Location History:
- Numazu, JP (2014)
- Shizuoka, JP (2015)
- Tokyo, JP (2023)
Company Filing History:
3 out of 87 
1 out of 2,065 
Years Active: 2014-2023
Title: Takehiro Fujimura: Innovator in Exhaust Gas Purification Technologies
Introduction
Takehiro Fujimura is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of exhaust gas purification, particularly in the development of catalysts for gasoline engines. With a total of 3 patents to his name, Fujimura's work is recognized for its innovative approaches to enhancing environmental performance in automotive applications.
Latest Patents
Fujimura's latest patents include the LNT layered catalyst for lean burn gasoline engines and an exhaust gas purification apparatus utilizing this technology. The LNT layered catalyst is designed to improve the NOx storage rate and achieve a higher NOx purification rate. This catalyst features a substrate with a first catalyst layer containing ceria-alumina particles loaded with platinum (Pt), palladium (Pd), and barium oxide (BaO), and a second layer with ceria-alumina particles carrying platinum (Pt) and rhodium (Rh). The specific composition and distribution of these materials are critical for optimizing performance.
Another significant patent involves a Three-way Catalyst (TWC) that excels in purifying exhaust gases, particularly nitrogen oxides (NO). This catalyst incorporates rhodium (Rh) and barium sulfate (BaSO4) on a porous inorganic oxide, ensuring effective purification of carbon monoxide (CO), hydrocarbons (HC), and nitrogen oxides (NO) from gasoline automobiles.
Career Highlights
Fujimura has worked with prominent companies in the automotive and chemical sectors, including N.E. Chemcat Corporation and Subaru Corporation. His experience in these organizations has allowed him to develop and refine his innovative technologies, contributing to advancements in environmental sustainability.
Collaborations
Throughout his career, Fujimura has collaborated with esteemed colleagues such as Yasuharu Kanno and Yasuyoshi Sasaki. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise in the field of catalyst development.
Conclusion
Takehiro Fujimura's contributions to exhaust gas purification technologies highlight his role as a leading inventor in this critical area. His innovative patents and collaborations reflect a commitment to improving environmental performance in the automotive industry.