Location History:
- Oyama, JP (1990 - 1993)
- Tokai-mura, JP (1999)
- Okegawa, JP (2000)
- Ibaraki-ken, JP (2000)
Company Filing History:
4 out of 1,530 
2 out of 4,629 
2 out of 69 Years Active: 1990-2000
Title: Innovations of Yoshitaka Suda in Nuclear Reactor Technology
Introduction
Yoshitaka Suda is a prominent inventor based in Oyama, Japan, known for his significant contributions to the field of nuclear reactor technology. With a total of five patents to his name, Suda has focused on enhancing the performance and safety of nuclear reactor components, particularly through the development of advanced zirconium alloys.
Latest Patents
One of Suda's latest patents is a method for making zirconium alloy nuclear reactor fuel cladding that exhibits excellent corrosion resistance and creep properties. This innovative method involves a series of processes, including hot forging, solution heat treatment, hot extruding, and multiple cycles of annealing and cold rolling. The specific composition of the zirconium alloy includes 0.2 to 1.7% tin, 0.18 to 0.6% iron, 0.07 to 0.4% chromium, and 0.05 to 1.0% niobium, with the remainder being zirconium and incidental impurities. The final stress relief annealing is performed at temperatures ranging from 550°C to 850°C for 1 to 4 hours, ensuring optimal performance characteristics.
Another notable patent is for a fuel rod designed for light water reactors. This fuel rod comprises a cladding tube made from a zirconium alloy, which includes 0.6 to 2.0% niobium, 0.5 to 1.5% tin, and 0.05 to 0.3% iron. The cladding tube is sealed using TIG welding with end plugs made from zirconium alloy, ensuring the integrity and safety of the fuel rod.
Career Highlights
Yoshitaka Suda has had a distinguished career, working with leading companies in the industry. He has been associated with Mitsubishi Materials Corporation and Mitsubishi Heavy Industries Limited, where he has contributed to various projects focused on nuclear technology and materials science.
Collaborations
Throughout his career, Suda has collaborated with notable colleagues, including Takeshi Isobe and Yutaka Matsuo. These collaborations have furthered advancements in the field and have led to the successful development of innovative technologies.
Conclusion
Yoshitaka Suda's work in the field of nuclear reactor technology has made a significant impact, particularly through his innovative patents related to zirconium alloys. His