Location History:
- Shizuoka-ken, JP (1997)
- Shizuoka, JP (2003)
- Iwata, JP (2006)
- Kuwana, JP (2011 - 2013)
Company Filing History:
5 out of 2,464 
1 out of 1,481 
Years Active: 1997-2013
Title: Kiyotaka Kusunoki: Innovator in Dynamic Bearing Technology
Introduction
Kiyotaka Kusunoki is a notable inventor based in Kuwana, Japan. He has made significant contributions to the field of dynamic bearing devices, holding a total of 5 patents. His work focuses on improving the performance and durability of bearing systems, which are essential components in various mechanical applications.
Latest Patents
Kusunoki's latest patents include a "Dynamic bearing device having a thrust bearing portion." This invention aims to enhance the wear resistance of the thrust bearing portion by generating pressure through the dynamic pressure effect of lubricating oil. The design features a thrust bearing gap that supports a shaft member axially, utilizing a flat thrust receiving surface and an inclined plane on the thrust bearing surface.
Another significant patent is the "Hydrodynamic bearing device," which boasts favorable bearing performance and a long endurance life. This device includes a thrust bearing part with a second thrust surface, where dynamic pressure generating grooves are strategically placed to support an axial member in a non-contact manner. The innovative design is achieved through press working, ensuring precise height regulation between the inner and outer peripheral edges of the dynamic pressure generating groove area.
Career Highlights
Kiyotaka Kusunoki has worked with prominent companies such as NTN Corporation and Nidec Corporation. His experience in these organizations has allowed him to refine his expertise in bearing technology and contribute to advancements in the field.
Collaborations
Kusunoki has collaborated with notable coworkers, including Tatsuya Hayashi and Natsuhiko Mori. Their combined efforts have furthered the development of innovative bearing solutions.
Conclusion
Kiyotaka Kusunoki's contributions to dynamic bearing technology exemplify his dedication to innovation and improvement in mechanical systems. His patents reflect a deep understanding of engineering principles and a commitment to enhancing product performance.