Inventor
HARA TAKAHISA
JP32 patents
⚠️ This page may combine multiple inventors who share the name “HARA TAKAHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
31 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
US5770134AJun 23, 1998
Manufacturing method for multi-layer molded-product consisting of a base having holes through and a covering material
SUMITOMO CHEMICAL CO17 citations93
US5618567AApr 8, 1997
Manufacturing device for producing a multi-layer molded product
SUMITOMO CHEMICAL CO32 citations93
US5820813AOct 13, 1998
Method for producing multilayer molded article
SUMITOMO CHEMICAL CO29 citations92
US5672309ASep 30, 1997
Method for producing molded article of fiber reinforced thermoplastic resin
SUMITOMO CHEMICAL CO39 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
US5308570AMay 3, 1994
Process for producing multilayer molded article
SUMITOMO CHEMICAL CO52 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
US5277865AJan 11, 1994
Gas-assisted injection molding process for producing hollow molded article
SUMITOMO CHEMICAL CO29 citations90
US5783133AJul 21, 1998
Method for making a multilayer molded article
SUMITOMO CHEMICAL CO27 citations89
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
US5585061ADec 17, 1996
Method for producing a multilayer molded article
SUMITOMO CHEMICAL CO18 citations82
US5478627ADec 26, 1995
Laminate
SUMITOMO CHEMICAL CO19 citations82
US5130075AJul 14, 1992
Method for press molding thermoplastic resin
SUMITOMO CHEMICAL CO21 citations82
US6294121B1Sep 25, 2001
Mold for compression molding a resin article
SUMITOMO CHEMICAL CO8 citations74
US5593631AJan 14, 1997
Method for molding resin articles
SUMITOMO CHEMICAL CO17 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
US5516582AMay 14, 1996
Multilayer molded article and method for producing the same
SUMITOMO CHEMICAL CO11 citations73
US5427864AJun 27, 1995
Multilayer molded article
SUMITOMO CHEMICAL CO9 citations73
US6280678B1Aug 28, 2001
Process for producing multilayer molded article
SUMITOMO CHEMICAL CO11 citations71
US6183680B1Feb 6, 2001
Process for producing multilayer molded article
SUMITOMO CHEMICAL CO9 citations70
US4094854AJun 13, 1978
Polyolefin composition
SUMITOMO CHEMICAL CO12 citations68
US6280836B1Aug 28, 2001
Multilayer molded article
SUMITOMO CHEMICAL CO2 citations63