Ibaraki, Japan

Matsuoka Michio

This inventor holds 1 USPTO granted patent. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Matsuoka Michio. Retrieved from https://idiyas.com/inventor/matsuoka-michio

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 = 6.0

ph-index = 1

Forward Citations = 23(Granted Patents)


Company Filing History:


Years Active: 1979

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1 patent (USPTO):Explore Patents

Title: Matsuoka Michio: Innovator in Voltage-Dependent Resistors

Introduction

Matsuoka Michio is a notable inventor based in Ibaragi, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of voltage-dependent resistors. His innovative work has led to advancements that enhance the performance and reliability of electronic components.

Latest Patents

Matsuoka holds a patent for a voltage-dependent resistor and the method of making the same. This invention features a sintered body primarily composed of ZnO, with specific additives. Notably, at least 10 weight percent of the ZnO consists of grains sized between 100 to 500 microns. The manufacturing process involves a starting mixture of ZnO grains with a grain size ranging from 20 to 200 microns. This design results in a voltage-dependent resistor that boasts a low C-value and a high surge energy withstanding capability. Additionally, it exhibits low leakage current at elevated temperatures due to the incorporation of an antimony component as a spinel type polycrystalline Zn₇/₃Sb₂/₃O₄.

Career Highlights

Matsuoka Michio is associated with Matsushita Electric Industrial Co., Ltd., a prominent company in the electronics sector. His work has been instrumental in advancing the technology behind voltage-dependent resistors, contributing to the overall efficiency and effectiveness of electronic devices.

Collaborations

Matsuoka has collaborated with notable colleagues, including Kazuo Eda and Makino Osamu. Their combined expertise has fostered innovation and development in their respective fields.

Conclusion

Matsuoka Michio's contributions to the field of voltage-dependent resistors exemplify his innovative spirit and dedication to advancing technology. His patent reflects a significant achievement in electrical engineering, showcasing the potential for improved electronic components.

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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