Tsutomu Hisada

Title: The Innovations of Tsutomu Hisada

Introduction

Tsutomu Hisada is a notable inventor based in Nobeoka, Japan. He has made significant contributions to the field of materials science, particularly through his work on polytrimethylene terephthalate resin. His innovative approach has led to advancements that are valuable in various applications.

Latest Patents

Hisada holds a patent for a polytrimethylene terephthalate resin. This resin comprises 90 to 100 mole % of trimethylene terephthalate recurring units, and 0 to 10 mole % of at least one monomer unit obtained from a comonomer other than the monomers used for forming the recurring units. The resin exhibits several key characteristics, including an intrinsic viscosity of 0.8 to 4.0 dl/g, an Mw/Mn ratio of 2.0 to 2.7, and specific psychometric lightness and chroma values measured after heating.

Career Highlights

Hisada is associated with Asahi Kasei Kabushiki Kaisha, a company known for its innovative materials and technologies. His work has contributed to the company's reputation for excellence in the field of polymer science.

Collaborations

Hisada has collaborated with notable coworkers, including Katsuhiro Fujimoto and Yoichiro Azuma. These collaborations have fostered a creative environment that encourages innovation and the development of new materials.

Conclusion

Tsutomu Hisada's contributions to the field of materials science, particularly through his patent on polytrimethylene terephthalate resin, highlight his role as an influential inventor. His work continues to impact the industry positively.