Location History:
- Ibaraki, JP (1985 - 1996)
- Hitachi, JP (1997)
- Ibaraki-ken, JP (1996 - 1998)
- Tokai-mura, JP (1998 - 1999)
Company Filing History:
13 out of 42,485 
4 out of 222 
1 out of 2,333 
Years Active: 1985-1999
Title: Shigeo Hattori: Innovator in Austenitic Single Crystal Stainless Steel
Introduction
Shigeo Hattori is a prominent inventor based in Ibaraki, Japan. With an impressive portfolio of 13 patents, Hattori has made significant contributions to the field of materials science, specifically in developing advanced stainless steel solutions for high-stress environments. His work is particularly relevant to the nuclear energy sector, where the longevity and safety of reactor core structures are paramount.
Latest Patents
Among his latest innovations are two key patents relating to precipitation hardening type single crystal austenitic steel. Hattori's methods focus on enhancing the stress corrosion cracking resistance, strength, and irradiation induced embrittlement resistance of stainless steel. These advancements are aimed at ensuring the extended life of nuclear reactor core structures, specifically those operating in environments with high radiation doses. The innovative technique involves homogeneously dispersing carbides into the parent phase of the steel through a two-step solution heat treatment, followed by an ageing heat treatment post rapid cooling to precipitate fine carbides.
Career Highlights
Shigeo Hattori’s career includes his valuable time spent working at notable companies such as Hitachi, Ltd. and Babcock-Hitachi Kabushiki Kaisha. His experience in these leading organizations has greatly contributed to his expertise and capacity to drive innovation in material technologies.
Collaborations
Throughout his impressive career, Hattori has worked alongside talented professionals in the field, such as Takenori Shindo and Koichi Kurosawa. These collaborations have likely spurred creativity and advanced the development of groundbreaking materials used in crucial applications.
Conclusion
In conclusion, Shigeo Hattori's inventive contributions to the development of precipitation hardening type single crystal austenitic steel showcase his dedication to advancing technology in challenging environments. His patents not only demonstrate innovative methodologies but also signify the importance of reliable materials in critical industries like nuclear energy. As he continues to push the boundaries of engineering materials, Hattori stands out as a leading figure in innovation.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.