Location History:
- Ashigara-kami-gun, JP (2019)
- Tokyo, JP (2018 - 2021)
Company Filing History:
3 out of 16,117 
3 out of 19 
3 out of 1,287 
Years Active: 2018-2021
Title: Chisato Katayama: Innovator in Photocatalyst Technology
Introduction
Chisato Katayama is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of photocatalysis, particularly in the development of electrodes for oxygen generation and water decomposition. With a total of 3 patents to her name, her work is paving the way for advancements in sustainable energy solutions.
Latest Patents
One of her latest patents is a photocatalyst electrode for oxygen generation and module. This invention provides a photocatalyst electrode that exhibits a satisfactory onset potential, along with a module that includes this electrode. The design features a current collector layer, a photocatalyst on the current collector layer, and a promoter supported on the photocatalyst. The promoter consists of a first metal oxide with an oxygen generation overvoltage of 0.4 V or lower, and a second metal oxide with a higher overvoltage.
Another significant patent is a method for producing a photocatalyst electrode for water decomposition. This method ensures excellent detachability between the substrate and the photocatalyst layer while achieving high photocurrent density. The process includes forming a metal layer on a substrate, creating a photocatalyst layer through various treatments, and forming a current collecting layer on the opposite side of the substrate.
Career Highlights
Chisato Katayama has worked with notable organizations such as Fujifilm Corporation and the Japan Technological Research Association of Artificial Photosynthetic Chemical Process. Her experience in these companies has allowed her to refine her expertise in photocatalytic technologies.
Collaborations
Throughout her career, she has collaborated with esteemed colleagues, including Kazunari Domen and Tsutomu Minegishi. These partnerships have contributed to her innovative research and development efforts.
Conclusion
Chisato Katayama is a trailblazer in the field of photocatalysis, with her inventions significantly impacting sustainable energy technologies. Her dedication to innovation continues to inspire advancements in this critical area.