logo

For the Inventor, By the Inventor

Osaka, Japan

Takayuki Nakatsutsumi

This inventor holds 19 USPTO granted patents and 13 published patent applications and 2 EPO patents, primarily in Battery Technology. Top assignees: Panasonic Intellectual Property Management Co., Ltd., Panasonic Intellectual Property Managment Co., Ltd., Panasonic Corporation. Active years: 2017-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takayuki Nakatsutsumi. Retrieved from https://idiyas.com/inventor/takayuki-nakatsutsumi

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

Calculating rank
USPTO Granted Patents = 19 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.4

ph-index = 3

Forward Citations = 24(Granted Patents)


Company Filing History:

goldMedal15 out of 13,338 
 
Panasonic Intellectual Property Management Co., Ltd.
 patents
silverMedal3 out of 612 
 
Panasonic Intellectual Property Managment Co., Ltd.
 patents
bronzeMedal1 out of 16,454 
 
Panasonic Corporation
 patents

Years Active: 2017-2026

Loading Chart...
Loading Chart...
Areas of Expertise:
Alkali Dry Cell
Alkaline Dry Battery
Lithium Primary Battery
Liquid Non-Aqueous Electrolyte
Secondary Battery
Electrolyte Solution
Negative-Electrode Active Material
Non-Aqueous Secondary Battery
Rechargeable Battery
Sodium Secondary Battery
19 patents (USPTO):Explore Patents
1. 12706309 - Alkali dry cell (2026-08-11),
2. 12603272 - Alkaline dry battery (2026-04-14),
3. 12592395 - Lithium primary battery and liquid non-aqueous electrolyte for lithium primary battery (2026-03-31),
4. 11894521 - Secondary battery (2024-02-06),
5. 11876253 - Alkali dry battery comprising electrolyte including sulfonyl group-containing anion (2024-01-16),
6. 11799067 - Battery (2023-10-24),
7. 11721800 - Battery (2023-08-08),
8. 11710816 - Battery (2023-07-25),
9. 11646446 - Rechargeable battery and electrolyte solution (2023-05-09),
10. 10833315 - Battery (2020-11-10),
11. 10818912 - Battery (2020-10-27),
12. 10811672 - Battery (2020-10-20),
13. 10559846 - Negative-electrode active material for non-aqueous secondary battery and non-aqueous secondary battery (2020-02-11),
14. 10497967 - Negative-electrode active material for non-aqueous secondary battery and non-aqueous secondary battery (2019-12-03),
15. 10153512 - Electrolyte solution and battery (2018-12-11),

Title: Takayuki Nakatsutsumi: Innovator in Battery Technology

Introduction

Takayuki Nakatsutsumi is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of battery technology, holding a total of 16 patents. His innovative work focuses on enhancing the performance and efficiency of secondary and alkaline dry batteries.

Latest Patents

One of Nakatsutsumi's latest patents involves a secondary battery that features a negative electrode containing a lithium silicate phase and silicon particles. This design is complemented by an electrolytic solution that includes a fluorine-containing linear carboxylic acid ester. Another notable patent is for an alkaline dry battery, which comprises a positive electrode made of manganese dioxide, a negative electrode containing zinc or a zinc alloy, and an alkaline electrolyte that includes sulfonyl group-containing anions.

Career Highlights

Throughout his career, Nakatsutsumi has worked with notable companies such as Panasonic Intellectual Property Management Co., Ltd. and Panasonic Corporation. His expertise in battery technology has positioned him as a key figure in the development of advanced energy storage solutions.

Collaborations

He has collaborated with esteemed colleagues, including Nobuhiko Hojo and Ryuichi Natsui, to further enhance the innovation landscape in battery technology.

Conclusion

Takayuki Nakatsutsumi's contributions to battery technology through his numerous patents highlight his role as a leading inventor in the field. His work continues to influence advancements in 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]
Loading…