Location History:
- Nogoya, JP (2001)
- Kakamigahara, JP (2003)
- Nagoya, JP (1999 - 2004)
Company Filing History:
7 out of 19,697 
2 out of 832,680 Years Active: 1999-2004
Title: Yosiyasu Andou: Innovator in Exhaust Gas Purification Technologies
Introduction
Yosiyasu Andou is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the field of exhaust gas purification, holding a total of 9 patents. His innovative work focuses on enhancing the performance and durability of catalysts used in internal combustion engines.
Latest Patents
One of Andou's latest patents is a purification catalyst for internal combustion engine exhaust gas. This catalyst utilizes a hexagonal cell monolithic carrier, which demonstrates superior purification performance compared to traditional square cell carriers. The design includes a monolithic carrier with hexagonal cells of 200 cells/in or more, featuring partition walls with a porosity of 25% or more. The catalyst layer on the surface of these walls contains components specifically designed for exhaust gas purification, with a thickness ranging from 10-70 µm.
Another notable patent involves a ceramic carrier and ceramic catalyst body used as NO purification catalysts for lean burn engines. These catalysts are cost-effective, exhibit high-temperature durability, and maintain their catalytic function over extended periods. The ceramic carrier is designed with a diffusion-inhibiting layer that prevents the diffusion of alkali and alkaline earth metals, thereby enhancing durability without compromising catalytic performance.
Career Highlights
Throughout his career, Yosiyasu Andou has worked with Denso Corporation, where he has contributed to various innovative projects. His expertise in catalyst technology has positioned him as a key figure in the development of advanced exhaust gas purification systems.
Collaborations
Andou has collaborated with notable colleagues, including Tomohiko Nakanishi and Kazuhiko Koike. Their combined efforts have led to significant advancements in the field of exhaust gas purification.
Conclusion
Yosiyasu Andou's contributions to exhaust gas purification technology highlight his innovative spirit and dedication to improving environmental standards. His patents reflect a commitment to developing effective solutions for modern automotive challenges.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.