Inventor · disambiguated record
Tsukasa Maruyama
Also filed as: MARUYAMA TSUKASA
37 granted patents·10 pending applications·447 citations·filing 1993–2020
97Inventor score
Files withYOKOHAMA RUBBER CO LTD15DOWA ELECTRONICS MATERIALS CO LTD11MARUYAMA TSUKASA9DOWA MINING CO4TOKYO INST TECH4
Top patents by PatentIndex Score
47 records- 0195US7351359B2Method for producing conductive polyaniline and organic polymer compositionYOKOHAMA RUBBER CO LTD·Filed 2005·Granted Apr 1, 2008·16 cites·10 claims
- 0294US6908958B2Organically modified layered clay as well as organic polymer composition and tire inner liner containing sameYOKOHAMA RUBBER CO LTD·Filed 2003·Granted Jun 21, 2005·43 cites·8 claims
- 0391US6483623B1Lamp apparatus for use in optical communication and a process for producing the sameDOWA MINING CO·Filed 1998·Granted Nov 19, 2002·128 cites·8 claims
- 0491US6061160AComponent device for optical communicationDOWA MINING CO·Filed 1997·Granted May 9, 2000·128 cites·14 claims
- 0587US11009629B2Anti-reflection film and deep ultraviolet light-emitting deviceDOWA ELECTRONICS MATERIALS CO LTD·Filed 2017·Granted May 18, 2021·2 cites·15 claims
- 0687USD778849SLight emitting diode chipDOWA ELECTRONICS MATERIALS CO LTD·Filed 2016·Granted Feb 14, 2017·28 cites·1 claims
- 0784US7497975B2Method for producing conductive polyanilineYOKOHAMA RUBBER CO LTD·Filed 2008·Granted Mar 3, 2009·4 cites·3 claims
- 0883US7812516B2Light-emitting device and manufacturing method thereofDOWA ELECTRONICS MATERIALS CO LTD·Filed 2007·Granted Oct 12, 2010·11 cites·6 claims
- 0982US8299270B2Clay modified electrolyte for a dye-sensitized solar cellMARUYAMA TSUKASA·Filed 2007·Granted Oct 30, 2012·7 cites·12 claims
- 1081US8253326B2Light-emitting device and manufacturing method thereofMARUYAMA TSUKASA·Filed 2010·Granted Aug 28, 2012·5 cites·12 claims
- 1180US8957305B2Electrolyte for photoelectric conversion element, and photoelectric conversion element and dye-sensitized solar cell using sameMARUYAMA TSUKASA·Filed 2011·Granted Feb 17, 2015·3 cites·9 claims
- 1279US7585433B2Polyaniline/carbon composite and electric double-layer capacitor using sameYOKOHAMA RUBBER CO LTD·Filed 2007·Granted Sep 8, 2009·6 cites·4 claims
- 1378US7663863B2Electrode for capacitor and electric double layer capacitor using the sameYOKOHAMA RUBBER CO LTD·Filed 2007·Granted Feb 16, 2010·5 cites·19 claims
- 1474US7875209B2Photovoltaic device comprising conductive polyanilineYOKOHAMA RUBBER CO LTD·Filed 2008·Granted Jan 25, 2011·4 cites·2 claims
- 1570US8338692B2Electrolyte for photoelectric conversion elements, and photoelectric conversion element and dye-sensitized solar cell using the electrolyteIMAZAKI YOSHIMASA·Filed 2009·Granted Dec 25, 2012·3 cites·15 claims
- 1670US6720378B2Rubber composition having improved wet skid resistance and rolling resistanceYOKOHAMA RUBBER CO LTD·Filed 2003·Granted Apr 13, 2004·7 cites·8 claims
- 1769US8481849B2Electrolyte for photovoltaic device as well as photovoltaic device and dye-sensitized solar cell including that electrolyteMARUYAMA TSUKASA·Filed 2005·Granted Jul 9, 2013·1 cites·20 claims
- 1867USD915308SLight emitting diode chipDOWA ELECTRONICS MATERIALS CO LTD·Filed 2019·Granted Apr 6, 2021·9 cites·1 claims
- 1967US8469760B2Light emitting device and method for producing sameMARUYAMA TSUKASA·Filed 2007·Granted Jun 25, 2013·3 cites·11 claims
- 2064US8164254B2Light-emitting device and manufacturing method thereofMARUYAMA TSUKASA·Filed 2007·Granted Apr 24, 2012·2 cites·15 claims
- 2161US6344510B1Rubber vulcanization agent and rubber composition containing the sameYOKOHAMA RUBBER CO LTD·Filed 2000·Granted Feb 5, 2002·3 cites·5 claims
- 2261US2016006036A1Carbon material and electrode material using sameYOKOHAMA RUBBER CO LTD·Filed 2014·Application pending·0 cites
- 2360US10128505B2Carbon material, electrode material using same and method of manufacturing sameYOKOHAMA RUBBER CO LTD·Filed 2017·Granted Nov 13, 2018·0 cites·6 claims
