Inashiki, Japan

Toshikazu Yamaoka

This inventor holds 2 USPTO granted patents and 2 EPO patents. Top assignees: Littelfuse Japan G.k., Fdk Corporation. Active years: 2018-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshikazu Yamaoka. Retrieved from https://idiyas.com/inventor/toshikazu-yamaoka

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

Calculating rank

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.2

ph-index = 1


Company Filing History:


Years Active: 2018-2025

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2 patents (USPTO):Explore Patents

Title: The Innovations of Toshikazu Yamaoka

Introduction

Toshikazu Yamaoka is a notable inventor based in Inashiki, Japan. He has made significant contributions to the field of technology, particularly in the development of protection devices and battery components. With a total of 2 patents to his name, Yamaoka's work reflects his commitment to innovation and engineering excellence.

Latest Patents

Yamaoka's latest patents include a protection device and a positive electrode lead for alkaline secondary batteries. The protection device features a movable arm, a fixed terminal, and a bimetallic member housed within a casing. This design allows the bimetallic member to apply force to the movable arm, ensuring contact between the movable arm and the fixed terminal. His second patent involves a positive electrode lead that consists of two strip-shaped lead half bodies connected to a nickel-hydrogen secondary battery. This lead incorporates a PTC thermistor and a protective member, enhancing the safety and efficiency of the battery.

Career Highlights

Throughout his career, Toshikazu Yamaoka has worked with prominent companies such as Littelfuse Japan G.K. and FDK Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Yamaoka has collaborated with talented individuals in the industry, including Hajime Takahashi and Katsuaki Suzuki. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Toshikazu Yamaoka's contributions to the field of innovation are commendable. His patents demonstrate a deep understanding of technology and a dedication to improving safety and efficiency in electronic devices. His work continues to inspire future generations of inventors and engineers.

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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