Location History:
- Higashihiroshima, JP (2008 - 2012)
- Hiroshima, JP (2010 - 2021)
Company Filing History:
17 out of 4,678 
1 out of 386 Years Active: 2008-2021
Title: Innovations of Koichiro Harada
Introduction
Koichiro Harada is a prominent inventor based in Hiroshima, Japan. He has made significant contributions to the field of exhaust gas purification systems, holding a total of 17 patents. His work focuses on improving environmental sustainability through innovative technologies.
Latest Patents
One of Harada's latest patents is an exhaust gas purification system. This system includes a diesel particulate filter (DPF) for capturing particulate matter (PM) in exhaust gas. It also features a selective catalytic reduction (SCR) catalyst that reduces nitrogen oxides (NOx) in the presence of ammonia (NH3). An injection unit is provided to supply urea to the SCR catalyst, enhancing its efficiency. Additionally, an ammonia oxidation catalyst (AMOX) is included to remove any unreacted ammonia downstream of the SCR catalyst. Notably, the DPF does not contain platinum (Pt) or palladium (Pd), but instead utilizes rhodium (Rh). The AMOX, however, contains platinum. Another significant patent involves a particulate filter equipped with a catalyst and a method for manufacturing this filter. This filter body combusts PM and includes activated alumina sand, active-oxygen-release materials, catalytic metals, and alkali earth metals.
Career Highlights
Throughout his career, Koichiro Harada has worked with notable companies such as Mazda Motor Corporation and Toda Kogyo Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in exhaust gas purification.
Collaborations
Harada has collaborated with several professionals in his field, including Hiroshi Yamada and Akihide Takami. These collaborations have contributed to the advancement of his inventions and the successful implementation of his patented technologies.
Conclusion
Koichiro Harada's contributions to exhaust gas purification technology demonstrate his commitment to innovation and environmental sustainability. His patents reflect a deep understanding of engineering and a dedication to improving air quality through advanced systems.
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.