This inventor holds 1 USPTO granted patent. Top assignee: Nsk Corporation. Active years: 2023.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2023
Title: Masaki Chishima: Innovator in Tapered Roller Bearings
Introduction
Masaki Chishima is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the design and functionality of tapered roller bearings. His innovative approach has led to advancements that enhance the performance and reliability of these essential components.
Latest Patents
Masaki Chishima holds a patent for a tapered roller bearing. This invention focuses on optimizing the surface roughness of the rolling surface and end surfaces of the tapered roller. The specific parameters include a protruding mountain portion height Rpk of 0.02 to 0.17 μm, a core portion level difference Rk of 0.12 to 0.21 μm, and a protruding valley portion height Rvk of 0.07 to 0.43 μm. Additionally, the average recessed portion area in the fine irregularities on the surface is maintained at 5 μm or less. These improvements significantly enhance oil film formability under dilute lubrication, reduce the decline in lubricating oil viscosity, and minimize surface damage at rolling contact parts.
Career Highlights
Masaki Chishima is associated with NSK Corporation, a leading company in the manufacturing of bearings and precision machinery. His work has been instrumental in advancing the technology behind tapered roller bearings, contributing to the overall efficiency and effectiveness of various mechanical systems.
Collaborations
Masaki Chishima has collaborated with notable colleagues such as Hiroaki Yamanaka and Hiroyuki Ohshima. Their combined expertise has fostered innovation and development in the field of mechanical engineering.
Conclusion
Masaki Chishima's contributions to the design of tapered roller bearings exemplify the importance of innovation in engineering. His patent reflects a commitment to improving mechanical performance and reliability. Through his work at NSK Corporation and collaborations with esteemed colleagues, he continues to influence the industry positively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile