Company Filing History:
Years Active: 1989-2000
Title: Toshiyuki Hagiwara: Innovator in Cellulose Ester Film Manufacturing
Introduction
Toshiyuki Hagiwara is a notable inventor based in Hino, Japan. He has made significant contributions to the field of materials science, particularly in the development of cellulose ester films. With a total of 5 patents to his name, Hagiwara's work has had a considerable impact on various industries.
Latest Patents
Hagiwara's latest patents include a method for manufacturing cellulose ester films. This innovative process involves dissolving a cellulose ester and a plasticizer in a solvent containing a cyclic diether solvent to create a cellulose ester solution. The solution is then cast onto a support to form a film, which is subsequently separated and dried. The method specifies that the water content of the solution should be between 0.06 to 15 weight percent, and the residual solvent content in the film during the separation step should range from 50 to 450 weight percent. Another notable patent involves a mixing method for forming a compound by combining at least two components through a specific process.
Career Highlights
Throughout his career, Hagiwara has worked with prominent companies such as Konica Corporation and Kanebo, Limited. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in his field.
Collaborations
Hagiwara has collaborated with esteemed colleagues, including Masami Akiyama and Kazuto Kiyohara. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Toshiyuki Hagiwara's contributions to cellulose ester film manufacturing and his collaborations with industry leaders highlight his role as a significant innovator. His work continues to influence advancements in materials science and related fields.