YU

Yoshichika Umemoto

DC Daiichi Kigenso Kagaku Kogyo Co.: 2 patents #13 of 61Top 25%
Overall (All Time): #2,228,251 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6255242 Zirconium- and cerium-based mixed oxide and method of production thereof Toshio Nakatani, Kimio Ouchi 2001-07-03
6150299 Cerium- and zirconium-based mixed oxide, method of producing same and catalyst material for exhaust gas purification Toshio Nakatani, Kimio Ohuchi 2000-11-21