Iwao Sugiyama

Title: Iwao Sugiyama: Innovator in Rubber Composition Technology

Introduction

Iwao Sugiyama is a notable inventor based in Hiratsuka, Japan. He has made significant contributions to the field of rubber compositions, particularly in the development of vulcanization accelerator systems. With a total of 3 patents to his name, Sugiyama's work has had a lasting impact on the rubber industry.

Latest Patents

Sugiyama's latest patents focus on innovative vulcanization accelerator systems for rubber compositions. One of his patents describes a system that utilizes carbon disulfide as a source, incorporating compounds such as cyclic bis (thiocarbamoyl) mono- or di-sulfides and an amine-isocyanate addition compound. This system is noted for its excellent scorching stability and rapid vulcanization at standard temperatures. Another patent also emphasizes the use of carbon disulfide, featuring cyclic bis (dithiocarbamic acid) metal salts and cyclic or non-cyclic dithiocarbamic-xanthogenic acid metal salts, again combined with an amine-isocyanate addition compound to achieve similar benefits.

Career Highlights

Iwao Sugiyama is currently associated with The Yokohama Rubber Co., Ltd., where he continues to innovate in rubber technology. His expertise in vulcanization processes has positioned him as a key figure in the development of advanced rubber materials.

Collaborations

Throughout his career, Sugiyama has collaborated with esteemed colleagues such as Hiroshi Hirakawa and Kunio Kageyama. These partnerships have fostered a collaborative environment that enhances innovation and drives progress in their field.

Conclusion

Iwao Sugiyama's contributions to rubber composition technology through his patents and collaborations highlight his role as a significant inventor in the industry. His work continues to influence the development of more efficient and stable rubber products.