Inventor · disambiguated record
Takeo Kitayama
Also filed as: KITAYAMA TAKEO
31 granted patents·5 pending applications·508 citations·filing 1992–2004
97Inventor score
Files withSUMITOMO CHEMICAL CO33
Top patents by PatentIndex Score
36 records- 0196US5653534AScrew apparatus and method for supplying reinforcing fiber-containing molten resin using the apparatusSUMITOMO CHEMICAL CO·Filed 1995·Granted Aug 5, 1997·95 cites·49 claims
- 0291US6824863B1Fiber reinforced polypropylene-based composite materialSUMITOMO CHEMICAL CO·Filed 2000·Granted Nov 30, 2004·46 cites·5 claims
- 0389US6713139B2Hollow foamed polyolefinic resin containerSUMITOMO CHEMICAL CO·Filed 2002·Granted Mar 30, 2004·39 cites·7 claims
- 0481US6660195B2Process for producing a skin material-laminated foamed thermoplastic resin moldingSUMITOMO CHEMICAL CO·Filed 2001·Granted Dec 9, 2003·18 cites·6 claims
- 0581US5506029AFiber reinforced thermoplastic resin shaped articleSUMITOMO CHEMICAL CO·Filed 1994·Granted Apr 9, 1996·33 cites·8 claims
- 0677US6616879B1Methods for producing multilayer molded articlesSUMITOMO CHEMICAL CO·Filed 2000·Granted Sep 9, 2003·13 cites·4 claims
- 0777US6579488B1Process for producing a thermoplastic resin molded articleSUMITOMO CHEMICAL CO·Filed 2000·Granted Jun 17, 2003·14 cites·3 claims
- 0877US5356588AMethod for forming a fiber reinforced thermoplastic resin shaped articleSUMITOMO CHEMICAL CO·Filed 1992·Granted Oct 18, 1994·28 cites·7 claims
- 0974US6685875B2Foamed thermoplastic resin molding and process for producing the sameSUMITOMO CHEMICAL CO·Filed 2001·Granted Feb 3, 2004·11 cites·1 claims
- 1074US5756017AMethod of simulating resin behavior in press moldingSUMITOMO CHEMICAL CO·Filed 1996·Granted May 26, 1998·34 cites·9 claims
- 1170US5820813AMethod for producing multilayer molded articleSUMITOMO CHEMICAL CO·Filed 1995·Granted Oct 13, 1998·29 cites·9 claims
- 1267US6548577B2Wood-filled thermoplastic resin composition and a process for producing the sameSUMITOMO CHEMICAL CO·Filed 2001·Granted Apr 15, 2003·7 cites·14 claims
- 1365US5783132AProcess for producing a fiber-reinforced thermoplastic resin molded articleSUMITOMO CHEMICAL CO·Filed 1995·Granted Jul 21, 1998·24 cites·8 claims
- 1464US6497838B2Process for producing a hollow foamed polyolefinic resin containerSUMITOMO CHEMICAL CO·Filed 2001·Granted Dec 24, 2002·4 cites·6 claims
- 1561US6811388B2Mold clamping unit and injection molding apparatusSUMITOMO CHEMICAL CO·Filed 2002·Granted Nov 2, 2004·4 cites·17 claims
- 1656US6521073B1Process for producing multilayer molded articleSUMITOMO CHEMICAL CO·Filed 2000·Granted Feb 18, 2003·1 cites·10 claims
- 1755US6835340B2Process for producing multilayer molded articleSUMITOMO CHEMICAL CO·Filed 2002·Granted Dec 28, 2004·1 cites·8 claims
- 1855US6790020B2System for producing foamed article, a molten resin preparing apparatus and a molding apparatus for use in foamed article production systemSUMITOMO CHEMICAL CO·Filed 2001·Granted Sep 14, 2004·12 cites·20 claims
- 1953US6520759B2Manufacturing device of foamed thermoplastic resin sheetSUMITOMO CHEMICAL CO·Filed 1998·Granted Feb 18, 2003·16 cites·24 claims
- 2052US6202947B1Discharge device for mixing and discharging solids of thermoplastic substance and fibers and plasticizing device having this deviceSUMITOMO CHEMICAL CO·Filed 1997·Granted Mar 20, 2001·15 cites·15 claims
- 2152US2004213983A1Multilayer polyolefin foamed sheet and method and apparatus for producing the sameSUMITOMO CHEMICAL CO·Filed 2004·Application pending·0 cites
- 2251US2005062197A1Process for producing multilayer molded articleSUMITOMO CHEMICAL CO·Filed 2004·Application pending·0 cites
- 2348US5431366ASee-through concrete formSUMITOMO CHEMICAL CO·Filed 1994·Granted Jul 11, 1995·14 cites·20 claims
- 2446US6159408AMolded article made of fiber-reinforced thermoplastic material and process for producing the sameSUMITOMO CHEMICAL CO·Filed 1998·Granted Dec 12, 2000·12 cites·8 claims
- 2545US6815047B1Foamed thermoplastic resin sheet and manufacturing method of the sameSUMITOMO CHEMICAL CO·Filed 1998·Granted Nov 9, 2004·9 cites·11 claims
- 2645US2001016255A1Foamed thermoplastic resin articleFiled 2001·Application pending·0 cites
- 2741US2001041236A1Foamed polyolefin-based resin container and process for producing the sameFiled 2001·Application pending·0 cites
- 2840US2002017806A1Vehicle front-end panel made of thermoplastic resinFiled 2001·Application pending·0 cites
- 2939US6294123B1Metal mold for producing a synthetic resin molded productSUMITOMO CHEMICAL CO·Filed 1998·Granted Sep 25, 2001·7 cites·7 claims
- 3039US5795510AMethod of press-molding thermoplastic resinsSUMITOMO CHEMICAL CO·Filed 1996·Granted Aug 18, 1998·8 cites·3 claims
- 3133US6428306B1Molding moldSUMITOMO CHEMICAL CO·Filed 1999·Granted Aug 6, 2002·5 cites·9 claims
- 3233US5525285AProcess for producing concrete form made of thermoplastic resinSUMITOMO CHEMICAL CO·Filed 1994·Granted Jun 11, 1996·4 cites·13 claims
- 3331US5562878AProcess for producing skin material laminated hollow molded article using fluid ejection pinSUMITOMO CHEMICAL CO·Filed 1993·Granted Oct 8, 1996·3 cites·8 claims
- 3429US6124025APolypropylene-based foamed sheetSUMITOMO CHEMICAL CO·Filed 1999·Granted Sep 26, 2000·1 cites·6 claims
- 3528US6001287AMethod of press-molding thermoplastic resinSUMITOMO CHEMICAL CO·Filed 1998·Granted Dec 14, 1999·0 cites·3 claims
- 3628US5849466AThermoplastic resin molded productSUMITOMO CHEMICAL CO·Filed 1997·Granted Dec 15, 1998·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →