Inventor
SHIMODA TOMOAKI
JP66 patents
⚠️ This page may combine multiple inventors who share the name “SHIMODA TOMOAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GEN ELECTRIC
30 patentsUS5717057AFeb 10, 1998
Method of manufacturing polycarbonate
GEN ELECTRIC167 citations99
US5606007AFeb 25, 1997
Processes for preparing aromatic polycarbonates
GEN ELECTRIC93 citations95
US5525701AJun 11, 1996
Method for the manufacture of aromatic polycarbonate
GEN ELECTRIC71 citations95
US6525163B1Feb 25, 2003
Process for the production of polycarbonate
GEN ELECTRIC53 citations94
US6177536B1Jan 23, 2001
Method for quenching of catalyst in the production of low molecular weight polycarbonates
GEN ELECTRIC57 citations94
US5880248AMar 9, 1999
Polycarbonate, copolycarbonate resin compositions and preparing method thereof
GEN ELECTRIC34 citations93
US5859172AJan 12, 1999
Polycarbonate, copolycarbonate resin compositions and preparing method thereof
GEN ELECTRIC30 citations93
US6262218B1Jul 17, 2001
Optical quality polycarbonates with reduced static charge and method for making same
GEN ELECTRIC28 citations92
US6022943AFeb 8, 2000
Optical quality polycarbonates with reduced static charge and method for making same
GEN ELECTRIC39 citations92
US6339138B1Jan 15, 2002
Method of manufacturing polycarbonates
GEN ELECTRIC23 citations91
US5187242AFeb 16, 1993
Polycarbonate, polyestercarbonate resin compounds and preparing methods thereof
GEN ELECTRIC22 citations91
US6455667B1Sep 24, 2002
Method for manufacturing polycarbonate
GEN ELECTRIC23 citations89
US6197918B1Mar 6, 2001
Method for manufacturing aromatic carbonates
GEN ELECTRIC15 citations83
US5532324AJul 2, 1996
Copolymeric polycarbonates, a method for their preparation, and compositions thereof
GEN ELECTRIC14 citations82
US5405933AApr 11, 1995
Copolymerized polycarbonates
GEN ELECTRIC16 citations82
US6562433B1May 13, 2003
Method for the preparation of polycarbonate with reduced levels of fries
GEN ELECTRIC13 citations80
US6197917B1Mar 6, 2001
Method for manufacturing polycarbonate for optical use
GEN ELECTRIC16 citations80
US6303735B1Oct 16, 2001
Polycarbonate production method
GEN ELECTRIC14 citations74
US5646233AJul 8, 1997
Polycarbonate copolycarbonate resin compositions and preparing method thereof
GEN ELECTRIC8 citations74
US5606009AFeb 25, 1997
Copolymerized polycarbonates
GEN ELECTRIC13 citations74
US5606008AFeb 25, 1997
Preparation method of polycarbonate resin
GEN ELECTRIC12 citations74
US5510450AApr 23, 1996
Method of producing copolymerized polycarbonates
GEN ELECTRIC9 citations74
US5276109AJan 4, 1994
Optical polycarbonate compositions
GEN ELECTRIC16 citations74
US7105632B2Sep 12, 2006
Recycle method for polycarbonate resin waste
GEN ELECTRIC7 citations73
US6458914B2Oct 1, 2002
Method for manufacturing dialkyl carbonate
GEN ELECTRIC9 citations73
US5514767AMay 7, 1996
Hot-melt polycondensation method for manufacturing a polycarbonate composition
GEN ELECTRIC16 citations73
US6620902B2Sep 16, 2003
Process for preparing polycarbonate and apparatus for preparing polycarbonate
GEN ELECTRIC8 citations72
US6008315ADec 28, 1999
Manufacturing method for bisphenols and a manufacturing method for polycarbonate
GEN ELECTRIC7 citations71
US5760156AJun 2, 1998
Manufacturing method for polycarbonate
GEN ELECTRIC9 citations71
US6277946B1Aug 21, 2001
Method for preparation of polycarbonates
GEN ELECTRIC9 citations66
GE PLASTICS JAPAN LTD
12 patentsUS5097002AMar 17, 1992
Melt, catalytic process for preparing polycarbonates from carbonic acid diester
GE PLASTICS JAPAN LTD160 citations99
US5151491ASep 29, 1992
Catalytic melt condensation preparation of polycarbonate
GE PLASTICS JAPAN LTD117 citations98
US5470938ANov 28, 1995
Copolymeric polycarbonate compositions containing a sulfonic acid compound
GE PLASTICS JAPAN LTD34 citations96
US5401826AMar 28, 1995
Method for the preparation, of copolymeric polycarbonates
GE PLASTICS JAPAN LTD53 citations96
US5276129AJan 4, 1994
Polycarbonate containing terminal hydroxy groups, low sodium and chlorine content
GE PLASTICS JAPAN LTD57 citations96
US5142018AAug 25, 1992
Process for preparing polycarbonates
GE PLASTICS JAPAN LTD73 citations96
US5026817AJun 25, 1991
Catalytic process for preparing polycarbonates from carbonic acid
GE PLASTICS JAPAN LTD65 citations96
US5502153AMar 26, 1996
Method for preparing optical-grade polycarbonate compositions
GE PLASTICS JAPAN LTD36 citations92
US5364926ANov 15, 1994
Preparing method of polycarbonate resin compounds for the optical use
GE PLASTICS JAPAN LTD41 citations92
US5286834AFeb 15, 1994
Melt preparation of copolycarbonate with alkaline compound catalyst and boric acid compound catalyst
GE PLASTICS JAPAN LTD20 citations92
US5306801AApr 26, 1994
Catalytic melt preparation of polycarbonate with subsequent addition of sulfonic acid compound
GE PLASTICS JAPAN LTD14 citations82
US5324809AJun 28, 1994
Melt catalytic preparation of copolymeric polycarbonate from hydroquinone
GE PLASTICS JAPAN LTD15 citations81
GE PLASTICS JAPAN
5 patentsUS5496921AMar 5, 1996
Melt process for polycarbonate with improved heat stability
GE PLASTICS JAPAN27 citations92
US5484875AJan 16, 1996
Copolymeric polycarbonate production method
GE PLASTICS JAPAN20 citations91
US5418315AMay 23, 1995
Copolymeric polycarbonate production method
GE PLASTICS JAPAN17 citations81
US5384388AJan 24, 1995
Method of producing copolymerized polycarbonates
GE PLASTICS JAPAN9 citations74
US5371170ADec 6, 1994
Polycarbonate production method
GE PLASTICS JAPAN10 citations74
MITSUI PETROCHEMICAL IND
3 patentsUS5057585AOct 15, 1991
Oxygen-permeable article of fluorinated hydrocarbon group-grafted (meth)acrylate polymers
MITSUI PETROCHEMICAL IND23 citations92
US5053281AOct 1, 1991
Aromatic polyamide and gas-barrier property imparting agent composed of it
MITSUI PETROCHEMICAL IND9 citations74
US5068400ANov 26, 1991
Fluorine-containing mono- or poly-alkylene glycol and method for producing same
MITSUI PETROCHEMICAL IND9 citations71
Showing the top 50 of 66 patents by PatentIndex Score.