Chigasaki, Japan

Masashi Fujiwara

This inventor holds 5 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1998-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masashi Fujiwara. Retrieved from https://idiyas.com/inventor/masashi-fujiwara

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


% Patents Active = 60.0

Average Co-Inventor Count = 5.2

ph-index = 3

Forward Citations = 33(Granted Patents)


Company Filing History:


Years Active: 1998-2005

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5 patents (USPTO):Explore Patents

Title: Masashi Fujiwara: Innovator in Nonaqueous Electrolyte Batteries

Introduction

Masashi Fujiwara is a prominent inventor based in Chigasaki, Japan. He has made significant contributions to the field of battery technology, particularly in the development of nonaqueous electrolyte secondary batteries. With a total of 5 patents to his name, Fujiwara's work is paving the way for advancements in energy storage solutions.

Latest Patents

Fujiwara's latest patents include innovative designs for nonaqueous electrolyte secondary batteries. One notable patent discloses a nonaqueous electrolyte secondary battery that comprises a nonaqueous electrolyte containing ethylene carbonate and γ-butyrolactone. This battery demonstrates a capacity retention rate of at least 85% after 100 charge-discharge cycles when tested under specific conditions. Another patent focuses on a nonaqueous electrolyte secondary battery featuring a carbonaceous material in the negative electrode and a nonaqueous solvent that includes γ-butyrolactone. This design ensures minimal voltage reduction due to self-discharge, even at elevated temperatures.

Career Highlights

Masashi Fujiwara is currently employed at Kabushiki Kaisha Toshiba, where he continues to innovate in the field of battery technology. His work has been instrumental in enhancing the performance and reliability of energy storage systems.

Collaborations

Fujiwara collaborates with talented individuals such as Masahiro Sekino and Asako Satoh, contributing to a dynamic research environment that fosters innovation.

Conclusion

Masashi Fujiwara's contributions to nonaqueous electrolyte battery technology highlight his role as a key inventor in the field. His patents reflect a commitment to advancing energy storage solutions, which are crucial for the future of technology.

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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