Location History:
- Hitachi, JA (1977)
- Hitachi, JP (1991 - 1999)
Company Filing History:
Years Active: 1977-1999
Title: Innovative Contributions of Tsugio Yoshikawa
Introduction
Tsugio Yoshikawa is a distinguished inventor based in Hitachi, Japan, recognized for his groundbreaking work in the field of materials science and engineering. With a noteworthy portfolio of four patents, his contributions have significantly advanced the technology surrounding high-performance materials, particularly in fluid machinery applications.
Latest Patents
Among his latest innovations, Yoshikawa has developed an advanced stainless steel type 13Cr5Ni, characterized by its high toughness. This steel is designed for use in ultra high head pump turbine power generating plants. The patents highlight crucial specifications, including a runner rotating with water flow supplied through a high head conducting tube, capable of operating under challenging conditions. The runner diameter exceeds five meters, and the head ranges from 400 to 600 meters, showcasing amazing resilience and performance with specific mechanical properties such as tensile strength exceeding 650 N/mm² and fracture toughness of at least 6000 N/mm³/².
Career Highlights
Tsugio Yoshikawa is employed at Hitachi, Ltd., where he dedicates his expertise to refining the technology behind structural materials used in fluid machinery. His innovative approaches and material compositions serve as a testament to his commitment to enhancing efficiency in energy generation technologies.
Collaborations
His work is often supported by collaborations with skilled colleagues, including Kenichi Usami and Hiroshi Takayasu, who share his enthusiasm for innovation in engineering. This synergy among professionals fosters an environment ripe for groundbreaking developments in their respective fields.
Conclusion
In summary, Tsugio Yoshikawa's advancements in the realm of high-performance stainless steel and its applications illustrate his substantial impact on energy generation technology. His dedication to innovation not only reflects his skill as an inventor but also signifies a significant contribution to the engineering community in Japan and beyond.
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.