Location History:
- Mohka, JP (2005)
- Tokyo, JP (2020 - 2022)
Company Filing History:
Years Active: 2005-2022
Title: Daigo Ohtoyo: Innovator in Fe-Ni-Based Superalloys
Introduction
Daigo Ohtoyo is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of production methods for Fe-Ni-based superalloys. With a total of 3 patents to his name, Ohtoyo's work has advanced the manufacturing processes of high-performance materials.
Latest Patents
Ohtoyo's latest patents include a production method for ring-rolled material of Fe-Ni-based superalloy. This invention provides a method that inhibits AGG, features a fine-grained structure with an ASTM grain size number of at least 8, and ensures high circularity. The method involves heating a ring-shaped material for ring rolling within a temperature range of 900°C to 980°C, followed by finishing ring rolling and correcting ellipticalness while expanding the diameter using a ring expander. Another notable patent is a method of producing a forged product, which describes a process where a forging component is hot-forged using a lower die and an upper die. This method includes several steps, such as applying glass lubricants and heating the components to achieve optimal forging conditions.
Career Highlights
Throughout his career, Ohtoyo has worked with notable companies such as Hitachi Metals, Ltd. and Proterial, Ltd. His experience in these organizations has allowed him to refine his expertise in materials engineering and innovation.
Collaborations
Ohtoyo has collaborated with esteemed colleagues, including Masakatsu Saitoh and Chuya Aoki. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Daigo Ohtoyo's contributions to the field of Fe-Ni-based superalloys exemplify his innovative spirit and dedication to advancing materials science. His patents reflect a commitment to improving manufacturing processes and enhancing the performance of high-performance materials.