Company Filing History:
1 out of 1,432 
1 out of 1 Years Active: 1991-1994
Title: Norihisa Tamashima: Innovator in Polypropylene Resin Composition
Introduction
Norihisa Tamashima is a notable inventor based in Okazaki, Japan. He has made significant contributions to the field of materials science, particularly in the development of polypropylene resin compositions. With a total of 2 patents to his name, Tamashima's work has had a considerable impact on the automotive industry.
Latest Patents
Tamashima's latest patents focus on innovative polypropylene resin compositions. The first patent describes a polypropylene resin composition that includes specific proportions of a crystalline ethylene-propylene block copolymer, a hydrogenated block copolymer, an amorphous ethylene-propylene copolymer, surface-treated talc, fibrous magnesium oxysulfate in granular form, and a metal soap. This composition is well-balanced in rigidity and impact resistance, making it suitable for large-sized automotive parts, particularly instrument panels. The second patent also details a polypropylene resin composition achieved by mixing a crystalline ethylene-propylene block copolymer, an amorphous ethylene-propylene copolymer, talc, and fibrous magnesium oxysulfate. This mixture retains the fiber length of the fibrous magnesium oxysulfate and exhibits high rigidity with the addition of a small amount of metal soap.
Career Highlights
Throughout his career, Norihisa Tamashima has worked with prominent companies such as Ube Industries, Inc. and Toyota Motor Corporation. His experience in these organizations has allowed him to refine his expertise in polymer science and contribute to innovative solutions in the automotive sector.
Collaborations
Tamashima has collaborated with talented individuals in his field, including Kouhei Ueno and Tomohiko Akagawa. These partnerships have fostered a creative environment that has led to the development of advanced materials.
Conclusion
Norihisa Tamashima's contributions to polypropylene resin compositions demonstrate his innovative spirit and dedication to improving materials for the automotive industry. His patents reflect a commitment to enhancing the performance and durability of automotive components.