Inventor · disambiguated record
Shigeyoshi Matubara
Also filed as: MATUBARA SHIGEYOSHI
17 granted patents·511 citations·filing 1990–1996
95Inventor score
Files withSUMITOMO CHEMICAL CO17
Top patents by PatentIndex Score
17 records- 0187US5424020AMethod for producing molded article of fiber-reinforced thermoplastic resinSUMITOMO CHEMICAL CO·Filed 1993·Granted Jun 13, 1995·50 cites·4 claims
- 0287US5281376AMethod for producing polypropylene resin article having skin material lined with foamed layerSUMITOMO CHEMICAL CO·Filed 1991·Granted Jan 25, 1994·58 cites·14 claims
- 0386US5275776AMethod for producing molded article of fiber-reinforced thermoplastic resinSUMITOMO CHEMICAL CO·Filed 1990·Granted Jan 4, 1994·48 cites·5 claims
- 0483US5252269AMethod for molding polypropylene resinSUMITOMO CHEMICAL CO·Filed 1991·Granted Oct 12, 1993·41 cites·10 claims
- 0581US5506029AFiber reinforced thermoplastic resin shaped articleSUMITOMO CHEMICAL CO·Filed 1994·Granted Apr 9, 1996·33 cites·8 claims
- 0679US5543094AMethod of forming a multilayer molded articleSUMITOMO CHEMICAL CO·Filed 1995·Granted Aug 6, 1996·33 cites·10 claims
- 0779US5352397AProcess for producing multilayer molded article including folding of a skin material over a back of a resin materialSUMITOMO CHEMICAL CO·Filed 1992·Granted Oct 4, 1994·41 cites·4 claims
- 0879US5178708AMethod for producing multi-layer molded articleSUMITOMO CHEMICAL CO·Filed 1992·Granted Jan 12, 1993·40 cites·4 claims
- 0977US5356588AMethod for forming a fiber reinforced thermoplastic resin shaped articleSUMITOMO CHEMICAL CO·Filed 1992·Granted Oct 18, 1994·28 cites·7 claims
- 1073US5034076AMethod for press molding thermoplastic resinsSUMITOMO CHEMICAL CO·Filed 1990·Granted Jul 23, 1991·40 cites·12 claims
- 1170US5820813AMethod for producing multilayer molded articleSUMITOMO CHEMICAL CO·Filed 1995·Granted Oct 13, 1998·29 cites·9 claims
- 1259US5672403AMultilayer molded articleSUMITOMO CHEMICAL CO·Filed 1996·Granted Sep 30, 1997·15 cites·9 claims
- 1357US6203744B1Method for producing molded article of thermoplastic resinSUMITOMO CHEMICAL CO·Filed 1995·Granted Mar 20, 2001·18 cites·20 claims
- 1448US5431366ASee-through concrete formSUMITOMO CHEMICAL CO·Filed 1994·Granted Jul 11, 1995·14 cites·20 claims
- 1545US5336463AMold for press molding and process for press molding of thermoplastic resin using the sameSUMITOMO CHEMICAL CO·Filed 1992·Granted Aug 9, 1994·11 cites·10 claims
- 1645US5304579AMethod for molding polypropylene resinSUMITOMO CHEMICAL CO·Filed 1993·Granted Apr 19, 1994·9 cites·9 claims
- 1731US5562878AProcess for producing skin material laminated hollow molded article using fluid ejection pinSUMITOMO CHEMICAL CO·Filed 1993·Granted Oct 8, 1996·3 cites·8 claims
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