This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignees: Citizen Machinery Co., Ltd., Citizen Watch Company, Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 3 
1 out of 2,004 
Years Active: 2026
Title: Katsuki Shimizu: Inventor of a Machine Tool Design
Introduction
Katsuki Shimizu is an inventor associated with Kitasaku-gun, Japan. His work includes a patented machine-tool design, and his professional affiliations include Citizen Watch Company, Ltd. and Citizen Machinery Co., Ltd.
Latest Patents
Shimizu is credited with 1 patent, titled “Machine tool.” The invention describes a machine tool with a spindle mounted on a bed to grip a workpiece, along with two intersecting slide mechanisms that position a tool post for machining. A cover encloses the spindle, slide mechanisms, and tool post, while a controller operates the machine.
Career Highlights
Shimizu’s listed company affiliations are Citizen Watch Company, Ltd. and Citizen Machinery Co., Ltd. The available information does not specify his roles or the dates of his work with these companies.
Collaborations
His listed coworkers include Nobuyasu Kon and Takanori Shinohara. The available information does not detail the projects or specific collaborations among them.
Conclusion
Katsuki Shimizu’s recorded contribution is a machine-tool invention that combines coordinated slide mechanisms, a tool post, an enclosure, and a controller for machining workpieces.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile