Inventor
ABE TAKAFUMI
JP32 patents
⚠️ This page may combine multiple inventors who share the name “ABE TAKAFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI GAS CHEMICAL CO
22 patentsUS5371273ADec 6, 1994
Process for producing methyl methacrylate
MITSUBISHI GAS CHEMICAL CO25 citations92
US5703272ADec 30, 1997
Process for preparing a carboxylic acid ester
MITSUBISHI GAS CHEMICAL CO21 citations91
US5250729AOct 5, 1993
Process for preparing unsaturated carboxylic acid or ester thereof
MITSUBISHI GAS CHEMICAL CO24 citations91
US5587349ADec 24, 1996
Process for preparing silica-titania catalyst
MITSUBISHI GAS CHEMICAL CO15 citations81
US5225594AJul 6, 1993
Process for producing methacrylic acid
MITSUBISHI GAS CHEMICAL CO12 citations74
US5075493ADec 24, 1991
Process for preparing α, β-unsaturated carboxylic acid ester
MITSUBISHI GAS CHEMICAL CO8 citations73
US5008479AApr 16, 1991
Process for production of 2,6-dimethylnaphthalene
MITSUBISHI GAS CHEMICAL CO7 citations71
US5872266AFeb 16, 1999
Process for producing 3-methyltetrahydrofuran
MITSUBISHI GAS CHEMICAL CO6 citations70
US5990324ANov 23, 1999
Process for producing 3-methyltetrahydrofuran
MITSUBISHI GAS CHEMICAL CO6 citations63
US5663382ASep 2, 1997
Process for preparing 3-methyltetrahydrofuran
MITSUBISHI GAS CHEMICAL CO3 citations63
US5824818AOct 20, 1998
Process for preparing lactate
MITSUBISHI GAS CHEMICAL CO2 citations62
US5053535AOct 1, 1991
Process for producing α-hydroxyisobutyric acid
MITSUBISHI GAS CHEMICAL CO4 citations62
US5023390AJun 11, 1991
Process for production of 2,6-dimethylnaphthalene
MITSUBISHI GAS CHEMICAL CO5 citations62
US6124501ASep 26, 2000
Process for preparing lactamide
MITSUBISHI GAS CHEMICAL CO2 citations61
US5618953AApr 8, 1997
Process for producing 3-methyltetrahydrofuran
MITSUBISHI GAS CHEMICAL CO2 citations60
US5391813AFeb 21, 1995
Process for producing methyl α-hydroxyisobutyrate
MITSUBISHI GAS CHEMICAL CO2 citations59
US5756842AMay 26, 1998
Process for preparing lactamide
MITSUBISHI GAS CHEMICAL CO6 citations58
US5312966AMay 17, 1994
Process for production of carboxylic acid ester and formamide
MITSUBISHI GAS CHEMICAL CO3 citations58
US5587453ADec 24, 1996
Process for purifying methacrylate
MITSUBISHI GAS CHEMICAL CO4 citations54
US6162946ADec 19, 2000
Processing for producing allyl 2-hydroxyisobutyrate
MITSUBISHI GAS CHEMICAL CO1 citations52
US7465832B2Dec 16, 2008
Method of producing xylylenediamine
MITSUBISHI GAS CHEMICAL CO1 citations50
US5439661AAug 8, 1995
Process for producing hydrogen cyanide
MITSUBISHI GAS CHEMICAL CO1 citations48
MITSUBISHI ELECTRIC CORP
5 patentsUS11788547B2Oct 17, 2023
Propeller fan, air-sending device, and refrigeration cycle device
MITSUBISHI ELECTRIC CORP0 citations62
US11434924B2Sep 6, 2022
Propeller fan, air-sending device, and refrigeration cycle device
MITSUBISHI ELECTRIC CORP0 citations62
US11397013B2Jul 26, 2022
Air-sending device and air-conditioning apparatus
MITSUBISHI ELECTRIC CORP1 citations62
US11187238B2Nov 30, 2021
Propeller fan, air-sending device, and refrigeration cycle apparatus
MITSUBISHI ELECTRIC CORP1 citations62
US11187239B2Nov 30, 2021
Propeller fan, air-sending device, and refrigeration cycle apparatus
MITSUBISHI ELECTRIC CORP0 citations52
SONY CORP
3 patentsUS5646603AJul 8, 1997
Remote control apparatus for recording/playback equipment
SONY CORP90 citations94
US6229661B1May 8, 2001
Digital data recording and reproducing apparatus and digital data reproducing apparatus
SONY CORP7 citations74
US6532124B1Mar 11, 2003
Information recording apparatus and method thereof
SONY CORP3 citations63