Location History:
- Susono, JP (1991 - 1993)
- Mishima, JP (2002 - 2003)
- Tokyo, JP (2019 - 2023)
Company Filing History:
9 out of 4,642 
3 out of 7,680 
1 out of 2 Years Active: 1991-2023
Title: The Innovative Contributions of Kaoru Ohba
Introduction
Kaoru Ohba is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of chemical engineering. With a total of 12 patents to his name, Ohba has made remarkable advancements in various technologies, particularly in the areas of solvent purification and lithium-ion battery production.
Latest Patents
Ohba's latest patents include a purification process for hydrophilic organic solvents. This method describes the removal of ionic contaminants from a hydrophilic organic solvent using a mixed bed of ion exchange resins. The process utilizes a gel-type strong-acid cationic ion exchange resin with a specific moisture holding capacity, along with a gel-type anionic ion exchange resin. Another notable patent involves the use of ethyl cellulose as a dispersant for lithium-ion battery cathode production. This innovative process includes forming a slurry of an active material, a nano-size conductive agent, a binder polymer, a solvent, and a dispersant, where the solvent consists of specific compounds and the dispersant is ethyl cellulose.
Career Highlights
Throughout his career, Kaoru Ohba has worked with esteemed companies such as Dow Global Technologies LLC and The Dow Chemical Company. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in chemical processes and materials.
Collaborations
Ohba has collaborated with notable colleagues, including Xin Jiang and Qi Jiang. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the development of cutting-edge technologies.
Conclusion
Kaoru Ohba's contributions to the field of chemical engineering through his patents and collaborations highlight his role as a leading inventor. His work continues to influence advancements in solvent purification and battery technology, showcasing the importance of innovation in today's technological landscape.