Kanagawa, Japan

Ayae Tsuruta

This inventor holds 9 USPTO granted patents and 31 published patent applications. Top assignee: Semiconductor Energy Laboratory Co., Ltd.. Active years: 2019-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ayae Tsuruta. Retrieved from https://idiyas.com/inventor/ayae-tsuruta

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

USPTO Granted Patents = 9 

% Patents Active = 88.9

Average Co-Inventor Count = 4.9

ph-index = 2

Forward Citations = 12(Granted Patents)


Location History:

  • Kanagawa, JP (2019 - 2022)
  • Atsugi, JP (2022)

Company Filing History:


Years Active: 2019-2025

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9 patents (USPTO):Explore Patents

Title: Innovations of Ayae Tsuruta in Power Storage Technology

Introduction

Ayae Tsuruta is a prominent inventor based in Kanagawa, Japan, known for her significant contributions to the field of power storage technology. With a total of nine patents to her name, Tsuruta has made remarkable advancements that enhance the safety and efficiency of power storage devices.

Latest Patents

Among her latest innovations is a positive electrode active material particle designed to minimize deterioration. This invention includes a unique composition featuring a first crystal grain, a second crystal grain, and a crystal grain boundary. The first and second crystal grains consist of lithium, a transition metal, and oxygen, while the crystal grain boundary incorporates magnesium and oxygen. Notably, the positive electrode active material particle is characterized by a specific atomic concentration ratio of magnesium in the crystal grain boundary to the transition metal in the first and second crystal grains, which ranges from 0.010 to 0.50. This innovation contributes to the development of highly safe power storage devices with reduced deterioration.

Career Highlights

Ayae Tsuruta is affiliated with Semiconductor Energy Laboratory Co., Ltd., where she continues to push the boundaries of technology in her field. Her work has been instrumental in advancing the capabilities of power storage systems, making them more reliable and efficient.

Collaborations

Tsuruta collaborates with notable colleagues, including Teruaki Ochiai and Yohei Momma, who contribute to her innovative projects and research endeavors.

Conclusion

Ayae Tsuruta's contributions to power storage technology exemplify her dedication to innovation and safety in energy solutions. Her patents reflect a commitment to enhancing the performance and reliability of power storage devices, marking her as a key figure in the industry.

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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