This inventor holds 1 USPTO granted patent. Top assignees: Tpr Inc., Tpr Industry Co., 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 5 
1 out of 3 Years Active: 2026
Title: Koji Okuyama: Innovator in Workpiece Retaining Devices
Introduction
Koji Okuyama is a notable inventor based in Yamagata, Japan. He has made significant contributions to the field of engineering, particularly with his innovative workpiece retaining device. His invention showcases his expertise and dedication to advancing technology.
Latest Patents
Okuyama holds a patent for a workpiece retaining device. This device is designed to retain a cylindrical workpiece by securing the axial-directional end portion. The workpiece retaining device includes a core member that contacts the inner perimeter face of the retained portion, a pressing member that applies pressure to the outer perimeter face, and an aligning member that allows for radial movement in response to the pressing force. This invention demonstrates Okuyama's ability to solve complex engineering challenges.
Career Highlights
Throughout his career, Koji Okuyama has worked with various companies, including Tpr Inc. and Tpr Industry Co., Ltd. His experience in these organizations has contributed to his development as an inventor and has provided him with valuable insights into the industry.
Collaborations
One of Okuyama's notable collaborators is Hideki Aizawa. Their partnership has likely fostered innovation and creativity in their respective projects.
Conclusion
Koji Okuyama is a distinguished inventor whose work in developing a workpiece retaining device highlights his innovative spirit and technical expertise. His contributions to engineering continue to impact the industry positively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile