This inventor holds 13 USPTO granted patents and 1 EPO patent. Top assignees: Mitsubishi Fuso Truck & Bus Corporation, Mitsubishi Fuso and Bus Corporation, Nissan Diesel Motor Co., Ltd.. Active years: 2003-2013.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kanagawa, JP (2003 - 2005)
- Tochigi, JP (2004 - 2009)
- Tokyo, JP (2006 - 2011)
- Kawasaki, JP (2012 - 2013)
Company Filing History:

Years Active: 2003-2013
Title: Innovations of Yoshinaka Takeda
Introduction
Yoshinaka Takeda is a prominent inventor based in Kawasaki, Japan. He holds a total of 13 patents that showcase his contributions to the field of engineering, particularly in exhaust purification technologies.
Latest Patents
One of his latest inventions is an exhaust purification apparatus for an engine. This apparatus features a first casing interposed in an exhaust path and a second casing set downstream that contains an exhaust purification device. A connecting pipe connects the two casings and includes an insertion portion that is inserted into the first casing. Additionally, an injection nozzle is designed to inject an auxiliary agent into the exhaust flow. The connecting pipe is equipped with multiple through-holes that allow exhaust gas from the first casing to be introduced into the connecting pipe and guided towards the second casing.
Another significant patent is for an exhaust purification device specifically designed for hybrid electric vehicles. This device incorporates an ammonia selective reduction-type NOx catalyst within the exhaust passage of a series-type hybrid electric vehicle. A urea water injector is strategically placed in the exhaust passage to supply urea water into the exhaust gas upstream of the catalyst. The system is designed to control the urea water injector based on the engine's operating state, ensuring optimal performance and emissions reduction.
Career Highlights
Throughout his career, Yoshinaka Takeda has worked with notable companies such as Mitsubishi Fuso Truck & Bus Corporation and Tokyo Roki Co., Ltd. His experience in these organizations has significantly contributed to his expertise in developing innovative solutions for exhaust purification.
Collaborations
Yoshinaka has collaborated with esteemed colleagues, including Satoshi Hiranuma and Shinichi Saito. Their combined efforts have led to advancements in the field of automotive engineering and emissions control.
Conclusion
Yoshinaka Takeda's innovative work in exhaust purification technologies has made a significant impact on the automotive industry. His patents reflect a commitment to improving environmental standards and enhancing vehicle performance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile