Company Filing History:
2 out of 2,028 
2 out of 10 Years Active: 2013-2016
Title: The Innovative Mind of Keigo Yoshida
Introduction
Keigo Yoshida, a distinguished inventor based in Atsugi, Japan, has made significant contributions to the field of engineering, particularly through his work on aluminum alloy components. With a portfolio of four patents, Yoshida’s innovations demonstrate his commitment to advancing manufacturing technologies.
Latest Patents
Among his notable inventions, Yoshida has patented an aluminum alloy propeller shaft along with a friction welding process for its production. This innovative propeller shaft features a tube made of aluminum alloy and is equipped with two yoke members, also made from aluminum. Each yoke member includes cylindrical base portions that are friction-welded to the tube's opposite ends. Notably, the design ensures that the alignment of bearing retaining holes across the tip ends maintains a specified variation that is constrained within a range of +2.0 mm to -2.0 mm. The friction welding process itself comprises several steps, including friction, position displacement detection, rotation stop, and an upset step, which streamline the manufacturing process for the shaft.
Career Highlights
Yoshida’s career is marked by his tenure with Hitachi Automotive Systems and Hitachi Automotive Systems Kyushu, where he honed his engineering skills and worked on various innovative projects. His experience in these reputable companies laid the groundwork for his inventive endeavors.
Collaborations
Throughout his career, Yoshida has had the opportunity to collaborate with several talented professionals, including coworkers Kazuya Matsumoto and Norihiro Saita. These partnerships have likely contributed to the successful development and implementation of his innovative ideas.
Conclusion
Keigo Yoshida is an accomplished inventor whose work in aluminum alloy technology continues to influence the field of engineering. With a focus on innovative processes and products, his contributions are a testament to the impact that dedicated inventors can have on the industry and society at large. As he continues to develop new ideas and patents, the engineering community eagerly anticipates his future innovations.