Company Filing History:
Years Active: 1998-2000
Title: The Innovations of Akinori Otani: Pioneering Aromatic Polyimide Films
Introduction
Akinori Otani, an esteemed inventor based in Yamaguchi, Japan, has made significant contributions to the field of materials science. With three patents to his name, his work primarily focuses on the development of aromatic polyimide films, which are crucial in various high-performance applications, especially in the electronics industry.
Latest Patents
Otani's latest innovations include two notable patents concerning aromatic polyimide films. The first patent details an aromatic polyimide film designed for the preparation of laminates that include an adhesive layer and an electroconductive sheet. This film is composed of a polyimide derived from a tetracarboxylic acid component, notable for containing at least 15 molar percent of biphenyltetracarboxylic acid. Moreover, an aromatic diamine component is integrated, containing at least 5 molar percent of phenylenediamine, resulting in an edge tearing resistance of 11 to 22 kg/20 mm/10 µm while maintaining a volatile component weight percentage of no more than 0.4.
In his second patent, Otani presents an aromatic polyimide film in a continuous tape form, ranging in thickness from 50 to 125 µm. This film, advantageous for electric circuit manufacturing, incorporates a biphenyltetracarboxylic acid recurring unit and a p-phenylenediamine recurring unit. Its impressive properties include a tensile strength exceeding 30 kg/mm², a tensile modulus greater than 500 kg/mm², and minimal heat shrinkage, contributing to its suitability for sophisticated electronic applications.
Career Highlights
Akinori Otani is associated with Ube Industries, Inc., a renowned company in the field of industrial chemicals and materials. His commitment to innovation and excellence has positioned him as a leading figure within the company and the broader materials science community.
Collaborations
Throughout his career, Otani has collaborated with distinguished colleagues such as Takashi Kohno and Hideaki Okihara. These partnerships have fostered a creative environment that enhances the development and refinement of innovative technologies within the domain of polyimide film applications.
Conclusion
Akinori Otani's contributions to the development of aromatic polyimide films stand as a testament to his expertise and innovative spirit. His patents not only reflect his dedication to advancing material sciences but also underscore the importance of collaboration in achieving groundbreaking technological advancements. As he continues to innovate at Ube Industries, Inc., the impacts of his work will undoubtedly resonate across various industries, paving the way for future developments.