This inventor holds 3 USPTO granted patents. Top assignees: Showa Electric Wire & Cable Co., Ltd., Tateho Chemical Industries Co., Ltd.. Active years: 1988-1998.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 53 
1 out of 22 Years Active: 1988-1998
Title: Misao Hanai: Innovator in Flame Retardant Technologies
Introduction
Misao Hanai is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of materials science, particularly in the development of flame retardant compounds and insulated power cables. With a total of 3 patents to his name, Hanai's work has had a considerable impact on safety and efficiency in electrical applications.
Latest Patents
One of Hanai's latest patents is a flame retardant polyolefin compound having low smoking and toxicity. This innovative compound comprises 100 parts by weight of polyolefin resin, 100 to 150 parts by weight of a flame retardant, and 2 to 10 parts by weight of zinc stannate as a flame retardant auxiliary agent. The compound preferably utilizes a composite metal hydroxide as the flame retardant, enhancing its effectiveness in reducing smoke and toxicity during combustion.
Another significant patent is for a crosslinked polyolefin insulated power cable. This cable features remarkably improved AC breakdown voltage and impulse withstand voltage. The manufacturing process involves extrusion-coating a conductor with multiple layers, including an inner semiconductive layer, a crosslinked polyolefin insulating layer, and an outer semiconductive layer. This innovative design ensures enhanced performance and safety in electrical applications.
Career Highlights
Throughout his career, Misao Hanai has worked with prominent companies such as Showa Electric Wire & Cable Co., Ltd. and Tateho Chemical Industries Co., Ltd. His experience in these organizations has allowed him to refine his expertise in materials science and electrical engineering.
Collaborations
Hanai has collaborated with notable professionals in his field, including Fumio Aida and Shahrzad Tassavori. These collaborations have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Misao Hanai's contributions to flame retardant technologies and insulated power cables demonstrate his commitment to innovation and safety in electrical engineering. His patents reflect a deep understanding of materials science and a dedication to improving industry standards.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile