Location History:
- Hitachi, JA (1978)
- Hitachi, JP (1985 - 2001)
Company Filing History:
17 out of 42,508 
1 out of 1 Years Active: 1978-2001
Title: Ryoichi Kaneko: Innovator in Steam Turbine Technology
Introduction
Ryoichi Kaneko, an accomplished inventor based in Hitachi, Japan, has made significant contributions to the field of steam turbine technology. With a remarkable portfolio of 17 patents to his name, Kaneko has demonstrated a deep commitment to advancing engineering solutions that enhance efficiency and performance in energy systems.
Latest Patents
Kaneko's latest innovations include groundbreaking patents for a steam turbine, a rotor shaft thereof, and heat-resisting steel. His steam turbine features a rotor shaft that integrates both high and low pressure portions, equipped with blades that extend to a minimum length of 30 inches. The turbine is designed to operate at a steam temperature of 530°C at the first stage blades, achieving a length (L) to diameter (D) ratio of between 1.4 and 2.3. The rotor shaft is made from a specially formulated heat-resisting steel, which contains specific percentages of carbon, silicon, manganese, nickel, chromium, molybdenum, vanadium, and may include additional elements such as niobium, tantalum, tungsten, and several rare earth elements.
Furthermore, his patent for heat-resisting steel is characterized by a metal structure that is fully martensitic, produced through a tempering process post-quenching. This advanced steel composition ensures a creep rupture strength of over 10 kgf/mm² for 100,000 hours at 650°C, reflecting Kaneko's dedication to quality and performance in high-temperature applications.
Career Highlights
Throughout his career, Ryoichi Kaneko has been affiliated with reputable organizations, including Hitachi, Ltd. and The Japan Steel Works, Ltd. These experiences have provided him with a robust foundation in engineering and materials science, significantly informing his innovative work on steam turbines and related technologies.
Collaborations
Kaneko has had the privilege of collaborating with esteemed colleagues in his field, including Toshimi Tan and Yutaka Fukui. These partnerships have facilitated knowledge exchange and innovation, driving forward advancements in steam turbine technology.
Conclusion
In conclusion, Ryoichi Kaneko stands out as a pioneering inventor whose work on steam turbines and heat-resisting steel is shaping the future of energy solutions. His prolific output of patents and collaborations with industry leaders underscores his vital role in the evolution of contemporary engineering practices.