Inventor · disambiguated record
Tatsuharu Arai
Also filed as: ARAI TATSUHARU
13 granted patents·117 citations·filing 1992–2004
90Inventor score
Top patents by PatentIndex Score
13 records- 0191US6274782B1Method for purifying hexafluoroethaneSHOWA DENKO KK·Filed 2000·Granted Aug 14, 2001·26 cites·9 claims
- 0289US5675046AProcess for producing perfluorocarbonSHOWA DENKO KK·Filed 1996·Granted Oct 7, 1997·40 cites·14 claims
- 0376US5710351AProcess for producing hexafluoroethaneSHOWA DENKO KK·Filed 1996·Granted Jan 20, 1998·15 cites·10 claims
- 0461US5892134AMethod for producing perfluorocarbonSHOWA DENKO KK·Filed 1997·Granted Apr 6, 1999·7 cites·5 claims
- 0557US5227541APurification of 2,3-dichloro-1-propanolSHOWA DENKO KK·Filed 1992·Granted Jul 13, 1993·7 cites·3 claims
- 0656US5276223AProcess for producing 1,1,1,2-tetrafluoroethaneSHOWA DENKO KK·Filed 1993·Granted Jan 4, 1994·7 cites·3 claims
- 0752US5382724AProcess for purifying 1,1,1,2-tetrafluoroethaneSHOWA DENKO KK·Filed 1994·Granted Jan 17, 1995·7 cites·11 claims
- 0849US6414204B1Process for producing allyl chlorideSHOWA DENKO KK·Filed 2001·Granted Jul 2, 2002·1 cites·6 claims
- 0944US7468466B2Process for producing hexafluoroethane and use thereofSHOW A DENKO K K·Filed 2004·Granted Dec 23, 2008·0 cites·19 claims
- 1043US6752975B2Combustion exhaust gas treatment process and treatment apparatusSHOWA DENKO KK·Filed 2001·Granted Jun 22, 2004·2 cites·7 claims
- 1141US5345015AProcess for producing 1,1,2-tetrafluoroethaneSHOWA DENKO KK·Filed 1993·Granted Sep 6, 1994·2 cites·4 claims
- 1233US6118030AProcess for producing dichloroacetoxypropane and derivatives thereofSHOWA DENKO KK·Filed 1999·Granted Sep 12, 2000·1 cites·14 claims
- 1333US5714648AProcess for producing tetrafluoromethaneSHOWA DENKO KK·Filed 1996·Granted Feb 3, 1998·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →