Company Filing History:
2 out of 2,351 
1 out of 1,357 Years Active: 2016-2018
Title: **Innovative Contributions of Yuichiro Fujikawa in Polymer Science**
Introduction
Yuichiro Fujikawa is an accomplished inventor from Otake, Japan, known for his significant contributions to the field of polymer science. With a total of three patents to his name, he has made remarkable strides in the development of impact-resistant materials, particularly within the realm of chlorine-containing resins.
Latest Patents
Fujikawa's latest patents include:
1. **Impact Strength Modifier for Chlorine-Containing Resin**: This invention discloses an impact strength modifier for chlorine-containing resin, which comprises a powder of a graft copolymer obtained by graft polymerizing various vinyl monomers onto a polyorganosiloxane rubber. The specific surface area of the graft copolymer powder is critical, measured between 0.6 to 30 m/g, with particular attention to the pH during extraction processes.
2. **Chlorine-Containing Resin Composition and Molded Body**: This patent describes a graft copolymer that imparts impact resistance, flame retardance, and color rendering properties to thermoplastic resins. The graft copolymer includes polyorganosiloxane and is characterized by a volume average particle diameter of 200-2000 nm, containing 0.1-69 mass % of polyorganosiloxane. The invention also encompasses a thermoplastic resin composition and a molded article derived from that composition.
Career Highlights
Fujikawa has a notable career working for reputable companies such as Mitsubishi Chemical Corporation and Mitsubishi Rayon Company, Limited. Throughout his professional journey, he has been at the forefront of innovations in material science, particularly focused on enhancing the properties of thermoplastic resins.
Collaborations
In his research and development efforts, Fujikawa has collaborated with talented coworkers, including Ayaka Wakita and Sohei Ueki. Together, they have explored new avenues for improving the functionality and durability of polymers through innovative chemical processes.
Conclusion
Yuichiro Fujikawa's pioneering work in polymer science has significantly impacted the field, particularly through his patented advancements in chlorine-containing resins. His innovative spirit and collaborative approach continue to inspire future developments in material science, paving the way for more durable and efficient polymer products.