Koji Yoneyama is a distinguished inventor based in Osaka, Japan, known for his contributions to the field of automotive technology. With a remarkable portfolio comprising seven patents, Yoneyama has made significant advancements in clutch devices and continuously variable transmissions. His innovative designs reflect a deep understanding of mechanical engineering and a commitment to improving vehicular performance.

Latest Patents

Among Yoneyama's latest inventions is a **clutch device**, which aims to enhance the functionality and efficiency of clutch systems. This device features a driven plate characterized by an annular shape that includes multiple engaging recesses. The clutch center is designed to rotate around a rotational axis while allowing the driven plate to move axially when assembled. This innovative design incorporates a cylindrical body, along with first teeth and protruding teeth that assist in the assembly process.

Another significant invention is his **forward-reverse rotation device for a continuously variable transmission**. This device seeks to optimize manufacturing costs while maintaining performance. It consists of a planetary gear set, reverse brake, and forward clutch. The integration of a sun gear, ring gear, double planetary gears, and a carrier allows for effective power output to the output shaft, improving the efficiency of transmission systems.

Career Highlights

Koji Yoneyama's career is marked by his role at Exedy Corporation, a leading manufacturer in the automotive parts industry. His dedication to innovation and quality has helped position the company as a frontrunner in the competitive automotive market. Yoneyama's patents are testaments to his technical expertise and creative problem-solving abilities.

Collaborations

Throughout his career, Yoneyama has collaborated with talented colleagues, including Masahiro Ohkubo and Mamoru Okubo. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and promotes innovation within the company.

Conclusion

In conclusion, Koji Yoneyama has established himself as a notable inventor in the automotive technology sector. His innovative clutch devices and transmission solutions not only enhance vehicle performance but also demonstrate his commitment to engineering excellence. As he continues to build on his achievements, Yoneyama's contributions will undoubtedly influence the future of automotive design and technology.

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