Company Filing History:
Years Active: 1988
Title: Noriyuki Chujyo: Innovator in Valve Technology
Introduction
Noriyuki Chujyo is a notable inventor based in Yokosuka, Japan. He has made significant contributions to the field of valve technology, particularly with his innovative designs that enhance performance and durability.
Latest Patents
Chujyo holds a patent for a valve that features a unique construction. This valve comprises one valve seat ring made of a Cr-Mn-Fe system or a Cr-Ni-Fe system Fe-based precipitation hardening type alloy. The other valve seat ring is composed of a Cr-Ni system Ni-based alloy, which has a hardness of Hv 400 or more. The valves developed by Chujyo exhibit excellent wear resistance, cavitation erosion resistance, and galling resistance. Additionally, they emit no cobalt, making them suitable for various applications, including chemical plants and particularly nuclear power plants. He has 1 patent to his name.
Career Highlights
Chujyo is associated with Kabushiki Kaisha Toshiba, where he has been instrumental in advancing valve technology. His work has not only contributed to the company's reputation but has also set new standards in the industry.
Collaborations
Chujyo has collaborated with notable colleagues, including Kaoru Tada and Mituo Kawai. Their combined expertise has further enhanced the innovative capabilities within their projects.
Conclusion
Noriyuki Chujyo's contributions to valve technology demonstrate his commitment to innovation and excellence. His patented designs are paving the way for advancements in various industrial applications.