Ageo, Japan

Yasuaki Mashiko

This inventor holds 2 USPTO granted patents. Top assignee: Mitsui Minings & Melting Co., Ltd.. Active years: 2002-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuaki Mashiko. Retrieved from https://idiyas.com/inventor/yasuaki-mashiko

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 40(Granted Patents)


Company Filing History:


Years Active: 2002-2005

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2 patents (USPTO):Explore Patents

Title: Yasuaki Mashiko: Innovator in Capacitor Layer Technology

Introduction

Yasuaki Mashiko is a prominent inventor based in Ageo, Japan. He has made significant contributions to the field of electronics, particularly in the development of materials for printed wiring boards. With a total of 2 patents, his work focuses on enhancing the performance and efficiency of electronic components.

Latest Patents

Mashiko's latest patents include innovations in laminate technology for forming capacitor layers. One of his notable inventions is a laminate designed to ensure higher capacitance for printed wiring boards. This invention utilizes a three-layered structure comprising an aluminum layer, a modified alumina barrier layer, and an electrode copper layer. The modified alumina barrier layer is created through anodic treatment, which forms a uniform oxide layer, enhancing the dielectric properties of the laminate.

Another significant patent involves a process for producing electrodeposited copper foil with a prepared surface. This process includes mechanical polishing followed by selective chemical polishing, resulting in a matte side with improved surface properties. The advancements in this technology enable the production of printed wiring boards and multilayer laminates with exceptional performance characteristics.

Career Highlights

Yasuaki Mashiko is associated with Mitsui Mining & Smelting Company, Ltd., where he continues to innovate in the field of electronic materials. His work has been instrumental in advancing the capabilities of printed wiring boards, making them more efficient and reliable for various applications.

Collaborations

Mashiko has collaborated with notable colleagues, including Masakazu Mitsuhashi and Hitoshi Kurabe. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies in the electronics sector.

Conclusion

Yasuaki Mashiko's contributions to capacitor layer technology and electrodeposited copper foil production highlight his role as a key innovator in the electronics industry. His patents reflect a commitment to enhancing the performance of electronic components, paving the way for future advancements.

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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