Location History:
- Hyogo, JP (2003 - 2015)
- Itami, JP (2011 - 2018)
Company Filing History:
3 out of 18 
2 out of 10,250 
1 out of 827 
Years Active: 2003-2018
Title: **Yoshihiko Touda: Pioneer in Pregrouted PC Steel Innovations**
Introduction
Yoshihiko Touda, hailing from Itami, Japan, is a notable inventor recognized for his impactful contributions to the field of pregrouted PC (prestressed concrete) steel materials. With a total of four patents to his name, his innovative approaches have significantly advanced industry practices, particularly in coating and hardening methods.
Latest Patents
Touda's latest patents showcase his ingenuity and technical acumen. One of his prominent inventions is the "Pregrouted PC steel material and method for hardening pregrout layer thereof." This innovation presents a pregrouted PC steel material that includes a stranded wire composed of multiple steel wires, encased in a pregrout layer and a protective sheath. Notably, it features a capsule containing a hardening agent that is strategically designed to break under tension, facilitating effective hardening of the pregrout layer.
Another significant patent attributed to Touda is the "Powder coating composition for PC strand coating, coating method, and coating film." This invention provides a powder coating composition that ensures the formation of a uniform coating film on PC strands, characterized by an optimal melt viscosity of 3,000-15,000 poise, allowing for economical production without compromising quality.
Career Highlights
Throughout his distinguished career, Touda has been associated with reputable companies such as Sumitomo Steel Wire Corporation and Sumitomo Electric Industries Limited. His tenure at these companies has enabled him to refine his practical skills while contributing to important advancements in steel products.
Collaborations
In his pursuit of innovation, Touda has worked alongside talented individuals such as Toshihiko Niki and Katsuhito Oshima. These collaborations have fostered an environment of shared expertise and creativity, leading to successful patent applications and a lasting impact on the industry.
Conclusion
Yoshihiko Touda stands out as a prominent inventor in the realm of pregrouted PC steel materials. His latest patents demonstrate a commitment to innovation and quality, as they address critical challenges within the industry. With a solid background and collaborations that enhance his work, Touda's contributions continue to resonate in the field of engineering and materials science.