunaga's coworkers include Xun Zhang and Ryo Kuroki, who have collaborated with him on various projects related to battery technology.

Conclusion

Yuki Fukunaga is a key figure in the development of innovative battery technologies. His patents and work with leading companies highlight his commitment to advancing electricity storage solutions. His contributions continue to shape the future of battery technology.

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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