Tsuyoshi Hamada

Title: Tsuyoshi Hamada: Innovator in Composite Semipermeable Membranes

Introduction

Tsuyoshi Hamada is a prominent inventor based in Otsu, Japan. He has made significant contributions to the field of composite semipermeable membranes, holding a total of 6 patents. His innovative work has implications for various applications, particularly in filtration and separation technologies.

Latest Patents

Hamada's latest patents include a composite semipermeable membrane that features a substrate, a porous support layer, and a separation functional layer. This separation functional layer consists of a first layer made of crosslinked aromatic polyamide and a coating layer that includes an aliphatic polyamide with a fluorine atom. The membrane is designed to maintain a specific proportion of fluorine atoms and a defined nitrogen to oxygen ratio. Another notable patent involves a composite semipermeable membrane that includes a supporting membrane and a separation functional layer made of crosslinked polyamide and a hydrophilic polymer. This invention emphasizes the importance of the O/N ratio, which is critical for its performance.

Career Highlights

Tsuyoshi Hamada is currently employed at Toray Industries, Inc., where he continues to advance his research and development efforts. His work has been instrumental in enhancing the efficiency and effectiveness of semipermeable membranes, contributing to the company's reputation as a leader in innovative materials.

Collaborations

Hamada has collaborated with notable colleagues, including Masahiro Kimura and Jun Okabe. Their combined expertise has fostered a productive environment for innovation and development in the field of membrane technology.

Conclusion

Tsuyoshi Hamada's contributions to the field of composite semipermeable membranes highlight his role as a key innovator. His patents reflect a commitment to advancing technology and improving filtration processes. His work at Toray Industries, Inc. continues to influence the industry positively.