Inventor · disambiguated record
Shigeyoshi Matsubara
Also filed as: MATSUBARA SHIGEYOSHI
17 granted patents·1 pending application·237 citations·filing 1976–2004
94Inventor score
Files withSUMITOMO CHEMICAL CO18
Top patents by PatentIndex Score
18 records- 0185US5308570AProcess for producing multilayer molded articleSUMITOMO CHEMICAL CO·Filed 1991·Granted May 3, 1994·52 cites·12 claims
- 0279US5672309AMethod for producing molded article of fiber reinforced thermoplastic resinSUMITOMO CHEMICAL CO·Filed 1995·Granted Sep 30, 1997·39 cites·16 claims
- 0367US6548577B2Wood-filled thermoplastic resin composition and a process for producing the sameSUMITOMO CHEMICAL CO·Filed 2001·Granted Apr 15, 2003·7 cites·14 claims
- 0462US4073844APreparation of crosslinked polyolefin foams and the moldSUMITOMO CHEMICAL CO·Filed 1976·Granted Feb 14, 1978·17 cites·1 claims
- 0561US5130075AMethod for press molding thermoplastic resinSUMITOMO CHEMICAL CO·Filed 1991·Granted Jul 14, 1992·21 cites·3 claims
- 0653US6520759B2Manufacturing device of foamed thermoplastic resin sheetSUMITOMO CHEMICAL CO·Filed 1998·Granted Feb 18, 2003·16 cites·24 claims
- 0752US6202947B1Discharge 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
- 0852US2004213983A1Multilayer polyolefin foamed sheet and method and apparatus for producing the sameSUMITOMO CHEMICAL CO·Filed 2004·Application pending·0 cites
- 0947US6267576B1Mold assembly for making multilayer molded articleSUMITOMO CHEMICAL CO·Filed 1999·Granted Jul 31, 2001·11 cites·13 claims
- 1046US6231798B1Process for producing multi-layer molded productSUMITOMO CHEMICAL CO·Filed 1995·Granted May 15, 2001·12 cites·12 claims
- 1146US6159408AMolded 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
- 1245US6815047B1Foamed thermoplastic resin sheet and manufacturing method of the sameSUMITOMO CHEMICAL CO·Filed 1998·Granted Nov 9, 2004·9 cites·11 claims
- 1340US6294121B1Mold for compression molding a resin articleSUMITOMO CHEMICAL CO·Filed 1994·Granted Sep 25, 2001·8 cites·11 claims
- 1439US6294123B1Metal mold for producing a synthetic resin molded productSUMITOMO CHEMICAL CO·Filed 1998·Granted Sep 25, 2001·7 cites·7 claims
- 1534US5980805AMethod of making multilayer molded articleSUMITOMO CHEMICAL CO·Filed 1997·Granted Nov 9, 1999·5 cites·11 claims
- 1633US5525285AProcess for producing concrete form made of thermoplastic resinSUMITOMO CHEMICAL CO·Filed 1994·Granted Jun 11, 1996·4 cites·13 claims
- 1730US6146579AProcess for producing thermoplastic resin hollow molded articleSUMITOMO CHEMICAL CO·Filed 1998·Granted Nov 14, 2000·1 cites·10 claims
- 1829US6124025APolypropylene-based foamed sheetSUMITOMO CHEMICAL CO·Filed 1999·Granted Sep 26, 2000·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →