Inventor · disambiguated record
Tetsuo Hachiya
Also filed as: HACHIYA TETSUO
4 granted patents·1 citations·filing 1990–2003
57Inventor score
Technology areasC07C
Top patents by PatentIndex Score
4 records- 0153US6858764B2Method for preparing bromofluorenesJFE CHEMICAL CORP·Filed 2002·Granted Feb 22, 2005·1 cites·5 claims
- 0241US6977313B2Production process of 2,7-dibromofluorenoneJFE CHEMICAL CORP·Filed 2003·Granted Dec 20, 2005·0 cites·4 claims
- 0328US5130464AMethod of manufacturing aromatic urethanesNIPPON KOKAN KK·Filed 1990·Granted Jul 14, 1992·0 cites·36 claims
- 0426US6150566ASeparation and purification method of xylenol isomerADCHEMCO CORP·Filed 1999·Granted Nov 21, 2000·0 cites·10 claims
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