Fumio Sato is a notable inventor based in Tochigi, Japan. He has made significant contributions to the field of automotive engineering, particularly in the design and functionality of camshafts. With a total of 7 patents to his name, Sato's work has had a lasting impact on the industry.

Latest Patents

One of Sato's latest inventions is a camshaft designed to suppress an increase in the number of parts and processing locations. This innovation prevents scratching on the sliding surface of the outer shaft, where the inner cam rotates, and mitigates deformation in the entire camshaft after final assembly. The camshaft features an inner cam that is attached radially to the outer shaft and is secured to an inner shaft with a pin.

Another significant patent involves a honing method and an inner cam with a C-shaped cross-section. This inner cam has a precisely ground inner circumferential surface, which includes a discontinuous portion. The honing method consists of a fixing step and a grinding step, where multiple inner cams are stacked and their inner circumferential surfaces are ground to achieve high precision.

Career Highlights

Fumio Sato is currently employed at Honda Motor Co., Ltd., where he continues to innovate and develop advanced automotive technologies. His work has been instrumental in enhancing the performance and reliability of engine components.

Collaborations

Sato has collaborated with notable colleagues, including Koji Saito and Hiroshi Takeda, contributing to various projects that push the boundaries of automotive engineering.

Conclusion

Fumio Sato's contributions to camshaft technology and automotive engineering exemplify his dedication to innovation. His patents reflect a commitment to improving performance and efficiency in the automotive industry.

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