Inventor
KITAYAMA TAKEO
JP34 patents
⚠️ This page may combine multiple inventors who share the name “KITAYAMA TAKEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
31 patentsUS5653534AAug 5, 1997
Screw apparatus and method for supplying reinforcing fiber-containing molten resin using the apparatus
SUMITOMO CHEMICAL CO95 citations96
US6824863B1Nov 30, 2004
Fiber reinforced polypropylene-based composite material
SUMITOMO CHEMICAL CO46 citations93
US6713139B2Mar 30, 2004
Hollow foamed polyolefinic resin container
SUMITOMO CHEMICAL CO39 citations93
US5820813AOct 13, 1998
Method for producing multilayer molded article
SUMITOMO CHEMICAL CO29 citations92
US5783132AJul 21, 1998
Process for producing a fiber-reinforced thermoplastic resin molded article
SUMITOMO CHEMICAL CO24 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
US5756017AMay 26, 1998
Method of simulating resin behavior in press molding
SUMITOMO CHEMICAL CO34 citations91
US6660195B2Dec 9, 2003
Process for producing a skin material-laminated foamed thermoplastic resin molding
SUMITOMO CHEMICAL CO18 citations84
US6616879B1Sep 9, 2003
Methods for producing multilayer molded articles
SUMITOMO CHEMICAL CO13 citations84
US6579488B1Jun 17, 2003
Process for producing a thermoplastic resin molded article
SUMITOMO CHEMICAL CO14 citations84
US6202947B1Mar 20, 2001
Discharge device for mixing and discharging solids of thermoplastic substance and fibers and plasticizing device having this device
SUMITOMO CHEMICAL CO15 citations84
US6520759B2Feb 18, 2003
Manufacturing device of foamed thermoplastic resin sheet
SUMITOMO CHEMICAL CO16 citations82
US6790020B2Sep 14, 2004
System for producing foamed article, a molten resin preparing apparatus and a molding apparatus for use in foamed article production system
SUMITOMO CHEMICAL CO12 citations74
US6685875B2Feb 3, 2004
Foamed thermoplastic resin molding and process for producing the same
SUMITOMO CHEMICAL CO11 citations74
US5431366AJul 11, 1995
See-through concrete form
SUMITOMO CHEMICAL CO14 citations74
US6548577B2Apr 15, 2003
Wood-filled thermoplastic resin composition and a process for producing the same
SUMITOMO CHEMICAL CO7 citations73
US6294123B1Sep 25, 2001
Metal mold for producing a synthetic resin molded product
SUMITOMO CHEMICAL CO7 citations73
US6159408ADec 12, 2000
Molded article made of fiber-reinforced thermoplastic material and process for producing the same
SUMITOMO CHEMICAL CO12 citations73
US6815047B1Nov 9, 2004
Foamed thermoplastic resin sheet and manufacturing method of the same
SUMITOMO CHEMICAL CO9 citations72
US5795510AAug 18, 1998
Method of press-molding thermoplastic resins
SUMITOMO CHEMICAL CO8 citations72
US6811388B2Nov 2, 2004
Mold clamping unit and injection molding apparatus
SUMITOMO CHEMICAL CO4 citations63
US6497838B2Dec 24, 2002
Process for producing a hollow foamed polyolefinic resin container
SUMITOMO CHEMICAL CO4 citations63
US5562878AOct 8, 1996
Process for producing skin material laminated hollow molded article using fluid ejection pin
SUMITOMO CHEMICAL CO3 citations63
US5525285AJun 11, 1996
Process for producing concrete form made of thermoplastic resin
SUMITOMO CHEMICAL CO4 citations63
US6428306B1Aug 6, 2002
Molding mold
SUMITOMO CHEMICAL CO5 citations60
US6835340B2Dec 28, 2004
Process for producing multilayer molded article
SUMITOMO CHEMICAL CO1 citations52
US6521073B1Feb 18, 2003
Process for producing multilayer molded article
SUMITOMO CHEMICAL CO1 citations52
US6124025ASep 26, 2000
Polypropylene-based foamed sheet
SUMITOMO CHEMICAL CO1 citations51
US5849466ADec 15, 1998
Thermoplastic resin molded product
SUMITOMO CHEMICAL CO1 citations49
US6001287ADec 14, 1999
Method of press-molding thermoplastic resin
SUMITOMO CHEMICAL CO0 citations40