Kyoko Kumagai

Title: Inventor Profile: Kyoko Kumagai

Introduction

Kyoko Kumagai is a prominent inventor located in Kariya, Japan, known for her significant contributions in the field of vehicle manufacturing. With a total of 14 patents to her name, she has demonstrated remarkable innovation and expertise. Her recent work focuses on developing advanced coating agent compositions for protective films in vehicles, showcasing her commitment to enhancing vehicle durability.

Latest Patents

One of Kumagai's latest patents involves a member for vehicles and its manufacturing process. This invention comprises a resinous substrate and a protective film that is partially formed on the surface. The protective film is created using a curing-type coating-agent composition that includes:

- Component (A): Isocyanuric ring-containing urethane (meth)acrylate compound (20 to 80 parts by mass)

- Component (B): Isocyanuric ring-containing tri(meth)acrylate compound (10 to 70 parts by mass)

- Component (C): A reaction product of colloidal silica and an alkoxysilane compound with a maleimide group (1 to 35 parts by mass)

- Component (D): Radical-polymerization initiator (0.1 to 10 parts by mass)

- Component (E): Ultraviolet absorber (1 to 12 parts by mass)

- Component (F): Organic solvent (10 to 1,000 parts by mass)

The protective film resulting from this composition offers exceptional wear resistance and weatherability, making it ideal for application on vehicles.

Career Highlights

Kumagai has held key positions in several reputable companies, including Toyota Jidoshokki Co., Ltd. and Toagosei Company, Ltd. Her innovative spirit and dedication to research and development have significantly contributed to advancements in vehicle manufacturing processes.

Collaborations

Throughout her career, Kumagai has collaborated with other talented professionals, including Hidetaka Hayashi and Toshihisa Shimo. These partnerships have allowed her to enhance her research and expand the scope of her inventions, leading to successful patent applications.

Conclusion

Kyoko Kumagai stands out as a notable inventor with impressive achievements in the field of vehicle manufacturing. Her innovative inventions, particularly in the area of protective films, highlight her exceptional talent and dedication to advancing technology. With 14 patents attributed to her name, she continues to make a significant impact in her industry.