This inventor holds 5 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1985-1988.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1985-1988
Title: Tetsuo Fujiwara: Innovator in Valve Technology and Electronic Components
Introduction
Tetsuo Fujiwara is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the fields of valve technology and electronic components. With a total of 5 patents to his name, Fujiwara's work is recognized for its innovative approaches and practical applications.
Latest Patents
One of Fujiwara's latest patents involves a valve that 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 features a surface composed of a Cr-Ni system Ni-based alloy with a hardness of Hv 400 or more. This invention offers excellent wear resistance, cavitation erosion resistance, and galling resistance, making it particularly suitable for various plants, including nuclear power plants, as it emits no cobalt. Another notable patent pertains to the material for in-tube components and the method of manufacturing it. This material is designed for electronic tubes, such as color cathode ray tubes, and features a low thermal expansion coefficient with a grain size of 2,000-40,000 grains/mm². It primarily contains Fe, along with 25-45 wt % Ni, 0.3-10 wt % Cr, and 0-10 wt % Co.
Career Highlights
Fujiwara is associated with Kabushiki Kaisha Toshiba, a leading company in technology and electronics. His work at Toshiba has allowed him to develop and refine his innovative ideas, contributing to the company's reputation for excellence in engineering and technology.
Collaborations
Throughout his career, Tetsuo Fujiwara has collaborated with notable colleagues, including Masaharu Kanto and Yasuhisa Ohtake. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Tetsuo Fujiwara's contributions to valve technology and electronic components highlight his innovative spirit and dedication to engineering excellence. His patents reflect a commitment to advancing technology in practical and impactful ways.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile