Company Filing History:
8 out of 2,433 
6 out of 355 
1 out of 3 Years Active: 1978-2002
Title: Mikio Yamaguchi: Innovator in Electric Drive Devices and Steering Apparatuses
Introduction
Mikio Yamaguchi is a prominent inventor based in Takasaki, Japan. He holds a total of 16 patents, showcasing his significant contributions to the fields of electric drive devices and steering apparatuses. His innovative designs have made a notable impact on automotive technology.
Latest Patents
One of Yamaguchi's latest patents is an electric drive device for transmission. This device is designed to be compact and simple, making it suitable for small-sized vehicles, such as passenger cars. The electric driving device operates through a shift shaft that performs selecting and shifting operations via axial displacement and rotation. The axial displacement is achieved by rocking a rocking arm with a first actuator, while the rotation is facilitated by a second actuator that pushes or pulls the rocking arm. This innovative design allows for efficient installation in smaller vehicles.
Another significant patent is the tilt type steering apparatus. This apparatus minimizes the downward protrusion of the front end of the rear steering column, preventing interference with the driver's knees. It features a first lateral shaft that connects the front and rear steering columns, and a second lateral shaft that is rockable about the first. An engagement member, pivotally supported by the second lateral shaft, includes meshing teeth that engage and disengage through the rocking movement of a tilt lever. This design enhances the functionality and comfort of steering systems in vehicles.
Career Highlights
Throughout his career, Mikio Yamaguchi has worked with notable companies, including NSK Corporation and Nippon Seiko Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in developing innovative automotive technologies.
Collaborations
Yamaguchi has collaborated with talented individuals in the industry, including Sakae Matsumoto and Hiroshi Sekine. These collaborations have fostered a creative environment that has led to the development of groundbreaking inventions.
Conclusion
Mikio Yamaguchi's contributions to the automotive industry through his patents and innovative designs have established him as a key figure in the field. His work continues to influence the development of efficient and user-friendly vehicle technologies.