Location History:
- Ube, JP (1989 - 1993)
- Yamaguchi, JP (2001 - 2005)
Company Filing History:
Years Active: 1989-2005
Title: Takuji Takahashi: Innovator in Polyimide Film Technology
Introduction
Takuji Takahashi is a prominent inventor based in Yamaguchi, Japan. He has made significant contributions to the field of materials science, particularly in the development of aromatic polyimide films. With a total of five patents to his name, Takahashi's work has had a substantial impact on the semiconductor industry.
Latest Patents
Takahashi's latest patents include an aromatic polyimide film designed for use as an electro-conductive sealing element in packaged semiconductor devices. This film boasts a thickness ranging from 20 to 60 micrometers, a moisture vapor transmission coefficient of 0.05 to 0.8 g/mm/m·24 hrs, and a water absorption ratio of 2.0% or less. Additionally, it has an elastic modulus in tension of 5,000 MPa or more, with its surface treated using reduced-pressure plasma discharge. Another notable patent involves an aromatic polyimide film and film laminate, which is composed of a 3,3′,4,4′-biphenyltetracarboxylic acid component and a p-phenylenediamine component. This film, with a thickness of 35 to 55 micrometers, is utilized for manufacturing polyimide film/metal film laminates and features a linear thermal expansion coefficient of 17×10 to 24×10 cm/cm/°C (TD) within the temperature range of 50-200°C.
Career Highlights
Takuji Takahashi is currently employed at Ube Industries, Inc., where he continues to innovate and develop advanced materials. His expertise in polyimide films has positioned him as a key figure in the industry, contributing to the advancement of semiconductor technology.
Collaborations
Takahashi has collaborated with notable coworkers, including Tomohiko Yamamoto and Kohji Narui. Their combined efforts have further enhanced the research and development of innovative materials.
Conclusion
Takuji Takahashi's work in the field of aromatic polyimide films exemplifies the importance of innovation in technology. His patents reflect a commitment to advancing materials that meet the demands of modern semiconductor applications.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.