This inventor holds 4 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 2006-2008.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2006-2008
Title: Eiji Saitou: Innovator in Steam Turbine Technology
Introduction
Eiji Saitou is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of steam turbine technology, holding a total of 4 patents. His work focuses on enhancing the efficiency and performance of steam turbines, which are critical components in power generation.
Latest Patents
Saitou's latest patents include innovative designs for steam turbine rotors and plants. One of his notable inventions is a rotor material suitable for steam turbines operating at main steam temperatures of 675°C or more, particularly exceeding 700°C. This invention provides a steam turbine plant that includes a very-high-pressure turbine with a steam inlet temperature ranging from 675 to 725°C and a steam outlet temperature of 650°C or less. The rotor of this turbine is formed from a forged material of NiFe-base alloy, which contains specific weight percentages of chromium, iron, aluminum, titanium, carbon, nitrogen, and niobium.
Another significant patent involves a turbine moving blade design. This design features a blade portion that extends from the basal portion to the tip of the moving blade. The blade root portion is engaged with a corresponding disk groove of a turbine rotor, and an integral cover is formed at the tip of the blade portion. This cover includes pressure and suction sloped surfaces that help restrain the elastic restoring force of the moving blade during installation.
Career Highlights
Eiji Saitou is associated with Hitachi, Ltd., a leading company in the technology and engineering sector. His work has been instrumental in advancing steam turbine technology, contributing to more efficient energy production methods.
Collaborations
Saitou has collaborated with notable coworkers, including Yutaka Yamashita and Kiyoshi Namura. Their combined expertise has further enhanced the innovations in steam turbine technology.
Conclusion
Eiji Saitou's contributions to steam turbine technology exemplify the importance of innovation in energy production. His patents reflect a commitment to improving efficiency and performance in this critical field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile