Kawasaki, Japan

Tokiji Shimajiri

This inventor holds 6 USPTO granted patents. Top assignees: Fujitsu Fanuc Limited, A. Aoki & Associates. Active years: 1979-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tokiji Shimajiri. Retrieved from https://idiyas.com/inventor/tokiji-shimajiri

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 = 2.7

ph-index = 6

Forward Citations = 98(Granted Patents)


Company Filing History:


Years Active: 1979-1982

Loading Chart...
6 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Tokiji Shimajiri

Introduction

Tokiji Shimajiri is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of machining technology, holding a total of six patents. His work focuses on enhancing the efficiency and functionality of machining centers and indexing table assemblies.

Latest Patents

One of his latest patents is the "Automatic Tool Changer of Machining Center." This invention features a vertical-type machining center equipped with a spindle carrier that travels vertically. It includes a turret capable of both rotation and upward and downward movement, allowing for automatic tool changes through the turret's rotation. The design incorporates a Z-axis position pulse generator that aids in computing the vertical position of the spindle mechanism, optimizing its speed for various operations.

Another significant patent is the "Index Table Assembly." This assembly is designed for mounting on machine tools and includes first and second screw elements that are coaxially engaged. The assembly features mechanisms for moving the first screw element and preventing the second screw element from exceeding a predetermined range. The design also includes a control valve for managing the flow of pressurized fluid, which facilitates the movement of the first screw element in both directions.

Career Highlights

Throughout his career, Tokiji Shimajiri has worked with prominent companies such as Fujitsu Fanuc Limited and A. Aoki & Associates. His experience in these organizations has contributed to his expertise in machining technologies and innovations.

Collaborations

He has collaborated with notable individuals in the industry, including Kenichi Toyoda and Seiuemon Inaba. These partnerships have likely influenced his work and contributed to the development of his patents.

Conclusion

Tokiji Shimajiri's contributions to machining technology through his innovative patents demonstrate his expertise and commitment to advancing the field. His work continues to impact the industry positively.

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]
Loading…