Location History:
- Fujisawa, JP (2004)
- Shizuoka, JP (2016 - 2018)
Company Filing History:
Years Active: 2004-2018
Title: Hirokazu Yamamoto: Innovator in Carbon Membrane Technology
Introduction
Hirokazu Yamamoto is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of carbon membrane technology, holding a total of seven patents. His innovative work focuses on the development of membrane-forming dopes and methods for producing carbon hollow fiber membranes.
Latest Patents
Yamamoto's latest patents include a membrane-forming dope for carbon membranes and a method for producing a carbon hollow fiber membrane using this dope. The membrane-forming dope comprises polyphenylene oxide in a concentration of 15 to 40 wt. % and sulfur in a ratio of 0.1 to 5.0 wt. % of the total weight. This innovative formulation allows for the production of hollow fiber carbon membranes with excellent gas permeability and high gas separation factors. The production process involves molding the dope into a hollow shape, followed by infusibilization and carbonization treatments at specific temperatures.
Career Highlights
Throughout his career, Yamamoto has worked with notable companies such as Nok Corporation and Seiko Epson Corporation. His experience in these organizations has contributed to his expertise in the development of advanced materials and technologies.
Collaborations
Yamamoto has collaborated with esteemed colleagues, including Hiroshi Anzai and Kensuke Watanabe. These partnerships have fostered innovation and the advancement of carbon membrane technology.
Conclusion
Hirokazu Yamamoto's contributions to carbon membrane technology through his patents and collaborations highlight his role as a leading inventor in this field. His work continues to influence advancements in material science and engineering.