Kazutaka Takeda

Title: Kazutaka Takeda: Inventor of a Durable Methane Combustion Catalyst.

Introduction

Kazutaka Takeda is an inventor based in Ibaraki, Japan, and works at Tanaka Precious Metal Technologies Co., Ltd. His patent work includes a methane combustion catalyst designed to operate in exhaust gas containing sulfur oxide.

Latest Patents

Takeda is associated with 1 patent: “Methane combustion catalyst and method for producing same, and method for purifying combustion exhaust gas.” The invention describes a catalyst with platinum and iridium supported on a tin oxide carrier. Its structure includes a region where platinum, iridium, and tin are detected, alongside a region where tin is detected but platinum is not. One specific configuration uses a base catalyst layer containing platinum and iridium on tin oxide, with a tin oxide overcoat. The catalyst is designed to provide strong initial activity and improved durability for methane combustion in sulfur-oxide-containing exhaust gas.

Career Highlights

Takeda’s patent reflects work on catalyst composition and layered structures for combustion exhaust treatment. The invention focuses on maintaining catalytic activity while improving durability under challenging operating conditions.

Collaborations

The patent information names Shunsuke Kato and Shunji Kikuhara as Takeda’s coworkers.

Conclusion

Kazutaka Takeda’s patent work at Tanaka Precious Metal Technologies Co., Ltd. centers on a tin oxide-based methane combustion catalyst intended to combine initial activity with improved durability.