This inventor holds 5 USPTO granted patents and 3 EPO patents. Top assignees: Hino Motors, Ltd., Hitachi Metals, Ltd., Other. Active years: 2004-2010.
Location History:
- Hino, JP (2006 - 2009)
- Tokyo, JP (2004 - 2010)
Company Filing History:


Years Active: 2004-2010
Title: Hiroshi Funabashi: Innovator in Exhaust Emission Control Technologies
Introduction
Hiroshi Funabashi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of exhaust emission control technologies, holding a total of 5 patents. His work focuses on improving the efficiency and effectiveness of exhaust gas-cleaning systems, particularly for diesel engines.
Latest Patents
One of Funabashi's latest patents is an exhaust gas-cleaning apparatus designed to clean exhaust gases containing nitrogen oxide and particulate matter emitted from diesel engines. This apparatus features a porous ceramic honeycomb filter and an SCR catalytic converter arranged in a specific order to optimize performance. The honeycomb filter includes multiple flow paths partitioned by porous cell walls, with a catalyst supported by these walls. The design also incorporates plugs to seal certain flow paths, enhancing the filtration process. The ideal ratio of the diameter of the honeycomb filter to the engine's displacement is specified to be 15 mm/liter or more, ensuring effective operation.
Another significant patent is an exhaust emission control device that enhances the sensing accuracy of temperature sensors. This device is crucial for accurately conducting regeneration control of particulate filters. It includes a pair of dispersion plates with communicating holes arranged within a filter casing in the exhaust pipe. The temperature sensor is strategically placed to detect exhaust temperature in the reception chamber, allowing for improved control of exhaust emissions.
Career Highlights
Throughout his career, Hiroshi Funabashi has worked with prominent companies such as Hino Motors, Ltd. and Hitachi Metals, Ltd. His experience in these organizations has contributed to his expertise in developing innovative solutions for exhaust emission control.
Collaborations
Funabashi has collaborated with notable colleagues, including Hirohisa Suwabe and Yasuhiko Otsubo. These partnerships have likely fostered a creative environment that encourages the development of advanced technologies in the field.
Conclusion
Hiroshi Funabashi's contributions to exhaust emission control technologies demonstrate his commitment to innovation and environmental sustainability. His patents reflect a deep understanding of engineering principles and a dedication to improving air quality through advanced filtration systems.