Susumu Ishiwatari

Title: Susumu Ishiwatari: Innovator in Thermoplastic Polyester Resin Foam

Introduction

Susumu Ishiwatari is a notable inventor based in Nara, Japan. He has made significant contributions to the field of thermoplastic materials, holding a total of 3 patents. His work focuses on innovative manufacturing methods that enhance the efficiency and sustainability of resin production.

Latest Patents

Ishiwatari's latest patents include a continuous manufacturing method and manufacturing apparatus for thermoplastic polyester resin foam. This method involves feeding a thermoplastic polyester resin into a twin extruder, where the resin is heated to remove moisture. A foaming agent is then injected into the resin, which is pushed out as a foaming sheet. The process also includes dividing the foaming sheet into a forming body and trimming loss, with the latter being crushed to obtain materials that can be recycled back into the twin extruder. Another patent focuses on high molecular weight thermoplastic polyester resin foam, utilizing a similar process to achieve efficient production.

Career Highlights

Ishiwatari is currently employed at Sekisui Kaseihin Kogyo Kabushiki Kaisha, where he continues to develop innovative solutions in the field of thermoplastic materials. His expertise in manufacturing processes has positioned him as a key player in advancing the technology behind resin foams.

Collaborations

Ishiwatari collaborates with talented coworkers, including Takaaki Hirai and Masahiro Shindo. Their combined efforts contribute to the ongoing research and development initiatives at their company.

Conclusion

Susumu Ishiwatari's work in thermoplastic polyester resin foam exemplifies innovation in manufacturing processes. His patents reflect a commitment to improving efficiency and sustainability in the industry.