Hitachinaka, Japan

Takuro Tsunaki

This inventor holds 16 USPTO granted patents and 9 published patent applications and 4 EPO patents. Top assignees: Hitachi Automotive Systems, Ltd., Hitachi Vehicle Energy, Ltd., Vehicle Energy Japan Inc.. Active years: 2011-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takuro Tsunaki. Retrieved from https://idiyas.com/inventor/takuro-tsunaki

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

USPTO Granted Patents = 16 

% Patents Active = 87.5

 

Average Co-Inventor Count = 4.0

ph-index = 6

Forward Citations = 90(Granted Patents)


Location History:

  • Mito, JP (2011 - 2016)
  • Hitachinaka, JP (2016 - 2022)
  • Ibaraki, JP (2023)

Company Filing History:


Years Active: 2011-2023

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16 patents (USPTO):Explore Patents

Title: Inventor Takuro Tsunaki: A Pioneer in Battery Technology

Introduction

Takuro Tsunaki, based in Hitachinaka, Japan, is a distinguished inventor known for his significant contributions to battery technology. With a total of 16 patents to his name, Tsunaki's innovations focus on enhancing the performance and reliability of secondary batteries, addressing critical challenges such as vibration resistance and current cut-off mechanisms.

Latest Patents

Tsunaki's latest advancements include a rectangular secondary battery designed to improve rigidity against vibrations and impacts. This intricate design features a flat-shaped electrode group, a current-collecting plate, and a carefully engineered battery case that ensures durability. Additionally, Tsunaki has developed a secondary battery equipped with a current cut-off mechanism that activates during pressure increases within the battery container. This battery employs a diaphragm that effectively cuts off current, further emphasizing safety and reliability.

Career Highlights

Throughout his career, Takuro Tsunaki has been associated with reputable companies, such as Hitachi Automotive Systems and Hitachi Vehicle Energy. His work in these organizations has allowed him to pioneer innovative battery solutions that have implications in various electronic and automotive applications.

Collaborations

In his journey as an inventor, Tsunaki has collaborated with notable peers including Kazuaki Urano and Keisuke Sawada. These partnerships have fostered a creative environment that has led to the development of cutting-edge battery technologies, further establishing Tsunaki as a key figure in the field.

Conclusion

Takuro Tsunaki's dedication to advancing battery technology showcases his ingenuity and commitment to improving energy storage solutions. With his innovative designs and robust patents, he continues to play a pivotal role in shaping the future of battery technology, ensuring that it meets the demands of modern applications.

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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