Inventor · disambiguated record
Masafumi Ata
Also filed as: ATA MASAFUMI
31 granted patents·10 pending applications·345 citations·filing 1992–2009
97Inventor score
Files withSONY CORP29GOSAIN DHARAM PAL1HUANG HOUJIN1RES INST INNOVATIVE TECH EARTH1SHIRAISHI MASASHI1
Top patents by PatentIndex Score
41 records- 0191US6495290B1Proton conductor, production method thereof, and electrochemical device using the sameSONY CORP·Filed 2000·Granted Dec 17, 2002·80 cites·109 claims
- 0283US5340631AClathrate inclusion compounds and optical recording medium using the sameSONY CORP·Filed 1993·Granted Aug 23, 1994·58 cites·3 claims
- 0378US6815067B2Carbonaceous complex structure and manufacturing method thereforSONY CORP·Filed 2002·Granted Nov 9, 2004·18 cites·11 claims
- 0475US6471929B1Photocatalyst, manufacturing method therefor, and gas decomposition methodSONY CORP·Filed 2000·Granted Oct 29, 2002·18 cites·26 claims
- 0573US6805985B2Fuel cell and fuel cell systemSONY CORP·Filed 2001·Granted Oct 19, 2004·14 cites·8 claims
- 0673US6793967B1Carbonaceous complex structure and manufacturing method thereforSONY CORP·Filed 2000·Granted Sep 21, 2004·17 cites·9 claims
- 0771US7828620B2Method of manufacturing tubular carbon molecule and tubular carbon molecule, method of manufacturing field electron emission device and field electron emission device, and method of manufacturing display unit and display unitSONY CORP·Filed 2004·Granted Nov 9, 2010·9 cites·36 claims
- 0871US7008725B2Hydrogen-storing carbonaceous material and method for producing the same, hydrogen-stored carbonaceous material and method for producing the same and battery and fuel cell using hydrogen-stored carbonaceous materialSONY CORP·Filed 2001·Granted Mar 7, 2006·11 cites·1 claims
- 0970US7892063B2Method of manufacturing tubular carbon molecule and tubular carbon molecule, method of manufacturing recording apparatus and recording apparatus, method of manufacturing field electron emission device and field electron emission device, and method of manufacturing display unit and display unitSONY CORP·Filed 2009·Granted Feb 22, 2011·1 cites·29 claims
- 1068US6855231B2Method and system for production fullereneSONY CORP·Filed 2001·Granted Feb 15, 2005·9 cites·24 claims
- 1167US6777133B2Proton conductor, production method thereof, and electrochemical device using the sameSONY CORP·Filed 2002·Granted Aug 17, 2004·9 cites·14 claims
- 1266US7196386B2Memory element and memory deviceSONY CORP·Filed 2003·Granted Mar 27, 2007·11 cites·36 claims
- 1365US7651803B2Ionic conductor, process for production thereof, and electrochemical deviceSONY CORP·Filed 2006·Granted Jan 26, 2010·2 cites·5 claims
- 1463US7153608B2Ionic conductor, process for production thereof, and electrochemical deviceSONY CORP·Filed 2002·Granted Dec 26, 2006·5 cites·39 claims
- 1563US7014952B2Hydrogen-storing carbonaceous material and method for producing the same, hydrogen-stored carbonaceous material and method for producing the same and battery and fuel cell using hydrogen-stored carbonaceous materialSONY CORP·Filed 2001·Granted Mar 21, 2006·5 cites·8 claims
- 1663US5837390AMetal complex, method for producing the same and optical deviceSONY CORP·Filed 1996·Granted Nov 17, 1998·21 cites·26 claims
- 1761US6998285B2Charge separation type heterojunction structure and manufacturing method thereforSONY CORP·Filed 2003·Granted Feb 14, 2006·4 cites·20 claims
- 1856US5374495ADeveloper for electrostatic electrophotographySONY CORP·Filed 1992·Granted Dec 20, 1994·10 cites·11 claims
- 1954US7771891B2Ionic conductor, process for production thereof, and electrochemical deviceSONY CORP·Filed 2008·Granted Aug 10, 2010·0 cites·3 claims
- 2054US7014951B2Carbonaceous material for hydrogen storage, and method for preparation thereof, carbonaceous material having hydrogen absorbed therein and method for preparation thereof, cell and fuel cell using carbonaceous material having hydrogen absorbed thereinSONY CORP·Filed 2001·Granted Mar 21, 2006·1 cites·4 claims
- 2154US6821665B2Proton conductor, production method thereof, and electrochemical device using the sameSONY CORP·Filed 2002·Granted Nov 23, 2004·8 cites·49 claims
- 2252US7790539B2Electronic device and method for producing the sameSONY CORP·Filed 2008·Granted Sep 7, 2010·0 cites·13 claims
- 2350US7029782B2Electrochemical hydrogen flow rate control systemSONY CORP·Filed 2003·Granted Apr 18, 2006·1 cites·10 claims
- 2449US7719032B2Electronic device and its manufacturing methodSONY CORP·Filed 2003·Granted May 18, 2010·3 cites·15 claims
- 2549US6136474AMethod for producing anode material and non-aqueous electrolyte cell employing such materialsSONY CHEMICALS CORP·Filed 1997·Granted Oct 24, 2000·19 cites·7 claims
- 2646US7161182B2Charge separation type heterojunction structure and manufacturing method thereofRES INST INNOVATIVE TECH EARTH·Filed 2002·Granted Jan 9, 2007·0 cites·15 claims
- 2744US2008124502A1Carbon Nanotube and Manufacturing Method Thereof, and Carbon Nanotube Manufacturing EquipmentHUANG HOUJIN·Filed 2004·Application pending·0 cites
- 2842US2008315746A1Method of Manufacturing Fine Structure, Fine Structure, Display Unit, Method of Manufacturing Recoding Device, and Recoding DeviceGOSAIN DHARAM PAL·Filed 2004·Application pending·0 cites
- 2942US2005077172A1Electrochemical device and gas storage apparatusFiled 2003·Application pending·0 cites
- 3041US2005008559A1Nitrogen-containing carbonaceous material and process for production thereofFiled 2004·Application pending·0 cites
- 3141US2004005269A1Method for selectively producing carbon nanostructuresFiled 2003·Application pending·0 cites
- 3240US2005069480A1Ultrasonic reflux system for one-step purification of carbon nanostructuresFiled 2001·Application pending·0 cites
- 3339US7157183B2Proton conductor, production method thereof, and electrochemical device using the sameSONY CORP·Filed 2002·Granted Jan 2, 2007·2 cites·13 claims
- 3439US2001016283A1Carbonaceous material for hydrogen storage, production method thereof, and electrochemical device and fuel cell using the sameFiled 2001·Application pending·0 cites
- 3539US2003108475A1Carbonaceous material for hydrogen storage and method for preparation thereof, carbonaceous material having hydrogen absorbed therein and method for preparation thereof, cell and fuel using carbonaceous material having hydrogen absorbed thereinFiled 2001·Application pending·0 cites
- 3639US2004076561A1Method for producing hydrogen storage material and hydrogen storing and desorbing apparatusFiled 2001·Application pending·0 cites
- 3737US2007065974A1Method for producing a field effect semiconductor deviceSHIRAISHI MASASHI·Filed 2004·Application pending·0 cites
- 3836US5998009AMagnetic recording mediumSONY CORP·Filed 1997·Granted Dec 7, 1999·5 cites·5 claims
- 3931US5750261AMagnetic recording medium comprising magnetic particles, binder, and a cure agent of isocyanurate trimers, pentamers and heptamersSONY CORP·Filed 1996·Granted May 12, 1998·2 cites·7 claims
- 4030US5589038AMagnetic substanceSONY CORP·Filed 1995·Granted Dec 31, 1996·2 cites·4 claims
- 4129US6316147B1Method for producing anode materialSONY CORP·Filed 1999·Granted Nov 13, 2001·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →