Location History:
- Toyota, JP (1985 - 1987)
- Nishio, JP (2008)
- Seto, JP (1980 - 2009)
Company Filing History:
2 out of 95 
2 out of 36,713 
1 out of 1,838 Years Active: 1980-2009
Title: The Innovations of Katsutoshi Kitagawa
Introduction
Katsutoshi Kitagawa, an inventive mind from Seto, Japan, has significantly contributed to the field of mechanical engineering. With a total of five patents to his name, his work primarily focuses on innovative valve mechanisms designed to enhance the performance of internal combustion engines. His inventive spirit and technical prowess have marked him as a noteworthy inventor in the automotive industry.
Latest Patents
Katsutoshi Kitagawa's recent patents showcase his dedication to improving engine efficiency. One of his latest inventions is a variable valve operating mechanism. This invention consists of two valve operating members that function independently to open and close valves. The mechanism utilizes a drive cam located on a single camshaft and two swing arms that transmit power from the cam to the operating members. A variable device is integrated to adjust the swing arm's displacement based on the internal combustion engine's operational conditions.
Another significant patent is the variable valve mechanism, which incorporates a rotating cam on the camshaft and a swing arm that interacts with it. This design features a drive arm that coordinates with the swing arm to manage valve operations effectively. The inclusion of a variable arm allows for relative rotation, enabling the drive arm's initial position to change dynamically with the swing arm's movement, thereby optimizing engine performance.
Career Highlights
Katsutoshi Kitagawa has held influential roles in reputable organizations such as Otics Corporation and Toyota Motor Corporation. His experience in these companies has undoubtedly enriched his understanding and application of mechanical systems in automotive engineering. At these organizations, he has utilized his inventive capabilities to develop advanced mechanisms that continue to influence the automotive sector.
Collaborations
Throughout his career, Kitagawa has collaborated with talented individuals, including Akira Sugiura and Tetsuya Niwa. These partnerships have fostered an environment of innovation, allowing them to merge their expertise and insights in pursuit of groundbreaking inventions.
Conclusion
Katsutoshi Kitagawa stands out as a remarkable inventor whose contributions have played an essential role in the advancement of engine technologies. His innovative patents and collaborative efforts reflect a commitment to enhancing performance and efficiency within the automotive industry. As the industry evolves, Kitagawa's inventions continue to pave the way for future innovations in engine operation and design.