Location History:
- Ozu-shi, Ehime-ken, JP (2002)
- Osaka, JP (2004)
- Yamatokoriyama, JP (2008 - 2014)
Company Filing History:
4 out of 2,421 
4 out of 10 
2 out of 832,912 Years Active: 2002-2014
Title: Kazutoshi Yamamoto: A Trailblazer in Sealing Device Innovations
Introduction
Kazutoshi Yamamoto, based in Yamatokoriyama, Japan, is an accomplished inventor with a remarkable portfolio of 7 patents. His contributions primarily focus on sealing devices and rolling bearings, showcasing his expertise in mechanical engineering and material science.
Latest Patents
Yamamoto's recent innovations include a sealing device, a rolling bearing, and a specialized rolling bearing for wheels. The sealing device features a unique design where the bottom of an axial concave portion in an elastic member forms a radial lip that overlaps with a core metal member. This innovation allows for enhanced sealing efficiency, essential in various mechanical applications. Additionally, he has developed a sealing device that controls the adhesion of the elastic member, reducing the coefficient of friction against members sliding against it, thereby improving performance. The elastic member in this invention is crafted from a rubber composition containing a metal soap, an organic acid amide, and oil-containing particles, signifying a significant advancement in material formulation.
Career Highlights
Throughout his impressive career, Kazutoshi Yamamoto has contributed his expertise to esteemed companies such as JTEKT Corporation and Koyo Sealing Techno Co., Ltd. His work has significantly advanced the field of mechanical components, particularly in enhancing the functionality and durability of sealing devices.
Collaborations
Yamamoto’s collaborations with colleagues like Masahiro Tabata and Kazunori Hayashida have further propelled his innovative work. These partnerships have fostered a creative environment that facilitates the development of cutting-edge solutions in mechanical engineering.
Conclusion
Kazutoshi Yamamoto is a notable figure in the realm of innovations, particularly in sealing devices and rolling bearings. His inventive spirit and collaborative efforts have led to significant advancements in the industry, making substantial contributions that enhance machinery efficiency and reliability. As he continues to push the boundaries of engineering, his work serves as an inspiration for aspiring inventors and engineers around the world.