Location History:
- Ichihara, JA (1977)
- Ichihara, JP (1981 - 1999)
- Chiba, JP (1998 - 2004)
Company Filing History:
Years Active: 1977-2004
Title: Akinori Shiotani: Innovator in Polyimide and Polycarbonate Technologies
Introduction
Akinori Shiotani is a prominent inventor based in Ichihara, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced composite materials. With a total of 11 patents to his name, Shiotani's work has had a substantial impact on various industrial applications.
Latest Patents
One of Shiotani's latest innovations is a polyimide/metal composite sheet. This composite is composed of a metal film and a polyimide film, which is prepared through the reaction of asymmetric biphenyltetracarboxylic acid dianhydride and 1,3-bis(4-aminophenoxy)benzene. The unique feature of this composite is that the polyimide film is firmly bonded to the metal film, making it difficult to peel apart. Additionally, the polyimide film can contain a solid filler, enhancing its properties for various applications.
Another notable patent involves a process for producing polycarbonate. In this process, a diaryl carbonate is produced by decarbonylating a diaryl oxalate, which can be prepared by transesterification of a dialkyl oxalate with a hydroxyaryl compound. This reaction occurs in the presence of a catalyst while removing the resultant carbon monoxide as a by-product. The resulting diaryl carbonate is then condensation-polymerized with a polyhydroxyl compound, allowing for the recovery of a hydroxyaryl compound from the reaction system to produce polycarbonate.
Career Highlights
Akinori Shiotani is currently associated with Ube Industries, Inc., a company known for its innovative materials and chemical products. His work at Ube Industries has allowed him to explore and develop cutting-edge technologies that contribute to the advancement of materials science.
Collaborations
Shiotani has collaborated with notable colleagues, including Hiroshi Itatani and Akiyoshi Yokota. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.
Conclusion
Akinori Shiotani's contributions to the fields of polyimide and polycarbonate technologies highlight his role as a leading inventor in materials science. His innovative patents and collaborations continue to influence the industry and pave the way for