This inventor holds 1 USPTO granted patent. Top assignees: Chiyoda Corporation, Nkk Corporation. Active years: 1993.
Company Filing History:
1 out of 174 
1 out of 614 
Years Active: 1993
Title: Hirotoshi Koga: Innovator in Selector Valve Technology
Introduction
Hirotoshi Koga is a notable inventor based in Kawasaki, Japan. He is recognized for his contributions to valve technology, particularly in the development of a selector valve. His innovative designs have made significant impacts in various industrial applications.
Latest Patents
Hirotoshi Koga holds 1 patent for his invention of a selector valve. This valve is designed for distributing and combining process flow. It features an open-ended cylindrical casing, a valve seat secured to the casing, and an inlet hole that extends coaxially with the casing through the valve seat. The valve includes multiple outlet holes arranged in a circle, a rotatable valve body, and a U-shaped passage that facilitates fluid communication between the inlet and selected outlet holes. Additionally, a spring mechanism maintains pressure contact between the valve body and the valve seat, ensuring efficient operation.
Career Highlights
Throughout his career, Hirotoshi Koga has worked with prominent companies such as NKK Corporation and Chiyoda Corporation. His experience in these organizations has contributed to his expertise in valve technology and innovation.
Collaborations
Hirotoshi Koga has collaborated with notable coworkers, including Yoshimi Shiroto and Nobuhiro Onda. Their collective efforts have further advanced the field of valve technology.
Conclusion
Hirotoshi Koga's contributions to the development of selector valves exemplify his innovative spirit and dedication to engineering. His work continues to influence the industry and inspire future advancements in valve technology.