Inventor · disambiguated record
Ryuichi Ishitsubo
Also filed as: ISHITSUBO RYUICHI
11 granted patents·1 pending application·209 citations·filing 1989–2002
91Inventor score
Technology areasB29C
Top patents by PatentIndex Score
12 records- 0189US5238640AMethod of manufacturing a laminated bodySUMITOMO CHEMICAL CO·Filed 1989·Granted Aug 24, 1993·66 cites·32 claims
- 0277US5509990AProcess for producing a multilayer molded articleSUMITOMO CHEMICAL CO·Filed 1993·Granted Apr 23, 1996·33 cites·9 claims
- 0371US5223201AMethod of manufacturing a laminated bodySUMITOMO CHEMICAL CO·Filed 1989·Granted Jun 29, 1993·30 cites·48 claims
- 0459US5622667AProcess for producing skin-integrated laminateSUMITOMO CHEMICAL CO·Filed 1994·Granted Apr 22, 1997·22 cites·1 claims
- 0557US5714175AApparatus for producing a multilayer molded articleSUMITOMO CHEMICAL CO·Filed 1995·Granted Feb 3, 1998·15 cites·12 claims
- 0657US5122320AProcess for producing a multilayer articleSUMITOMO CHEMICAL CO·Filed 1989·Granted Jun 16, 1992·17 cites·35 claims
- 0746US2002058081A1Process and mold for producing a multilayer molded articleSUMITOMO CHEMICAL CO·Filed 2002·Application pending·0 cites
- 0844US6348170B1Process for producing a multilayer molded articleSUMITOMO CHEMICAL CO·Filed 1993·Granted Feb 19, 2002·9 cites·8 claims
- 0934US5545023APressure molding apparatus for molten resinHOSOKAWA SEISAKUSHO·Filed 1995·Granted Aug 13, 1996·5 cites·2 claims
- 1031US5238392APressure molding apparatus for molten resin having a limit switch which detects movement of a gate pinHOSOKAWA SEISAKUSHI COMPANY LT·Filed 1992·Granted Aug 24, 1993·7 cites·2 claims
- 1130US5234336APressure molding apparatus for molten resinHOSOKAWA SEISAKUSHO·Filed 1990·Granted Aug 10, 1993·4 cites·2 claims
- 1228US5338182APressure molding apparatus for molten resinHOSOKAWA SEISAKUSHO·Filed 1992·Granted Aug 16, 1994·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →