Location History:
- Hyogo, JP (2013)
- Kobe, JP (2015)
- Pessac, FR (2017 - 2018)
- Shanghai, CN (2014 - 2021)
Company Filing History:
3 out of 662 
2 out of 6 
2 out of 2 Years Active: 2013-2021
Title: Kazuhiko Yokota: Innovator in Complex Oxides and Catalysts
Introduction
Kazuhiko Yokota is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of materials science, particularly in the development of complex oxides and exhaust gas purification catalysts. With a total of 7 patents to his name, Yokota's work is characterized by innovative approaches to enhancing redox abilities and heat resistance in materials.
Latest Patents
Yokota's latest patents include a complex oxide that exhibits high redox ability even at low temperatures. This complex oxide also demonstrates excellent heat resistance and retains its characteristics even after repeated oxidation and reduction at high temperatures. The inventive complex oxide contains more than 0 but no more than 20 parts by mass of silicon, calculated as SiO, per total 100 parts by mass of rare earth metal elements, including cerium, calculated as oxides. Additionally, it has a unique characteristic where, when subjected to temperature-programmed reduction (TPR) measurement in a 10% hydrogen-90% argon atmosphere, its calculated reduction rate at and below 400°C is at least 1.5%.
Another notable patent involves a method for producing the same complex oxide and an exhaust gas purification catalyst. This catalyst contains cerium and other rare earth metal elements, including yttrium, aluminum, and/or zirconium, with a mass ratio of cerium to the other elements ranging from 85:15 to 99:1, calculated as oxides. The catalyst also shows a calculated reduction rate at and below 400°C of at least 2.0% under similar testing conditions.
Career Highlights
Throughout his career, Kazuhiko Yokota has worked with notable companies such as Rhodia Operations and Anan Kasei Co., Ltd. His experience in these organizations has allowed him to refine his expertise in materials science and catalysis.
Collaborations
Yokota has collaborated with esteemed colleagues, including Naotaka Ohtake and Keiichiro Mitsuoka. These partnerships have contributed to the advancement of his research and the successful development of innovative materials.
Conclusion
Kazuhiko Yokota's contributions to the field of complex oxides and catalysts highlight his role as a leading inventor in materials science. His innovative patents and collaborations reflect a