Location History:
- Toyohashi, JP (2015 - 2017)
- Aichi, JP (2013 - 2018)
- Tokyo, JP (2022 - 2023)
Company Filing History:
6 out of 2,351 
6 out of 1,357 Years Active: 2013-2023
Title: Kazuhiro Sumioka: Innovator in Hydrophilic Porous Carbon Electrode Technology
Introduction
Kazuhiro Sumioka is a prominent inventor based in Aichi, Japan. He has made significant contributions to the field of battery technology, particularly through his innovative work on hydrophilic porous carbon electrodes. With a total of 12 patents to his name, Sumioka's inventions are paving the way for advancements in energy storage solutions.
Latest Patents
One of Sumioka's latest patents is for a hydrophilic porous carbon electrode and its manufacturing method. This electrode exhibits excellent hydrophilicity and high reaction activity when utilized in batteries, resulting in outstanding battery characteristics. The design features a sheet-form hydrophilic porous carbon electrode, where carbon fibers are bonded using a resin carbide. The contact angles of water on both surfaces in the thickness direction range from 0 to 15 degrees, ensuring optimal performance. The manufacturing process involves forming the carbon fiber and binder fiber into a sheet, impregnating it with a thermosetting resin, and subjecting it to heat press processing followed by carbonization at temperatures between 400 to 3000 degrees Celsius in an inert atmosphere. Additionally, the electrode undergoes a heat treatment with an oxidizing gas at temperatures ranging from 400 to 800 degrees Celsius to enhance its hydrophilicity.
Career Highlights
Throughout his career, Kazuhiro Sumioka has worked with notable companies such as Mitsubishi Chemical Corporation and Mitsubishi Rayon Company, Limited. His experience in these organizations has contributed to his expertise in materials science and battery technology.
Collaborations
Sumioka has collaborated with talented individuals in his field, including Yoshihiro Sako and Hiroto Tatsuno. These partnerships have fostered innovation and the development of cutting-edge technologies.
Conclusion
Kazuhiro Sumioka's work in the development of hydrophilic porous carbon electrodes represents a significant advancement in battery technology. His innovative patents and collaborations continue to influence the future of energy storage solutions.