Kazuyuki Ito

Title: Kazuyuki Ito: Innovator in Polysulfone Production

Introduction

Kazuyuki Ito is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the production of aromatic polysulfones. With a total of 16 patents to his name, Ito's work has had a substantial impact on the industry.

Latest Patents

One of his latest patents is a method for producing aromatic polysulfone. This method involves subjecting 4,4'-dichlorodiphenylsulfone and an aromatic dihydroxy compound to a polycondensation reaction. Notably, the median diameter (D50) of the 4,4′-dichlorodiphenylsulfone used in this process is not more than 1,000 μm. Another significant patent is related to poly(biphenyl ether sulfone) resin, which includes a production method and a melt-molded article. This invention features a resin that substantially comprises a repeating structure and has a spin-lattice relaxation time T of a long component of 24 seconds or more.

Career Highlights

Kazuyuki Ito is currently employed at Sumitomo Chemical Company, Limited, where he continues to innovate and develop new materials. His expertise in polymer chemistry has positioned him as a key figure in the advancement of polysulfone technologies.

Collaborations

Throughout his career, Ito has collaborated with notable coworkers such as Kazuo Takaoki and Yoshio Shoda. These partnerships have fostered a collaborative environment that enhances the innovation process.

Conclusion

Kazuyuki Ito's contributions to the field of polymer chemistry, particularly in the production of aromatic polysulfones, highlight his role as a leading inventor. His ongoing work at Sumitomo Chemical Company, Limited, and his impressive portfolio of patents underscore his commitment to innovation in this vital area of research.