Location History:
- Akashi, JA (1976 - 1977)
- Akashi, JP (1978 - 1998)
- Kyoto, JP (2004)
Company Filing History:
5 out of 1,887 
2 out of 104 
2 out of 1,100 Years Active: 1976-2004
Title: Yoshiro Yamada: Innovator in Spring Technology
Introduction
Yoshiro Yamada is a prominent inventor based in Akashi, Japan. He has made significant contributions to the field of spring technology, holding a total of nine patents. His innovative work focuses on enhancing the fatigue endurance properties of springs and improving surface treatment methods for steel workpieces.
Latest Patents
Yamada's latest patents include a spring with excellent fatigue endurance properties. This invention involves hard metal particles that are protected against the nitrided surface of the spring, preventing microcracks and providing deep compression residual stress. The method utilizes fine metal particles with specific characteristics to enhance fatigue strength without compromising the surface layer. Another notable patent is a surface treatment method for steel workpieces using high-speed shot peening. This technique significantly increases fatigue resistance by controlling the impinging speed and temperature during the shot peening process.
Career Highlights
Throughout his career, Yoshiro Yamada has worked with notable companies such as Kobe Steel, Ltd. and Suncall Corporation. His experience in these organizations has allowed him to develop and refine his innovative techniques in spring technology and surface treatment.
Collaborations
Yamada has collaborated with several professionals in his field, including Tatsu Fujita and Tetsuo Yamada. These collaborations have contributed to the advancement of his research and the successful development of his patents.
Conclusion
Yoshiro Yamada's contributions to spring technology and surface treatment methods have established him as a key figure in the field of innovation. His work continues to influence the industry and improve the performance of various mechanical components.