This inventor holds 11 USPTO granted patents, plus 1 CIPO patent and 2 EPO patents. Top assignees: E.i. Dupont De Nemours and Company, Orient Chemical Industries, Ltd.. Active years: 1998-2010.
Location History:
- Kanagawa, JP (1998)
- Parkersburg, WV (US) (1999)
- Yokohama, JP (2002)
- Utsunomiya, JP (2004 - 2009)
- Tochigi, JP (2007 - 2010)
Company Filing History:
11 out of 16,339 
3 out of 128 Years Active: 1998-2010
Title: Reiko Koshida: Innovator in Thermoplastic Resin Compositions
Introduction
Reiko Koshida is a prominent inventor based in Utsunomiya, Japan. She has made significant contributions to the field of thermoplastic resin compositions, holding a total of 11 patents. Her work focuses on enhancing the properties of materials used in laser welding applications.
Latest Patents
Koshida's latest patents include innovative colored thermoplastic resin compositions designed for laser welding. One of her notable inventions involves thermoplastic resin compositions that incorporate black colorants, specifically amine salts of anthraquinone dyes. These compositions exhibit exceptional mechanical and chemical properties once subjected to laser welding. Another significant patent features thermoplastic resin compositions that utilize a mixture of neutral anthraquinone blue dye and other red dyes. This combination allows the materials to absorb visible light with wavelengths less than 700 nm while transmitting laser beams with wavelengths ranging from 800 nm to 1200 nm, thereby enhancing weldability.
Career Highlights
Throughout her career, Koshida has worked with esteemed companies such as E.I. DuPont de Nemours and Company and Orient Chemical Industries, Ltd. Her experience in these organizations has contributed to her expertise in developing advanced materials for industrial applications.
Collaborations
Koshida has collaborated with notable colleagues, including Ryuichi Hayashi and Yoshiteru Hatase. These partnerships have fostered innovation and the exchange of ideas in the field of thermoplastic materials.
Conclusion
Reiko Koshida's contributions to thermoplastic resin compositions have significantly advanced the capabilities of materials used in laser welding. Her innovative patents and collaborations highlight her role as a leading inventor in this specialized field.