Hiroki Shibata

Title: Hiroki Shibata: Innovator in Polycarbonate Resin Technology

Introduction

Hiroki Shibata is a notable inventor based in Chiyoda-ku, Japan. He has made significant contributions to the field of polycarbonate resin technology. With a total of three patents to his name, Shibata's work focuses on improving the properties and production methods of bisphenol compositions and aromatic polycarbonate resins.

Latest Patents

Shibata's latest patents include a bisphenol composition that consists of 95% or more by mass of a bisphenol. This composition features a specific bisphenol represented by a general formula, which must constitute 150 mass ppm or more. Additionally, the composition has a methanol dissolution color of 2 or less. Another significant patent is for an aromatic polycarbonate resin composition that demonstrates excellent surface hardness, strength, designability, and lightfastness. This composition includes carbonate structural units derived from specific aromatic dihydroxy compounds in a defined molar ratio.

Career Highlights

Hiroki Shibata is currently employed at Mitsubishi Chemical Corporation, where he continues to innovate in the field of chemical engineering. His work has been instrumental in advancing the applications of polycarbonate materials in various industries.

Collaborations

Shibata has collaborated with notable coworkers, including Toshiki Monden and Kei Uchiyama. Their combined expertise has contributed to the successful development of new materials and technologies.

Conclusion

Hiroki Shibata's contributions to polycarbonate resin technology highlight his role as a leading inventor in the field. His innovative patents and collaborations continue to influence advancements in material science.