Location History:
- Inagi, JP (1982)
- Tama, JP (1986)
- Kawasaki, JP (2007 - 2011)
- Kanagawa, JP (2006 - 2014)
- Aiko-gun, JP (2017)
- Yokohama, JP (1981 - 2024)
Company Filing History:
8 out of 1,233 
4 out of 2,916 
3 out of 849 
Years Active: 1981-2024
Title: Fumio Takahashi: A Pioneer in Spring Technology Innovation
Introduction
Fumio Takahashi, based in Yokohama, Japan, is an accomplished inventor with a remarkable portfolio consisting of 22 patents. His innovations primarily focus on advancements in spring technology, particularly damper and valve springs, which are crucial components in various mechanical applications.
Latest Patents
Takahashi's latest patents include a novel damper spring designed with an exceptional fatigue limit. This damper spring features a nitrided layer on the outer surface and a core that houses a carefully crafted chemical composition, consisting of elements such as carbon, silicon, manganese, chromium, and others. Notably, the core portion contains a controlled density of vanadium-based precipitates ranging from 2 to 10 nm in maximum diameter, enhancing its durability and performance.
Another significant innovation is his valve spring, which also includes a nitrided layer and a core with a similar chemical structure. This valve spring's core is meticulously engineered to optimize the number density of vanadium-based precipitates and maintain a precise ratio of sulfides, contributing to its reliability and effectiveness in various applications.
Career Highlights
Throughout his career, Takahashi has made significant contributions while working with prominent companies such as NHK Spring Co., Ltd. and Tokyo Shibaura Denki Kabushiki Kaisha. These experiences have enabled him to refine his expertise in mechanical engineering and develop groundbreaking innovations in spring technology.
Collaborations
Takahashi has collaborated with talented professionals in the field, including coworkers Yoshimori Miyaji and Hirokazu Fujiki. Their collective efforts have fostered an environment of creativity and innovation, further propelling advancements in their respective areas of expertise.
Conclusion
Fumio Takahashi stands out as a leading figure in the realm of spring technology, with his 22 patents underscoring his dedication to innovation and excellence. His relentless pursuit of improvement and collaboration with esteemed colleagues reflects his commitment to pushing the boundaries of mechanical engineering, making him a notable inventor in the industry.