Location History:
- Yamaguchi, JP (2003)
- Iwakuni, JP (1985 - 2008)
Company Filing History:
Years Active: 1985-2008
Title: Jiro Sadanobu: Innovator in Polymer Technology
Introduction
Jiro Sadanobu is a distinguished inventor based in Iwakuni, Japan, known for his significant contributions to polymer technology. With an impressive portfolio of 14 patents, Sadanobu has made notable advancements in materials that exhibit unique properties, particularly in the field of battery separators and film applications.
Latest Patents
Among his latest innovations, Sadanobu has developed a "Polymetaphenylene isophthalamide-based polymer porous film" which demonstrates exceptional gas permeability and heat resistance. This film is produced through a specialized process involving the casting of a polymer dope followed by coagulation in a specific bath. Notably, this porous film can incorporate inorganic whiskers and can be combined to form a composite with another thermoplastic polymer film. Additionally, he introduced a "Polyimide film and process for producing the same" which results in a high-strength, oriented polyimide film. The production process involves stretching a gelled film formed by combining polyamic acid with a condensation agent, with subsequent swelling during stretching to enhance properties.
Career Highlights
Jiro Sadanobu is currently employed by Teijin Limited, a prominent company known for its innovations in advanced materials. His career is highlighted by a focus on developing high-performance polymers that cater to various industrial applications, particularly in electronics and energy sectors.
Collaborations
Throughout his career, Sadanobu has worked alongside notable colleagues such as Tsutomu Nakamura and Toyoaki Ishiwata. Their collaborative efforts have contributed to advancements in polymer science and have fostered an innovative environment at Teijin Limited.
Conclusion
Jiro Sadanobu's contributions to polymer technology underscore the vital role of inventors in shaping modern materials science. His patents not only reflect his expertise but also signify the potential impact of innovative materials in future applications, particularly in energy solutions and electronics. As he continues to develop new technologies, Sadanobu remains a key figure in the landscape of advanced materials innovation.
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.