This inventor holds 3 USPTO granted patents. Top assignees: Japan Gasoline Co., Ltd., Jgc Corporation. Active years: 1976-1980.
Location History:
- Yokohama, JA (1976)
- Yokohama, JP (1978 - 1980)
Company Filing History:
Years Active: 1976-1980
Title: Takehiko Takeda: Innovator in Catalytic Reduction Technologies
Introduction
Takehiko Takeda is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of catalytic reduction technologies, particularly in the removal of nitrogen oxides from waste gases. With a total of 3 patents to his name, Takeda's work has implications for environmental protection and industrial efficiency.
Latest Patents
Takeda's latest patents include a catalyst for reducing nitrogen oxides in waste gas and a process for the removal of nitrogen oxides from waste gas. The catalyst comprises at least a metal salt of heteropoly-acid, which includes a sort of heteropoly-acid and one or more metals from the first transition metals of the periodic table. This catalyst exhibits high activity and selectivity in the catalytic reduction of nitrogen oxides with ammonia at temperatures ranging from 250°C to 550°C. It also demonstrates high resistivity to the poisonous effects of sulfur oxides, ensuring efficient use of the reducing agent without excessive consumption.
The process for the removal of nitrogen oxides involves allowing waste gas to contact ammonia as the reducing agent at similar temperatures, in the presence of a catalyst with iron or copper as the active metal. This innovative approach facilitates selective catalytic reduction of nitrogen oxides, contributing to cleaner industrial emissions.
Career Highlights
Throughout his career, Takeda has worked with prominent companies such as Japan Gasoline Co., Ltd. and JGC Corporation. His experience in these organizations has allowed him to develop and refine his innovative technologies, making a lasting impact on the industry.
Collaborations
Takeda has collaborated with notable individuals in his field, including Tadashi Asanabe and Kintaro Tsuda. These partnerships have likely contributed to the advancement of his research and the successful implementation of his inventions.
Conclusion
Takehiko Takeda's contributions to catalytic reduction technologies highlight his role as an influential inventor in Japan. His innovative patents and career achievements reflect his commitment to improving environmental standards through effective industrial processes.