- 2460US8222515B2Electrolyte for photoelectric conversion elements, and photoelectric conversion element and dye-sensitized solar cell using the electrolyteIMAZAKI YOSHIMASA·Filed 2009·Granted Jul 17, 2012·4 cites·9 claims
- 2555US12107199B2Light-emitting element lamp and method for manufacturing the sameDOWA ELECTRONICS MATERIALS CO LTD·Filed 2020·Granted Oct 1, 2024·0 cites·15 claims
- 2654US7956536B2Light emitting device and method for producing sameDOWA ELECTRONICS MATERIALS CO LTD·Filed 2009·Granted Jun 7, 2011·0 cites·4 claims
- 2753US9165720B2Conductive polymer/porous carbon material composite and electrode material using sameSAKAI TOMOYUKI·Filed 2012·Granted Oct 20, 2015·0 cites·24 claims
- 2853US2010013375A1Light emitting device and method for producing sameDOWA ELECTRONICS MATERIALS CO LTD·Filed 2009·Application pending·0 cites
- 2950US12113155B2Method of manufacturing optical semiconductor device and optical semiconductor deviceDOWA ELECTRONICS MATERIALS CO LTD·Filed 2020·Granted Oct 8, 2024·0 cites·7 claims
- 3050US7878876B2Light emitting device and method for producing sameDOWA ELECTRONICS MATERIALS CO LTD·Filed 2007·Granted Feb 1, 2011·0 cites·4 claims
- 3150US2008042110A1Polyaniline/porous carbon composite and electric double layer capacitor using the sameYOKOHAMA RUBBER CO LTD·Filed 2007·Application pending·0 cites
- 3250US2016285096A1Graphite material and electrode material using sameYOKOHAMA RUBBER CO LTD·Filed 2014·Application pending·0 cites
- 3348US2013206234A1Electrolyte for photoelectric conversion element, and photoelectric conversion element and dye-sensitised solar cell using sameMARUYAMA TSUKASA·Filed 2011·Application pending·0 cites
- 3447US9287056B2Electrolyte for photoelectric conversion element, photoelectric conversion element using the electrolyte, and dye-sensitized solar cell using the electrolyteMARUYAMA TSUKASA·Filed 2011·Granted Mar 15, 2016·0 cites·6 claims
- 3547US2013008502A1Electrolyte for photoelectric conversion elements, and photoelectric conversion element and dye-sensitized solar cell using the electrolyteYOKOHAMA RUBBER CO LTD·Filed 2011·Application pending·0 cites
- 3647US2006124908A1Modified conductive polymer and conductive member using the sameYOKOHAMA RUBBER CO LTD·Filed 2005·Application pending·0 cites
- 3746USD915309SLight emitting diode chipDOWA ELECTRONICS MATERIALS CO LTD·Filed 2019·Granted Apr 6, 2021·3 cites·1 claims
- 3846US6346701B1Photodetection method and photodetection device and photodetection/light emission deviceDOWA MINING CO·Filed 1999·Granted Feb 12, 2002·12 cites·14 claims
- 3945US2002045686A1Rubber composition having improved wet skid resistance and rolling resistanceYOKOHAMA RUBBER CO LTD·Filed 2001·Application pending·0 cites
- 4042US5436316APoly(alkylpyridine-2,5-diyl) and preparation thereofTOKYO INST TECH·Filed 1993·Granted Jul 25, 1995·3 cites·11 claims
- 4142US2013202962A1Conductive polymer/porous carbon material composite and electrode material using sameSAKAI TOMOYUKI·Filed 2011·Application pending·0 cites
- 4241US2012037230A1Electrolyte for photoelectric conversion elements, and photoelectric conversion element and dye-sensitized solar cell using the electrolyteMARUYAMA TSUKASA·Filed 2010·Application pending·0 cites
- 4340USD857638SLight emitting diode chipDOWA ELECTRONICS MATERIALS CO LTD·Filed 2018·Granted Aug 27, 2019·2 cites·1 claims
- 4438US5424381AAlkyl-substituted poly(2,2'-bipyridine-5,5'-diyl) and use thereofTOKYO INST TECH·Filed 1993·Granted Jun 13, 1995·2 cites·6 claims
- 4534US5548048AProcess for manufacturing alkyl-substituted poly (2,2'-diyl) bipyridine-5,5'-diylTOKYO INST TECH·Filed 1995·Granted Aug 20, 1996·2 cites·6 claims
- 4630US5959755ALamp apparatus for optical communicationDOWA MINING CO·Filed 1997·Granted Sep 28, 1999·1 cites·5 claims
- 4730US5475082AUse of poly(alkylpyridine-2,5-diyl)TOKYO INST TECH·Filed 1995·Granted Dec 12, 1995·0 cites·15 claims
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