Location History:
- Hyogo, JP (1991)
- Kobe, JP (1998 - 2005)
Company Filing History:
4 out of 1,702 
3 out of 698 
Years Active: 1991-2005
Title: Sadao Fujii: Innovator in Transparent Film and Display Technology
Introduction
Sadao Fujii is a prominent inventor based in Kobe, Japan. He has made significant contributions to the fields of transparent film and liquid crystal display technology. With a total of 7 patents to his name, Fujii's work has had a lasting impact on the industry.
Latest Patents
Fujii's latest patents include a novel transparent film that comprises a thermoplastic resin A with a substituted or non-substituted imide group at a side chain, and a thermoplastic resin B featuring a substituted or non-substituted phenyl group and a nitrile group at a side chain. This film boasts a retardation value of 0 to 1000 nm, a light transmission of 85% or more, and a haze of 2% or less. Additionally, he has developed a liquid crystal display apparatus with a touch panel. This apparatus includes a polarizing plate, a quarter wave plate, a touch panel, another quarter wave plate, and a liquid crystal cell, arranged in a specific order to optimize performance.
Career Highlights
Throughout his career, Sadao Fujii has worked with notable companies such as Kaneka Corporation and Kanegafuchi Kagaku Kogyo Kabushiki Kaisha. His innovative work has positioned him as a key figure in the development of advanced display technologies.
Collaborations
Fujii has collaborated with esteemed colleagues, including Toshihiko Hikida and Keizo Asaoka. These partnerships have further enhanced his contributions to the field.
Conclusion
Sadao Fujii's inventive spirit and dedication to advancing technology have led to significant innovations in transparent films and display systems. His work continues to influence the industry and inspire future developments.