Company Filing History:
Years Active: 2016
Title: Hitoshi Kitagishi: Innovator in Polarizing Plate Technology
Introduction
Hitoshi Kitagishi is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of materials science, particularly in the development of polarizing plates. With a total of 3 patents to his name, Kitagishi's work has had a notable impact on various applications in the industry.
Latest Patents
One of Kitagishi's latest patents is a method of manufacturing a polarizing plate. This invention provides a technique for creating a polarizing plate that possesses sufficient heat resistance without compromising the dye-affinity of the polarizing film. The method involves a polyester resin base and a polarizing film made from polyvinyl alcohol resin. The process includes stretching the laminate, dyeing the polyvinyl alcohol resin layer, and crystallizing the polyester resin base, with the crystallization step occurring after dyeing.
Another significant patent is related to a resin film that includes a substrate film and an antistatic layer. This antistatic layer is formed on one side of the substrate film and consists of a binder resin and a conductive material. The binder resin is a polyurethane-based resin, and the antistatic layer has an arithmetic average surface roughness of 10 nm or more, incorporating a conductive polymer.
Career Highlights
Hitoshi Kitagishi is currently associated with Nitto Denko Corporation, a leading company in the field of advanced materials. His work at the company has allowed him to focus on innovative solutions that enhance the performance of polarizing plates and related technologies.
Collaborations
Throughout his career, Kitagishi has collaborated with notable colleagues, including Minoru Miyatake and Satoru Kunikata. These collaborations have contributed to the advancement of technology in their respective fields.
Conclusion
Hitoshi Kitagishi's contributions to the field of polarizing plate technology and resin films demonstrate his innovative spirit and dedication to advancing materials science. His patents reflect a commitment to improving product performance and functionality in various applications.