Inventor
ARAI TATSUHARU
JP13 patents
⚠️ This page may combine multiple inventors who share the name “ARAI TATSUHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHOWA DENKO KK
12 patentsUS6274782B1Aug 14, 2001
Method for purifying hexafluoroethane
SHOWA DENKO KK26 citations92
US5675046AOct 7, 1997
Process for producing perfluorocarbon
SHOWA DENKO KK40 citations92
US5892134AApr 6, 1999
Method for producing perfluorocarbon
SHOWA DENKO KK7 citations73
US5710351AJan 20, 1998
Process for producing hexafluoroethane
SHOWA DENKO KK15 citations73
US5276223AJan 4, 1994
Process for producing 1,1,1,2-tetrafluoroethane
SHOWA DENKO KK7 citations69
US5227541AJul 13, 1993
Purification of 2,3-dichloro-1-propanol
SHOWA DENKO KK7 citations69
US5382724AJan 17, 1995
Process for purifying 1,1,1,2-tetrafluoroethane
SHOWA DENKO KK7 citations63
US5714648AFeb 3, 1998
Process for producing tetrafluoromethane
SHOWA DENKO KK2 citations62
US5345015ASep 6, 1994
Process for producing 1,1,2-tetrafluoroethane
SHOWA DENKO KK2 citations61
US6752975B2Jun 22, 2004
Combustion exhaust gas treatment process and treatment apparatus
SHOWA DENKO KK2 citations55
US6414204B1Jul 2, 2002
Process for producing allyl chloride
SHOWA DENKO KK1 citations46
US6118030ASep 12, 2000
Process for producing dichloroacetoxypropane and derivatives thereof
SHOWA DENKO KK1 citations46