Shigeaki Kouketsu

Title: Shigeaki Kouketsu: Innovator in Polyurethane Foam Technology

Introduction

Shigeaki Kouketsu is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of polyurethane foam technology. With a total of 2 patents, Kouketsu has focused on developing flame-retardant materials that exhibit excellent properties.

Latest Patents

Kouketsu's latest patents revolve around the production of flame-retardant polyurethane foam. This innovative foam is characterized by its very good skin weldability and a low level of skin staining. The production process involves a combination of a polyhydroxy compound, organic polyisocyanate, blowing agent, catalyst, foam stabilizer, and flame retardant. Notably, the flame retardant used contains a triaryl phosphate ester. The polyhydroxy compound is a mixture composed of 100 parts by weight of a high-molecular-weight polyhydroxy compound with a hydroxyl number lower than 100, and 0.5 to 10 parts by weight of a low-molecular-weight polyhydroxy compound with a hydroxyl number higher than 560, which contains 2 to 4 hydroxyl groups in one molecule.

Career Highlights

Throughout his career, Kouketsu has worked with prominent companies such as Bridgestone Corporation and Ikeda Bussan Co. Ltd. His experience in these organizations has contributed to his expertise in the field of materials science and innovation.

Collaborations

Kouketsu has collaborated with notable individuals in his field, including Toru Okuyama and Take Sato. These partnerships have likely enhanced his research and development efforts.

Conclusion

Shigeaki Kouketsu is a distinguished inventor whose work in polyurethane foam technology has led to significant advancements. His innovative patents and collaborations reflect his commitment to improving material properties for various applications.