Location History:
- Gotenba, JP (2015)
- Gotemba, JP (2017)
- Toyota, JP (2021 - 2023)
Company Filing History:
14 out of 36,499 
7 out of 246 
Years Active: 2015-2025
Title: Biography of Shogo Shirakawa
Introduction
Shogo Shirakawa is a prominent inventor based in Toyota, Japan. He has made significant contributions to the field of catalysis, particularly in the development of supported catalyst particles and exhaust gas purification catalysts. With a total of 14 patents to his name, Shirakawa has established himself as a key figure in automotive innovation.
Latest Patents
One of his latest patents involves supported catalyst particles, which include oxide carrier particles and noble metal particles. These noble metal particles are supported on the oxide carrier particles, with a mass of less than or equal to 5 mass % based on the mass of the oxide carrier particles. The average particle size of the noble metal particles, measured by transmission electron microscopy, ranges from 1.0 to 2.0 nm, with a standard deviation σ of less than or equal to 0.8 nm. Another notable patent is for an exhaust gas purification catalyst, which is designed to reduce the amount of noble metal while maintaining catalyst performance. This catalyst comprises a substrate and at least three catalyst coating layers, with specific arrangements of Pd and Rh as catalyst metals.
Career Highlights
Shogo Shirakawa has worked with notable companies such as Toyota Motor Corporation and Cataler Corporation. His work has focused on enhancing the efficiency and effectiveness of catalytic processes in automotive applications. His innovative approaches have contributed to advancements in reducing emissions and improving
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