Tanashi, Japan

Youji Takeuchi

This inventor holds 1 USPTO granted patent. Top assignee: Citizen Watch Company, Ltd.. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Youji Takeuchi. Retrieved from https://idiyas.com/inventor/youji-takeuchi-konh3lqi

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 = 3.0

ph-index = 1

Forward Citations = 15(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: Youji Takeuchi: Innovator in Numerical Control Machines

Introduction

Youji Takeuchi is a notable inventor based in Tanashi, Japan. He has made significant contributions to the field of numerical control machines, showcasing his expertise and innovative spirit. His work has led to the development of advanced machinery that enhances precision and efficiency in manufacturing processes.

Latest Patents

One of Takeuchi's key inventions is a numerical control machine. This machine comprises a headstock that rotatably supports a spindle for a workpiece and a tool rest assembly positioned in front of the headstock. The tool rest assembly includes a first pair of tool rests that are disposed on both sides of the longitudinal axis of the headstock spindle. These tool rests are simultaneously movable in a first direction that is perpendicular to the spindle axis. Additionally, there is a second tool rest that can move in both second and third directions, also perpendicular to the spindle axis. The design allows for either the headstock or the tool rest assembly to be movable in a fourth direction along the spindle axis. The movements of these components are controlled by a numerical control unit, ensuring precise operation.

Career Highlights

Youji Takeuchi is associated with Citizen Watch Company, Ltd., where he has applied his innovative ideas to develop cutting-edge technologies. His work has not only contributed to the company's success but has also advanced the field of numerical control machinery.

Collaborations

Throughout his career, Takeuchi has collaborated with talented individuals such as Kenji Sugimoto and Shuichiro Yamashita. These collaborations have fostered an environment of creativity and innovation, leading to the development of groundbreaking technologies.

Conclusion

Youji Takeuchi's contributions to the field of numerical control machines exemplify his dedication to innovation and excellence. His work continues to influence the manufacturing industry, 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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