Fukushima, Japan

Takaaki Kimijima

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Sony Corporation. Active years: 2004-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takaaki Kimijima. Retrieved from https://idiyas.com/inventor/takaaki-kimijima

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


% Patents Active = 50.0

 

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 47(Granted Patents)


Company Filing History:


Years Active: 2004-2013

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2 patents (USPTO):Explore Patents

Title: Takaaki Kimijima: Innovator in Battery Technology

Introduction

Takaaki Kimijima is a notable inventor based in Fukushima, Japan. He has made significant contributions to the field of battery technology, holding 2 patents that focus on improving the performance and safety of batteries.

Latest Patents

One of his latest patents is for an electric cell designed to reduce expansion caused by gas emissions when stored at high temperatures. This innovative battery features a flat wound electrode sandwiched between exterior members, with adhesion layers interposed. The adhesion layers are made from materials such as maleated polypropylene, which have specific melting points to enhance performance.

Another significant patent is for a nonaqueous electrolyte secondary battery that prevents short circuits between the positive and negative electrodes. This design ensures safety during manufacturing and usage, even under pressure or stress. The structure includes laminated layers of positive electrodes, gel-type macromolecular solid electrolyte layers, and separators, providing a robust solution for lithium-ion batteries.

Career Highlights

Takaaki Kimijima is currently employed at Sony Corporation, where he continues to innovate in the field of battery technology. His work has contributed to advancements that enhance the efficiency and safety of energy storage solutions.

Collaborations

He has collaborated with notable coworkers such as Tsuyoshi Sugiyama and Norio Mamada, further enriching the innovative environment at Sony Corporation.

Conclusion

Takaaki Kimijima's contributions to battery technology exemplify the importance of innovation in creating safer and more efficient energy solutions. His patents reflect a commitment to advancing technology in a critical area of modern life.

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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