Location History:
- Yokohama, JA (1976 - 1978)
- Kanagawa, JP (1979)
- Yokohama, JP (1980 - 1990)
Company Filing History:
8 out of 1,297 
1 out of 942 Years Active: 1976-1990
Title: Sakae Tsushima: Innovator in Ion Exchange Membrane Technology
Introduction
Sakae Tsushima is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of ion exchange membranes, holding a total of 9 patents. His work focuses on enhancing the efficiency and durability of these membranes, which are crucial in various electrochemical processes.
Latest Patents
One of Tsushima's latest patents is for a reinforced ion exchange membrane and a process for producing the same. This innovation features an ion exchange membrane that is reinforced by a woven fabric, ensuring that the thickness difference at the crossover points does not exceed 35 micrometers. The production process involves heating an assembly of fluorinated polymer films and a woven reinforcing fabric, which helps eliminate gas bubbles during chloralkali electrolysis. This advancement leads to lower cell voltage and reduced electric power consumption. Another significant patent involves a process for fusion bonding fluorocarbon type polymers. This process modifies fluorinated polymers with sulfonium or phosphonium compounds, enhancing their melt-flow characteristics and enabling effective repairs of damaged cation exchange membranes.
Career Highlights
Throughout his career, Sakae Tsushima has worked with prominent companies, including Asahi Kasei Kogyo and Asahi Kasei Corporation. His expertise in polymer technology has positioned him as a key figure in the development of advanced materials for electrochemical applications.
Collaborations
Tsushima has collaborated with notable colleagues such as Hirotsugu Miyauchi and Itaru Watanabe, contributing to the advancement of ion exchange membrane technology through shared knowledge and innovation.
Conclusion
Sakae Tsushima's contributions to the field of ion exchange membranes have significantly impacted the efficiency of electrochemical processes. His innovative patents and collaborations highlight his role as a leading inventor in this specialized area.
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.