Location History:
- Kanagawa, JP (1995 - 2002)
- Ashigarakami-gun, JP (2002 - 2005)
Company Filing History:
9 out of 2,430 
1 out of 832,680 Years Active: 1995-2005
Title: Kazuo Sekino: Innovator in Rolling Bearing Technology
Introduction
Kazuo Sekino is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of rolling bearing technology, holding a total of 10 patents. His innovative designs have improved the performance and durability of bearings used in various applications.
Latest Patents
One of his latest patents is a full complement angular ball bearing that operates without a cage. This design features a contact angle ranging from 10 to 45 degrees and an increased number of balls, making it suitable for severe conditions. The longevity of this bearing is enhanced by carefully defining the surface roughness of both the inner and outer rings, as well as the roughness ratio relative to the rolling element. Additionally, the patent specifies the chromium content in the alloy steel used for the rolling element and suggests forming the rolling element with oxide ceramics. It also emphasizes the importance of avoiding particles larger than 3 micrometers on the raceway surfaces and recommends coating the rolling element with a film that has a hardness exceeding that of the raceway surfaces.
Another notable patent involves a bearing member made from a steel material containing specific percentages of carbon, silicon, molybdenum, chromium, and oxygen. This design undergoes carbonitriding followed by quenching and tempering to achieve optimal carbon and nitrogen concentrations on the steel surface.
Career Highlights
Kazuo Sekino has worked with notable companies, including NSK Corporation, where he has applied his expertise in rolling bearing technology. His work has significantly impacted the industry, leading to advancements in bearing design and functionality.
Collaborations
Throughout his career, Sekino has collaborated with esteemed colleagues such as Yasuo Murakami and Nobuaki Mitamura. These partnerships have fostered innovation and contributed to the development of cutting-edge technologies in the field.
Conclusion
Kazuo Sekino's contributions to rolling bearing technology exemplify his dedication to innovation and excellence. His patents reflect a deep understanding of material science and engineering principles, making him a key figure in the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.