Location History:
- Shizuoka, JP (2005)
- Fuji, JP (2011)
Company Filing History:
Years Active: 2005-2011
Title: Tsuyoshi Sugihara: Innovator in Gear Mechanism Technology
Introduction
Tsuyoshi Sugihara is a notable inventor based in Fuji, Japan. He has made significant contributions to the field of gear mechanisms, holding a total of 2 patents. His work focuses on enhancing the efficiency and design of planetary gear systems.
Latest Patents
One of Sugihara's latest patents is a lubricating structure of a planetary gear mechanism. This innovation simplifies the outer shape of an oil catch plate, which is essential for introducing lubricating oil. It ensures a high degree of design freedom while maintaining effective lubrication. In a double pinion type planetary gear mechanism, the distances from the axis of a carrier to the openings in the lubricating oil introducing holes are equal, allowing for consistent oil supply to both the inner and outer diameter side pinion shafts. This design enhances the overall functionality of the mechanism.
Another significant patent is related to a speed change mechanism of an automatic transmission. This invention features a first planetary gear unit that converts input rotation to a lower output rotation. It includes a first unit with second and third planetary gear units, providing the output shaft with seven types of rotation corresponding to six forward speeds and one reverse position. The design incorporates a double ring type planetary gear unit, which is meshed with the sun gear and inside and outside ring gears, ensuring efficient power transmission.
Career Highlights
Sugihara is currently employed at Jatco Corporation, where he continues to innovate in the field of automotive transmission systems. His work has been instrumental in advancing the technology used in modern vehicles.
Collaborations
Throughout his career, Sugihara has collaborated with notable colleagues, including Toshio Yamaguchi and Kazuo Oguri. These partnerships have contributed to the development of cutting-edge technologies in gear mechanisms.
Conclusion
Tsuyoshi Sugihara's contributions to gear mechanism technology demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of mechanical design and functionality, making him a valuable figure in the field.