Location History:
- Sagamihara, JP (1997 - 2001)
- Iwakuni, JP (2004)
Company Filing History:
Years Active: 1997-2004
Title: Innovations of Hiroshi Tokuda
Introduction
Hiroshi Tokuda is a prominent inventor based in Sagamihara, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced films. With a total of 5 patents to his name, Tokuda's work has garnered attention for its innovative applications.
Latest Patents
Tokuda's latest patents include a multilayer film, a refractive polarizer film, and a semi-transparent film. The multilayer film is designed to be useful as a refractive polarizer or semi-transparent film. It consists of a first layer made of polyester with a main recurring unit of ethylene-2,6-naphthalene dicarboxylate, and a second layer primarily composed of a different thermoplastic resin. Notably, at least one of these layers contains 0.001 to 0.5 wt % of inert fine particles, enhancing its properties. The film exhibits excellent handling characteristics, including film formability and windability, along with adjustable reflectance.
Another significant invention is the biaxially oriented polyester film. This film is characterized by good thickness nonuniformity in both longitudinal and transverse directions, as well as uniform physical properties and high strength. It boasts an F-5 value in the longitudinal direction of 13 kg/mm or more, with a thickness nonuniformity of 8% or less in both directions.
Career Highlights
Hiroshi Tokuda is currently employed at Teijin Limited, a company known for its innovative materials and technologies. His work at Teijin has allowed him to push the boundaries of film technology, contributing to advancements that have practical applications in various industries.
Collaborations
Throughout his career, Tokuda has collaborated with notable colleagues, including Kouhei Endo and Hirofumi Murooka. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Hiroshi Tokuda's contributions to the field of materials science, particularly through his innovative films, highlight his role as a leading inventor. His patents reflect a commitment to advancing technology and improving material properties for practical applications.