This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignees: Togo Seisakusyo Corporation, Toyota Jidosha Kabushiki Kaisha. Active years: 2020-2021.
Location History:
- Aichi, JP (2020)
- Achi, JP (2021)
Company Filing History:
2 out of 45 
2 out of 38,774 
Years Active: 2020-2021
Title: Hirofumi Kurachi: Innovator in Tolerance Ring Technology
Introduction
Hirofumi Kurachi is a notable inventor based in Achi, Japan. He has made significant contributions to the field of engineering, particularly in the development of tolerance rings and shaft coupling structures. With a total of two patents to his name, Kurachi's work showcases his innovative approach to solving engineering challenges.
Latest Patents
Kurachi's latest patents include a tolerance ring and a shaft coupling structure. The tolerance ring features a cylindrical main body with an inner and outer circumferential surface, along with a plurality of protuberances that protrude outward in a radial direction from the inner surface. This design includes a recess that extends from one end of the main body to at least one of the protuberances, allowing communication with the inside of the protuberance. The shaft coupling structure consists of a shaft, a sleeve into which the shaft is inserted, and a tolerance ring fitted between the outer surface of the shaft and the inner surface of the sleeve. This structure also includes a communication passage connecting the inside and outside of each protuberance.
Career Highlights
Throughout his career, Hirofumi Kurachi has worked with prominent companies such as Togo Seisakusyo Corporation and Toyota Motor Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various engineering projects.
Collaborations
Kurachi has collaborated with talented individuals in his field, including Yuji Nakamura and Akitaka Ichikawa. These partnerships have fostered innovation and creativity in his work.
Conclusion
Hirofumi Kurachi's contributions to tolerance ring technology and shaft coupling structures highlight his innovative spirit and dedication to engineering. His patents reflect a commitment to advancing technology in his field.