Osaka, Japan

Nao Matsumura

This inventor holds 14 USPTO granted patents and 10 published patent applications and 2 EPO patents, primarily in Electrochemical Devices. Top assignees: Panasonic Intellectual Property Management Co., Ltd., Panasonic Corporation. Active years: 2011-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nao Matsumura. Retrieved from https://idiyas.com/inventor/nao-matsumura

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

Calculating rank
USPTO Granted Patents = 14 

% Patents Active = 85.7


Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2011-2025

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Areas of Expertise:
Lithium-Ion Capacitor
Electrolytic Capacitor
Electrochemical Device
Electrode
Manufacturing Method
Positive Electrode
Power Storage Device
Conductive Polymer Layer
Electric Double Layer Capacitor
Capacitor Electrode
Capacitor Element
14 patents (USPTO):Explore Patents

Title: Nao Matsumura: Innovator in Energy Storage Technologies

Introduction

Nao Matsumura is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of energy storage technologies, particularly in the development of advanced capacitors. With a total of 14 patents to his name, Matsumura's work has had a substantial impact on the industry.

Latest Patents

Matsumura's latest patents include innovations in lithium-ion capacitors and electrolytic capacitors. In his lithium-ion capacitor design, the positive electrode features a positive current collector and a positive electrode mixture layer that contains a positive electrode active material. The electrostatic capacity of the positive current collector is less than or equal to 20 μF/cm. The negative electrode is composed of a negative current collector and a negative electrode mixture layer, which contains a negative electrode active material. The electrolyte in this design includes a first lithium salt and a second lithium salt, with specific proportions to enhance performance. Additionally, his electrolytic capacitor patent describes a capacitor element that includes an anode body, a dielectric layer, and a solid electrolyte layer, showcasing his innovative approach to energy storage solutions.

Career Highlights

Throughout his career, Matsumura has worked with notable companies such as Panasonic Intellectual Property Management Co., Ltd. and Panasonic Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the field of capacitors.

Collaborations

Matsumura has collaborated with esteemed colleagues, including Yasuyuki Ito and Motohiro Sakata. These partnerships have fostered a creative environment that has led to the development of innovative solutions in energy storage.

Conclusion

Nao Matsumura is a distinguished inventor whose work in energy storage technologies continues to influence the industry. His patents reflect a commitment to innovation and excellence in capacitor design.

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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