This inventor holds 8 USPTO granted patents and 2 EPO patents. Top assignees: Tokai Rubber Industries, Ltd., Nissan Motor Company Limited, Sumitomo Riko Company Limited. Active years: 2000-2015.
Company Filing History:
7 out of 720 
2 out of 13,420 
1 out of 371 
Years Active: 2000-2015
Title: Jyoji Tsutsumida: Innovator in Vibration Damping Technology
Introduction
Jyoji Tsutsumida is a notable inventor based in Komaki, Japan. He has made significant contributions to the field of vibration damping technology, holding a total of 8 patents. His innovative designs have been instrumental in enhancing the performance and reliability of various mechanical systems.
Latest Patents
One of Tsutsumida's latest patents is a fluid-filled type vibration damping device and its manufacturing method. This device includes a base component and a tubular mating component, which is externally fitted onto the base component using a diameter-constricting caulking method. A sealing rubber is clasped between the components to create a mate-fastened portion. The tubular mating component extends axially outward beyond the sealed section, providing a caulking tube portion. The positioning of the tubular mating component is determined by contact with a positioning projection on the base component, ensuring precise alignment. Another significant patent is the stopper structure of a torque rod. In this design, a second bush of the torque rod is fastened such that a mating fastening member sandwiches an inner fitting in the axial direction. A rubber stopper is provided, which increases in thickness toward the front end, allowing for effective damping and support.
Career Highlights
Throughout his career, Jyoji Tsutsumida has worked with prominent companies such as Tokai Rubber Industries, Ltd. and Nissan Motor Company Limited. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Tsutsumida has collaborated with notable coworkers, including Noboru Arakawa and Satoshi Umemura. Their combined expertise has fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Jyoji Tsutsumida's contributions to vibration damping technology exemplify his innovative spirit and dedication to engineering excellence. His patents reflect a deep understanding of mechanical systems and a commitment to improving their functionality.