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For the Inventor, By the Inventor

Annaka, Japan

Takumi Matsuno

This inventor holds 22 USPTO granted patents and 1 published patent application and 8 EPO patents, primarily in Lithium-Ion Battery Technology. Top assignees: Shin-Etsu Chemical Co., Ltd., Shin-Etsu Chemical C O., Ltd.. Active years: 2017-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takumi Matsuno. Retrieved from https://idiyas.com/inventor/takumi-matsuno

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

USPTO Granted Patents = 22 

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.3

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:

goldMedal21 out of 5,989 
 
Shin-Etsu Chemical Co., Ltd.
 patents
silverMedal1 out of 42 
 
Shin-Etsu Chemical C O., Ltd.
 patents

Years Active: 2017-2025

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Areas of Expertise:
Negative Electrode Active Material
Lithium Ion Secondary Battery
Non-Aqueous Electrolyte
Production Method
Mixed Negative Electrode
Aqueous Negative Electrode Slurry
Negative Electrode Material
Battery Chemistry
22 patents (USPTO):Explore Patents
1. 12424620 - Negative electrode active material, negative electrode and method for producing them (2025-09-23),
2. 12255313 - Negative electrode active material for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and method for producing negative electrode material for non-aqueous electrolyte secondary battery (2025-03-18),
3. 12142758 - Negative electrode active material and method for producing the same (2024-11-12),
4. 12074319 - Negative electrode active material for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and method for producing negative electrode material for non-aqueous electrolyte secondary battery (2024-08-27),
5. 11990603 - Negative electrode material, method of producing the negative electrode material, and mixed negative electrode material (2024-05-21),
6. 11961997 - Negative electrode active material, mixed negative electrode active material, aqueous negative electrode slurry composition, and method for producing negative electrode active material (2024-04-16),
7. 11901545 - Method for producing negative electrode active material particle (2024-02-13),
8. 11594716 - Negative electrode active material, mixed negative electrode active material, and method of producing negative electrode active material (2023-02-28),
9. 11335905 - Negative electrode active material, mixed negative electrode active material, and method of producing negative electrode active material (2022-05-17),
10. 11316152 - Negative electrode active material for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and method for producing negative electrode material for non-aqueous electrolyte secondary battery (2022-04-26),
11. 11316147 - Negative electrode active material, mixed negative electrode active material, negative electrode for nonaqueous electrolyte secondary battery, lithium ion secondary battery, and method for producing negative electrode active material (2022-04-26),
12. 11283060 - Negative electrode active material, mixed negative electrode active material, and method for producing negative electrode active material particle (2022-03-22),
13. 11165058 - Negative electrode active material, mixed negative electrode active material, and method of producing negative electrode active material (2021-11-02),
14. 10998544 - Negative electrode active material, mixed negative electrode active material, and method of producing negative electrode active material (2021-05-04),
15. 10991971 - Negative electrode active material, mixed negative electrode active material, negative electrode for nonaqueous electrolyte secondary battery, lithium ion secondary battery, and, production method of negative electrode active material (2021-04-27),

Title: Takumi Matsuno: Innovator in Negative Electrode Active Materials

Introduction: Takumi Matsuno is a notable inventor based in Annaka, Japan, recognized for his significant contributions to the field of battery technology. With an impressive portfolio of 20 patents, Matsuno's work focuses primarily on advancements in negative electrode materials for batteries, particularly non-aqueous electrolyte secondary batteries.

Latest Patents: Among his latest patents is a groundbreaking negative electrode active material and method for producing the same. This innovative material includes silicon compound particles that enhance the stability of slurries used in batteries while also improving battery capacity through increased initial efficiency. His recent inventions also include a negative electrode active material specifically designed for non-aqueous electrolyte secondary batteries, demonstrating its remarkable stability, high capacity, and favorable cycle characteristics.

Career Highlights: Matsuno has built a remarkable career at Shin-Etsu Chemical Co., Ltd., contributing to the company’s reputation for innovation in chemical manufacturing. His expertise in creating materials that support enhanced battery performance has positioned him as a leading inventor in the fields of energy storage and electric vehicle technology.

Collaborations: Throughout his career, Matsuno has collaborated with esteemed colleagues, including Takakazu Hirose and Kohta Takahashi. These collaborations have fostered an environment of collective innovation, enabling the development of cutting-edge battery technologies.

Conclusion: Takumi Matsuno stands out as an influential figure in the battery technology arena. His pivotal contributions through numerous patents not only reflect his technical ingenuity but also his commitment to advancing energy storage solutions. As the demand for high-performance batteries continues to grow, Matsuno's innovations are likely to play a critical role in shaping the future of 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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