Hirofumi Hirota

Title: Hirofumi Hirota: Innovator in Electrically Insulating Resin Composition

Introduction: Hirofumi Hirota, an accomplished inventor based in Osaka, Japan, is recognized for his contributions to the field of electrically insulative materials. With a strong focus on enhancing electrical properties and processability, his work stands as a significant contribution to the industry.

Latest Patents: Hirota holds a patent for an "Electrically insulating resin composition and a DC electric wire or cable both coated therewith." This innovative composition aims to provide a superior electrically insulative resin that is both effective in electrical performance and easy to process. The resin composition consists of 60 to 90 percent by weight of ethylene-α-olefin copolymer (A) polymerized with a single-site catalyst, combined with 40 to 10 percent by weight of another polyolefin resin (B). Notably, this composition includes a graft-polymerized substituent exhibiting a dipole moment of not less than 4 Debye, enhancing its insulative capabilities.

Career Highlights: Hirofumi Hirota is affiliated with Sumitomo Electric Industries, Limited, where he has applied his expertise in polymer chemistry and electrical engineering. His innovative approach and dedication to developing high-performance materials have contributed to the advancement of electric wire and cabling technologies.

Collaborations: Throughout his career, Hirota has collaborated with esteemed colleagues Yoitsu Sekiguchi and Toshikazu Shibata. Together, they have driven advancements in material science, particularly focusing on improving the performance of electrically insulating composites.

Conclusion: Hirofumi Hirota's dedication to innovation in electrically insulating materials showcases his commitment to enhancing technology in the electrical industry. His contributions not only reflect his expertise but also underscore the importance of continuous development in materials that support the growing demands of electrical applications.