Location History:
- Ogaki, JA (1976)
- Ogaki, JP (1978)
- Sagamihara, JP (1998)
- Zama, JP (1984 - 2004)
Company Filing History:
Years Active: 1976-2004
Title: Norio Takagi: Innovator in Polyester Film Technology
Introduction
Norio Takagi is a prominent inventor based in Zama, Japan, known for his significant contributions to the field of polyester film technology. With a total of seven patents to his name, Takagi has made remarkable advancements that have impacted various industries, particularly in the production of high-quality polyester films.
Latest Patents
Among his latest patents, Takagi has developed a process for producing polyester sheets and films. This innovative process includes the production of biaxially oriented polyester films, which serve as base films for photographic applications. The method involves using a molten aromatic polyester that contains naphthalene-2,6-dicarboxylic acid and ethylene glycol. The process entails passing the molten polymer through a metal fiber nonwoven fabric, melt extruding it into sheet form, and subsequently quenching and solidifying the sheet to create an unoriented film. This film is then biaxially oriented and thermally set, resulting in a biaxially oriented polyester film that contains minimal gel particles.
Career Highlights
Norio Takagi has dedicated his career to advancing polyester film technology, particularly through his work at Teijin Limited. His innovative approaches have not only enhanced the quality of polyester films but have also contributed to the efficiency of their production processes. His expertise in this area has established him as a key figure in the industry.
Collaborations
Throughout his career, Takagi has collaborated with notable colleagues, including Shozo Nitta and Shigenobu Sobajima. These partnerships have fostered a collaborative environment that has led to further innovations in polyester film technology.
Conclusion
Norio Takagi's contributions to polyester film technology through his patents and collaborative efforts have significantly advanced the field. His work continues to influence the production of high-quality polyester films, showcasing the importance of innovation in this industry.
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.