Osaka, Japan

Shigeo Ezaki

This inventor holds 6 USPTO granted patents. Top assignees: Sumitomo Electric Industries, Limited, Tokyo Tungsten Co., Ltd.. Active years: 1987-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeo Ezaki. Retrieved from https://idiyas.com/inventor/shigeo-ezaki

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 = 3.4

ph-index = 3

Forward Citations = 18(Granted Patents)


Location History:

  • Takatsuki, JP (1987)
  • Osaka, JP (1991 - 2001)

Company Filing History:


Years Active: 1987-2001

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6 patents (USPTO):Explore Patents

Title: Shigeo Ezaki: Innovating Wire Electro-Discharge Machining

Introduction

Shigeo Ezaki, an accomplished inventor hailing from Osaka, Japan, has made significant contributions to the field of electro-discharge machining. With a total of six patents to his name, Ezaki continues to push the boundaries of innovation in manufacturing processes.

Latest Patents

Among his latest patents, Ezaki has developed a wire electrode for electro-discharge machining, which includes a core and a specially designed coating layer. This coating layer is composed of an alloy of copper, with the copper content ranging from approximately 55.5 wt % to about 75 wt %, and incorporates elements such as Zn, Cs, Se, Te, and Mg. Notably, the coating layer is designed to avoid any oxide film beyond the natural oxide film. Additionally, he has conceptualized a wire electrode that not only enhances processing speed but also boosts productivity, featuring a core made of a copper alloy containing silver with an outer coating of zinc and aluminum alloy.

Career Highlights

Ezaki has had a remarkable career, working with esteemed companies such as Sumitomo Electric Industries, Limited and Tokyo Tungsten Co., Ltd. His expertise and innovation in electro-discharge machining have positioned him as a significant figure in the industry, contributing to advancements in manufacturing efficiency.

Collaborations

Throughout his career, Shigeo Ezaki has collaborated with talented individuals like Kazuo Sawada and Kenji Miyazaki. These collaborations have not only expanded his horizons but have also enriched the technological advancements they have pursued together.

Conclusion

Shigeo Ezaki's contributions to electro-discharge machining demonstrate his commitment to innovation and excellence. With his array of patents and collaborative efforts, he exemplifies the impact of dedicated inventors in shaping the future of the manufacturing industry. His work continues to inspire new generations of engineers and 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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