Inventor

HAYASHI TETSURO

JP3 patents

⚠️ This page may combine multiple inventors who share the name “HAYASHI TETSURO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON CATALYTIC CHEM IND

2 patents

US5262570ANov 16, 1993

Method of producing ethylenediamines

NIPPON CATALYTIC CHEM IND4 citations60

US5235107AAug 10, 1993

Method of producing ethylenediamines

NIPPON CATALYTIC CHEM IND1 citations50

NUMANO MASAMITSU

1 patent

US8969751B2Mar 3, 2015

Method of detecting dust and method of preventing erroneous determination of dust detection

NUMANO MASAMITSU0 citations30