Inventor
MATUBARA SHIGEYOSHI
JP17 patents
Patents
17 patentsUS5424020AJun 13, 1995
Method for producing molded article of fiber-reinforced thermoplastic resin
SUMITOMO CHEMICAL CO50 citations96
US5281376AJan 25, 1994
Method for producing polypropylene resin article having skin material lined with foamed layer
SUMITOMO CHEMICAL CO58 citations96
US5275776AJan 4, 1994
Method for producing molded article of fiber-reinforced thermoplastic resin
SUMITOMO CHEMICAL CO48 citations96
US5820813AOct 13, 1998
Method for producing multilayer molded article
SUMITOMO CHEMICAL CO29 citations92
US5543094AAug 6, 1996
Method of forming a multilayer molded article
SUMITOMO CHEMICAL CO33 citations92
US5506029AApr 9, 1996
Fiber reinforced thermoplastic resin shaped article
SUMITOMO CHEMICAL CO33 citations92
US5356588AOct 18, 1994
Method for forming a fiber reinforced thermoplastic resin shaped article
SUMITOMO CHEMICAL CO28 citations92
US5352397AOct 4, 1994
Process for producing multilayer molded article including folding of a skin material over a back of a resin material
SUMITOMO CHEMICAL CO41 citations92
US5252269AOct 12, 1993
Method for molding polypropylene resin
SUMITOMO CHEMICAL CO41 citations92
US5178708AJan 12, 1993
Method for producing multi-layer molded article
SUMITOMO CHEMICAL CO40 citations92
US5034076AJul 23, 1991
Method for press molding thermoplastic resins
SUMITOMO CHEMICAL CO40 citations92
US6203744B1Mar 20, 2001
Method for producing molded article of thermoplastic resin
SUMITOMO CHEMICAL CO18 citations84
US5672403ASep 30, 1997
Multilayer molded article
SUMITOMO CHEMICAL CO15 citations82
US5431366AJul 11, 1995
See-through concrete form
SUMITOMO CHEMICAL CO14 citations74
US5336463AAug 9, 1994
Mold for press molding and process for press molding of thermoplastic resin using the same
SUMITOMO CHEMICAL CO11 citations74
US5304579AApr 19, 1994
Method for molding polypropylene resin
SUMITOMO CHEMICAL CO9 citations74
US5562878AOct 8, 1996
Process for producing skin material laminated hollow molded article using fluid ejection pin
SUMITOMO CHEMICAL CO3 citations63