Katsunori Hisamatsu

Title: Innovations by Katsunori Hisamatsu: Pioneering Vehicle Seat Core Materials

Introduction: Katsunori Hisamatsu, an accomplished inventor based in Tochigi, Japan, has made significant contributions to the field of materials engineering, particularly focusing on vehicle seat core materials. With a total of six patents to his name, Hisamatsu is integral to advancing technology and material applications in automotive seating.

Latest Patents: Hisamatsu's most recent innovations include a vehicle seat core material that features a molded article made of thermoplastic resin expanded beads. This material is designed with a rectangular shape and comprises both a front and rear side. Notably, the average density of the molded article ranges from 20 kg/m³ to 50 kg/m³, with a rear thin portion that possesses a thickness between 10 mm and 40 mm—significantly smaller than the average thickness of the material. Furthermore, the ratio of the density of the rear thin portion to the average density of the molded article is maintained between 1.05 to 3, ensuring optimal performance. The rear thin portion is engineered with a fusion rate of 70% or more, enhancing the material’s integrity. Hisamatsu’s invention delivers a seat core material with reduced deformation, excellent dimensional accuracy, a sense of unity, and robust strength by integrating frame members and foamed particle molding.

Career Highlights: Hisamatsu has dedicated his career to developing advanced materials that meet the evolving needs of the automotive industry. His work at JSP Corporation, a company renowned for its innovative applications of expanded plastic materials, epitomizes his commitment to excellence in research and development.

Collaborations: Throughout his career, Katsunori Hisamatsu has collaborated with notable colleagues, including Keiichi Hashimoto and Atsuo Takayama. These partnerships have fostered a creative environment that encourages innovation and the cross-pollination of ideas within the field.

Conclusion: Katsunori Hisamatsu's contributions to the development of vehicle seat core materials underscore his role as a leading inventor in the automotive sector. His innovative patents not only enhance safety and comfort for consumers but also demonstrate the potential for advanced materials to transform automotive design. As Hisamatsu continues his work, the impact of his inventions will likely resonate throughout the industry for years to come.