Inventor
UMEDA TETSU
JP8 patents
⚠️ This page may combine multiple inventors who share the name “UMEDA TETSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
5 patentsUS6303091B1Oct 16, 2001
Metal oxide powder and method for the production of the same
SUMITOMO CHEMICAL CO27 citations92
US5851649ADec 22, 1998
Inorganic porous sintered body and filter
SUMITOMO CHEMICAL CO11 citations72
US5688480ANov 18, 1997
Complex metal oxide powder and method for the production of the same
SUMITOMO CHEMICAL CO16 citations72
US5496513AMar 5, 1996
Preparation method of dense sintered bodies for solid electrolytes
SUMITOMO CHEMICAL CO3 citations61
US10906816B2Feb 2, 2021
Alumina and method for producing automotive catalyst using same
SUMITOMO CHEMICAL CO0 citations53