Location History:
- Ichihara, JP (2002 - 2004)
- Chiba, JP (2003 - 2015)
Company Filing History:
Years Active: 2002-2015
Title: Yoshiaki Watanabe: Innovator in Polyimide Membrane Technology
Introduction
Yoshiaki Watanabe is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced polyimide membranes. With a total of 4 patents to his name, Watanabe's work has had a substantial impact on various industrial applications.
Latest Patents
Watanabe's latest patents include a groundbreaking invention related to porous polyimide membranes. This invention features a three-layer structure that consists of two surface layers and a macrovoid layer sandwiched between them. The macrovoid layer is designed with partition walls that bond to the surface layers, creating multiple macrovoids with a mean pore size ranging from 10 to 500 micrometers. Additionally, the partition wall has a thickness of 0.1 to 50 micrometers and contains multiple pores with a mean size of 0.01 to 50 micrometers. The surface layers also have specific pore characteristics, enhancing the film's overall functionality. The total thickness of the film ranges from 5 to 500 micrometers, with a porosity of 60 to 95%. Another notable patent involves photosensitive resin compositions and insulating films, which are crucial for various electronic applications.
Career Highlights
Throughout his career, Watanabe has worked with several notable companies, including Ube Industries, Inc. and Sii Printek Inc. His experience in these organizations has allowed him to refine his expertise in polymer technology and innovation.
Collaborations
Watanabe has collaborated with esteemed colleagues such as Seiji Ishikawa and Shigeru Yamamoto. These partnerships have fostered a creative environment that has led to the development of innovative solutions in the field of materials science.
Conclusion
Yoshiaki Watanabe's contributions to polyimide membrane technology and materials science are noteworthy. His innovative patents and collaborations reflect his commitment to advancing the field. Watanabe continues to be a significant figure in the world of inventions and innovations.