Inventor

HACHIYA TETSUO

JP4 patents

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

JFE CHEMICAL CORP

2 patents

US6858764B2Feb 22, 2005

Method for preparing bromofluorenes

JFE CHEMICAL CORP1 citations49

US6977313B2Dec 20, 2005

Production process of 2,7-dibromofluorenone

JFE CHEMICAL CORP0 citations45

NIPPON KOKAN KK

1 patent

US5130464AJul 14, 1992

Method of manufacturing aromatic urethanes

NIPPON KOKAN KK0 citations48

ADCHEMCO CORP

1 patent

US6150566ANov 21, 2000

Separation and purification method of xylenol isomer

ADCHEMCO CORP0 citations46