Inventor · disambiguated record
Akihiko Okada
Also filed as: OKADA AKIHIKO
31 granted patents·9 pending applications·841 citations·filing 1992–2009
98Inventor score
Files withIDEMITSU PETROCHEMICAL CO15IDEMITSU KOSAN CO11SUMITOMO CHEMICAL CO7NEC CORP2FUJI SILYSIA CHEMICAL LTD1
Top patents by PatentIndex Score
40 records- 0195US5412024AThermoplastic resin compositionIDEMITSU KOSAN CO·Filed 1992·Granted May 2, 1995·67 cites·16 claims
- 0290US5436397APolystyrene compositionIDEMITSU KOSAN CO·Filed 1994·Granted Jul 25, 1995·43 cites·12 claims
- 0389US6031049ABlends comprising a syndiotactic polystyrene and a polyphenylene etherIDEMITSU PETROCHEMICAL CO·Filed 1998·Granted Feb 29, 2000·44 cites·6 claims
- 0489US5543462AImpact resistant polystyrene compositionIDEMITSU KOSAN CO·Filed 1994·Granted Aug 6, 1996·49 cites·10 claims
- 0589US5352727ASyndiotactic polystyrene compositionIDEMITSU KOSAN CO·Filed 1993·Granted Oct 4, 1994·42 cites·16 claims
- 0689US5326813AThermoplastic resin composition containing a modified polyphenylene etherIDEMITSU KOSAN CO·Filed 1992·Granted Jul 5, 1994·46 cites·10 claims
- 0788US6005050AImpact resistant polystyrene compositionIDEMITSU PETROCHEMICAL CO·Filed 1997·Granted Dec 21, 1999·57 cites·11 claims
- 0888US5418275APolystyrene compositionIDEMITSU KOSAN CO·Filed 1993·Granted May 23, 1995·47 cites·10 claims
- 0987US5902850ASyndiotactic styrenic resin compositionIDEMITSU PETROCHEMICAL CO·Filed 1996·Granted May 11, 1999·40 cites·5 claims
- 1084US5777028AImpact modified syndiotactic polystyrene blendIDEMITSU KOSAN CO·Filed 1995·Granted Jul 7, 1998·42 cites·3 claims
- 1184US5444126AProcess for producing a modified polyphenylene etherIDEMITSU KOSAN CO·Filed 1994·Granted Aug 22, 1995·35 cites·5 claims
- 1281US6469081B1Styrene-based resin compositionIDEMITSU PETROCHEMICAL CO·Filed 2000·Granted Oct 22, 2002·14 cites·10 claims
- 1380US6071643ABattery jar material for sealed secondary battery and battery jar for sealed secondary battery using the sameIDEMITSU PETROCHEMICAL CO·Filed 1996·Granted Jun 6, 2000·66 cites·10 claims
- 1478US5760105AStyrenic resin compositionIDEMITSU KOSAN CO·Filed 1996·Granted Jun 2, 1998·37 cites·22 claims
- 1574US6469098B1Styrene resin composition and method of manufacturing the same, and method of manufacturing styrene resin molded productsIDEMITSU PETROCHEMICAL CO·Filed 2000·Granted Oct 22, 2002·9 cites·14 claims
- 1673US6048932AImpact modified syndiotactic polystyrene blendIDEMITSU KOSAN CO·Filed 1998·Granted Apr 11, 2000·25 cites·4 claims
- 1772US6706786B2Styrene resin composition and method of manufacturing the same, and method of manufacturing styrene resin molded productsIDEMITSU PETROCHEMICAL CO·Filed 2002·Granted Mar 16, 2004·8 cites·22 claims
- 1872US6565905B1Silica gel for stabilization treatment of beer, a method of manufacturing the silica gel and a method of the stabilization treatment of beerFUJI SILYSIA CHEMICAL LTD·Filed 1997·Granted May 20, 2003·31 cites·5 claims
- 1970US6013709APolystyrenic resin composition and molded article thereofIDEMITSU PETROCHEMICAL CO·Filed 1996·Granted Jan 11, 2000·28 cites·18 claims
- 2069US6926973B2Copolymer, polymer composition and polymer light-emitting deviceSUMITOMO CHEMICAL CO·Filed 2002·Granted Aug 9, 2005·13 cites·66 claims
- 2165US6635712B1Molding material, process for producing molded article, and molded articleIDEMITSU PETROCHEMICAL CO·Filed 2000·Granted Oct 21, 2003·6 cites·3 claims
- 2263US2010003602A1Electrode material for non-aqueous secondary batterySUMITOMO CHEMICAL CO·Filed 2009·Application pending·0 cites
- 2357US5952431AProcess for producing acid-modified polyphenylene ether and polystyrenic resin compositionIDEMITSU PETROCHEMICAL CO·Filed 1996·Granted Sep 14, 1999·15 cites·37 claims
- 2456US2002026324A1Computer peripheral sales promoting system and method thereofNEC CORP·Filed 2001·Application pending·0 cites
- 2555US6096829AStyrene-based syndiotactic resin compositionIDEMITSU PETROCHEMICAL CO·Filed 1999·Granted Aug 1, 2000·10 cites·4 claims
- 2654US6169146B1Styrene resin composition and method of manufacturing the same, and method of manufacturing styrene resin molded productsIDEMITSU PETROCHEMICAL CO·Filed 1999·Granted Jan 2, 2001·10 cites·4 claims
- 2753US5798172AStyrenic resin composition and polystyrene oriented filmIDEMITSU PETROCHEMICAL CO·Filed 1995·Granted Aug 25, 1998·13 cites·2 claims
- 2848US6027817APlated molded article and process for producing a plated molded articleIDEMITSU PETROCHEMICAL CO·Filed 1996·Granted Feb 22, 2000·8 cites·23 claims
- 2946US8895675B2Block copolymerFUKUSHIMA DAISUKE·Filed 2006·Granted Nov 25, 2014·0 cites·37 claims
- 3046US5914370AModified syndiotactic styrenic polymer compositions and blendsIDEMITSU KOSAN CO·Filed 1997·Granted Jun 22, 1999·10 cites·16 claims
- 3146US2003162090A1Electrode material for non-aqueous secondary batterySUMITOMO CHEMICAL CO·Filed 2003·Application pending·0 cites
- 3245US6381675B1Switching mechanism and disk array apparatus having the switching mechanismNEC CORP·Filed 1999·Granted Apr 30, 2002·17 cites·18 claims
- 3344US2009045725A1PolyaryleneSUMITOMO CHEMICAL CO·Filed 2006·Application pending·0 cites
- 3441US2004152838A1Chemical-resitant polystyrene resin compositon and molded articleFiled 2002·Application pending·0 cites
- 3541US2004116583A1Styrene polymer composition and molded article obtained therefromFiled 2002·Application pending·0 cites
- 3640US2006204782A1Polymer and polymer light-emitting device using sameSUMITOMO CHEMICAL CO·Filed 2004·Application pending·0 cites
- 3739US2003054077A1Clarification of beer fermentationKIRIN BREWERY·Filed 2002·Application pending·0 cites
- 3838US2008233429A1Polymer Compound and Polymer Light-Emitting Device Using the SameSUMITOMO CHEMICAL CO·Filed 2004·Application pending·0 cites
- 3933US6261697B1Plated molded article and process for producing a plated molded articleIDEMITSU PETROCHEMICAL CO·Filed 1999·Granted Jul 17, 2001·5 cites·10 claims
- 4030US5484831APolyphenylene ether resin compositionSUMITOMO CHEMICAL CO·Filed 1995·Granted Jan 16, 1996·4 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →