Location History:
- Hitachi, JP (2010 - 2016)
- Yokohama, JP (2017)
Company Filing History:
Years Active: 2010-2017
Title: Kunio Asai: Innovator in Steam Turbine Technology
Introduction
Kunio Asai is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of steam turbine technology, holding a total of 7 patents. His work focuses on enhancing the efficiency and durability of steam turbine components.
Latest Patents
Asai's latest patents include innovative designs for steam turbine rotors and blades. One of his key inventions is a steam turbine rotor that aims to reduce stress corrosion cracking (SCC) susceptibility while improving low cycle fatigue (LCF) life. This rotor comprises a rotor disk in a low-pressure final stage and another rotor disk in multiple stages, joined by welding. Both disks are made from 12Cr steel, which has a tensile strength of 900 to 1200 MPa.
Another significant patent involves a blade designed to avoid fretting damage while minimizing stress at the neck portion caused by a stress relief groove. This blade is strategically placed on the outer periphery of a rotor and features a unique dovetail portion that enhances its stability and performance.
Career Highlights
Throughout his career, Kunio Asai has worked with prominent companies such as Hitachi, Ltd. and Mitsubishi Hitachi Power Systems, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in steam turbine technology.
Collaborations
Asai has collaborated with talented individuals in his field, including Takeshi Kudo and Tateki Nakamura. These partnerships have contributed to the advancement of his inventions and the overall progress in steam turbine technology.
Conclusion
Kunio Asai's contributions to steam turbine technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively, showcasing the importance of innovation in engineering.
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.