This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignee: Oji Holdings Corporation. Active years: 2016-2019.
Location History:
- Konan, JP (2016)
- Otsu, JP (2017)
- Tokyo, JP (2019)
Company Filing History:
Years Active: 2016-2019
Title: Innovations of Yuichi Shishido in Biaxially Stretched Polypropylene Films
Introduction
Yuichi Shishido is a notable inventor based in Otsu, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced polypropylene films for capacitors. With a total of 3 patents to his name, Shishido's work has had a considerable impact on the industry.
Latest Patents
Shishido's latest patents focus on the creation of biaxially stretched polypropylene films designed for capacitors. One of his innovations includes a film that boasts a thin thickness while maintaining excellent initial voltage resistance and long-term heat resistance. This film is produced by biaxially stretching a polypropylene resin, achieving a crystallite size of 122 Å or less, as determined by the Scherrer's equation. Another patent details a biaxially stretched polypropylene film containing isotactic polypropylene, which exhibits superior heat resistance and withstands voltage performance. The weight average molecular weight of the isotactic polypropylene is measured to be between 250,000 to 450,000, with specific molecular weight distribution parameters that enhance its performance.
Career Highlights
Yuichi Shishido is currently associated with Oji Holdings Corporation, where he continues to innovate in the field of polymer materials. His work has been instrumental in advancing the technology behind capacitor films, which are crucial for various electronic applications.
Collaborations
Shishido has collaborated with notable colleagues such as Tadakazu Ishiwata and Yoshinori Matsuo. Their combined expertise has contributed to the successful development of innovative materials that meet the demands of modern technology.
Conclusion
Yuichi Shishido's contributions to the field of polypropylene films for capacitors highlight his role as a leading inventor in materials science. His patents reflect a commitment to innovation and excellence in engineering.