Location History:
- Shizuoka-ken, JP (2001)
- Iwata, JP (2010)
Company Filing History:
4 out of 2,464 
1 out of 5,125 
Years Active: 2001-2010
Title: The Innovative Contributions of Yoshihiko Hayama
Introduction
Yoshihiko Hayama is a notable inventor based in Iwata, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the development of advanced automotive components. With a total of 4 patents to his name, Hayama's work has had a lasting impact on the industry.
Latest Patents
One of Hayama's latest patents is the "Cross groove constant velocity universal joint." This invention is designed for the drive shaft or propeller shaft of automotive vehicles. It features an inner ring and an outer ring, each equipped with ball grooves that are alternately slanted in opposite directions. The torque transmission balls are strategically positioned at the crossing area of these grooves, allowing for efficient torque transfer. The design includes a cage to retain the balls, with a specific crossing angle for optimal performance.
Another significant patent is the "Shaft coupling," which consists of plates fitted on the ends of input and output shafts. The opposed surfaces of these plates contain a plurality of guide grooves that extend perpendicular to each other. Steel balls are placed between the guide grooves, enabling smooth power transmission with minimal friction. This innovative design allows for easy adjustment of the offset amount, enhancing the coupling's functionality.
Career Highlights
Throughout his career, Yoshihiko Hayama has worked with prominent companies such as NTN Corporation and Bridgestone Corporation. His experience in these organizations has contributed to his expertise in developing cutting-edge technologies in the automotive sector.
Collaborations
Hayama has collaborated with notable coworkers, including Haruo Nagatani and Takashi Nozaki. Their combined efforts have led to advancements in various mechanical systems and components.
Conclusion
Yoshihiko Hayama's innovative contributions to automotive engineering, particularly through his patents, demonstrate his commitment to enhancing vehicle performance and efficiency. His work continues to influence the industry and inspire future innovations.