Location History:
- Iwata, JP (1992 - 2005)
- Shizuoka-ken, JP (2001 - 2005)
- Shizuoka, JP (2004 - 2007)
Company Filing History:
11 out of 2,464 
1 out of 832,912 Years Active: 1992-2007
Title: Haruo Nagatani: Innovator in Constant Velocity Universal Joints
Introduction
Haruo Nagatani is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the design of constant velocity universal joints. With a total of 12 patents to his name, Nagatani's work has had a lasting impact on automotive technology.
Latest Patents
Nagatani's latest patents include innovative designs for tripod type constant velocity universal joints. One of his notable inventions features an outer ring with three axially-extending track grooves, which accommodates a tripod member with trunnions that extend into the grooves. This design incorporates guide blocks supported on the trunnions, with rolling elements positioned in raceway grooves on either side of each guide block. The mechanism is designed to restrict the movement of retainers, ensuring optimal performance. Another patent focuses on a single roller type tripod joint that operates effectively at high angles, minimizing vibration and maintaining cost efficiency.
Career Highlights
Throughout his career, Nagatani has worked with reputable companies, including NTN Corporation. His expertise in mechanical design and engineering has led to advancements in the functionality and reliability of universal joints used in various vehicles.
Collaborations
Nagatani has collaborated with notable colleagues such as Tatsuro Sugiyama and Yoshihiko Hayama. Their combined efforts have contributed to the development of innovative solutions in the field of automotive engineering.
Conclusion
Haruo Nagatani's contributions to the design of constant velocity universal joints exemplify his innovative spirit and dedication to engineering excellence. His patents continue to influence the automotive industry, showcasing the importance of creativity and collaboration in technological advancements.