Inventor
YAMADA TEIJI
JP5 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA TEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
N E CHEMCAT CORP
3 patentsUS5200384AApr 6, 1993
Exhaust gas-purifying catalyst excellent in heat resistance and process for preparation thereof
N E CHEMCAT CORP24 citations90
US5147842ASep 15, 1992
Exhaust gas-purifying catalyst and process for preparation thereof
N E CHEMCAT CORP25 citations90
US5039650AAug 13, 1991
Exhaust gas purification catalyst for suppressing hydrogen sulfide evolution, and process for production thereof
N E CHEMCAT CORP9 citations71