Company Filing History:
Years Active: 2018
Title: Innovations of Yoshihiko Otsuka in Railway Technology
Introduction
Yoshihiko Otsuka is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of railway technology, particularly in the development of gear devices that enhance the performance of railway vehicles. His innovative approach focuses on reducing vibrations and noise, which are critical factors in railway operations.
Latest Patents
Otsuka holds a patent for a "Railway vehicle gear device of parallel cardan drive system." This invention presents a low-cost solution that minimizes vibrations and noise through 2-D tooth surface modifications. The gear device features a helical pinion and a helical gear wheel, designed with specific gear specifications, including a module of 4 to 8, a pressure angle of 20 to 30 degrees, and a helix angle of 15 to 30 degrees. The tooth surface is shaped like a sinusoidal curve, which is strategically positioned to optimize performance across the entire width of the helical pinion. This innovative design significantly enhances the operational efficiency of railway vehicles.
Career Highlights
Otsuka's career is marked by his dedication to advancing railway technology. His work at Toyo Denki Seizo Kabushiki Kaisha has allowed him to apply his inventive skills in a practical setting. His focus on creating cost-effective solutions has made a lasting impact on the industry.
Collaborations
Throughout his career, Otsuka has collaborated with talented individuals such as Kenichi Goto and Satoshi Hayashi. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies in railway systems.
Conclusion
Yoshihiko Otsuka's contributions to railway technology exemplify the importance of innovation in enhancing operational efficiency. His patented gear device showcases his commitment to reducing noise and vibrations, ultimately improving the overall performance of railway vehicles. His work continues to influence the industry and inspire future advancements.