Tokyo, Japan

Yohtaro Toyoshima

This inventor holds 1 USPTO granted patent. Top assignees: Ngk Spark Plug Company, Limited, Tdk Electronics Company, Limited. Active years: 1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yohtaro Toyoshima. Retrieved from https://idiyas.com/inventor/yohtaro-toyoshima

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1984

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1 patent (USPTO):Explore Patents

Title: Yohtaro Toyoshima: Innovator in High Frequency Coil Technology

Introduction

Yohtaro Toyoshima is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of high frequency coils. His innovative designs have paved the way for advancements in various electronic applications.

Latest Patents

Toyoshima holds a patent for a high frequency coil. This invention includes an inductance device formed by fitting a pair of electrode caps at both ends of a ferrite magnetic core, which is wound by a winding on the peripheral surface of the core. Additionally, it features a heat resistant electric insulating coated layer formed on the peripheral surface of the inductance device, along with a heat resistant electric insulating resilient tube fitted onto the peripheral surface of the coated inductance device. This patent showcases his expertise in creating efficient and durable electronic components.

Career Highlights

Throughout his career, Toyoshima has worked with prominent companies such as NGK Spark Plug Company, Limited and TDK Electronics Company, Limited. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in the electronics sector.

Collaborations

Some of Toyoshima's notable coworkers include Minoru Uchida and Yasuhiro Sasaki. Their collaboration has likely fostered an environment of creativity and innovation, leading to advancements in their respective fields.

Conclusion

Yohtaro Toyoshima is a distinguished inventor whose work in high frequency coil technology has made a lasting impact on the electronics industry. His innovative spirit and dedication to engineering continue to inspire future generations of inventors.

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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