This inventor holds 6 USPTO granted patents. Top assignees: Sumitomo Electric Industries, Limited, Tokyo Tungsten Co., Ltd.. Active years: 1987-2001.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Takatsuki, JP (1987)
- Osaka, JP (1991 - 2001)
Company Filing History:

Years Active: 1987-2001
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.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile