Ibaragi, undefined

Michio Matsuoka

This inventor holds 1 USPTO granted patent. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1976.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Michio Matsuoka. Retrieved from https://idiyas.com/inventor/michio-matsuoka-96nvhl3c

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 = 4.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1976

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1 patent (USPTO):Explore Patents

Title: Michio Matsuoka: Innovator in Voltage-Dependent Resistors

Introduction

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

Latest Patents

Matsuoka holds a patent for a voltage-dependent resistor. This invention comprises a sintered body primarily made of ZnO, with various additives including bismuth oxide (Bi₂O₃), cobalt oxide (CoO), manganese oxide (MnO), aluminum oxide (Al₂O₃), gallium oxide (Ga₂O₃), and indium oxide (In₂O₃). The design features electrodes applied to the opposite surfaces of the sintered body. This voltage-dependent resistor is characterized by a low C-value, a high n-value, significant power dissipation for surge energy, and excellent stability under high D.C. loads. Additional additives such as titanium oxide (TiO₂), chromium oxide (Cr₂O₃), and nickel oxide (NiO) enhance the voltage-dependent properties of the sintered body.

Career Highlights

Matsuoka is associated with Matsushita Electric Industrial Co., Ltd., a leading company in the electronics industry. His work has significantly impacted the development of reliable electronic components, contributing to the advancement of various technologies.

Collaborations

Matsuoka has collaborated with notable colleagues, including Mikio Matsuura and Nobuji Nishi. Their combined expertise has fostered innovation and development in their respective fields.

Conclusion

Michio Matsuoka's contributions to the field of voltage-dependent resistors exemplify his innovative spirit and dedication to advancing technology. His work continues to influence the electronics industry, showcasing the importance of research and development in creating efficient 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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