Inventor
KUWAHARA SHOJIRO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “KUWAHARA SHOJIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI GAS CHEMICAL CO
15 patentsUS5980790ANov 9, 1999
Process for producing a copolymer
MITSUBISHI GAS CHEMICAL CO23 citations92
US5708133AJan 13, 1998
Process for purifying polymer
MITSUBISHI GAS CHEMICAL CO25 citations92
US7179869B2Feb 20, 2007
Process for producing polyester resins
MITSUBISHI GAS CHEMICAL CO37 citations91
US7183362B2Feb 27, 2007
Process for producing polyester resins
MITSUBISHI GAS CHEMICAL CO49 citations90
US6927275B2Aug 9, 2005
Process for producing polyester resins
MITSUBISHI GAS CHEMICAL CO46 citations89
US8030434B2Oct 4, 2011
Polyester film, process for producing the same and use thereof
MITSUBISHI GAS CHEMICAL CO10 citations82
US6653440B2Nov 25, 2003
Process for producing copolyester resin
MITSUBISHI GAS CHEMICAL CO12 citations73
US5599888AFeb 4, 1997
Process for preparing methyl methacrylate polymer
MITSUBISHI GAS CHEMICAL CO9 citations73
US7064169B2Jun 20, 2006
Polyester resin composition
MITSUBISHI GAS CHEMICAL CO3 citations62
US6933348B2Aug 23, 2005
Method of producing powdery coating material
MITSUBISHI GAS CHEMICAL CO3 citations62
US6822022B2Nov 23, 2004
Method of producing polyester powdery coating
MITSUBISHI GAS CHEMICAL CO3 citations62
US5719242AFeb 17, 1998
Process for preparing methyl methacrylate polymer
MITSUBISHI GAS CHEMICAL CO2 citations62
US7056984B2Jun 6, 2006
Acrylic syrup and method of producing same
MITSUBISHI GAS CHEMICAL CO4 citations61
US7910659B2Mar 22, 2011
Acrylic syrup and method of producing the same
MITSUBISHI GAS CHEMICAL CO0 citations50
US7192994B2Mar 20, 2007
Method of producing polyester powdery coating material
MITSUBISHI GAS CHEMICAL CO0 citations41