Inventor · disambiguated record
Atsushi Hagiwara
Also filed as: HAGIWARA ATSUSHI
32 granted patents·3 pending applications·653 citations·filing 1994–2012
98Inventor score
Top patents by PatentIndex Score
35 records- 0192US5706165AElectric double-layer capacitorNISSHIN SPINNING·Filed 1994·Granted Jan 6, 1998·89 cites·14 claims
- 0289US6881512B2Separator for fuel cell, process for production thereof, and solid polymer type fuel cell using said separatorNISSHIN SPINNING·Filed 2001·Granted Apr 19, 2005·34 cites·6 claims
- 0387US6939638B2Fuel cell separator, process for production thereof, and polymer electrolyte fuel cellNISSHIN SPINNING·Filed 2001·Granted Sep 6, 2005·28 cites·18 claims
- 0487US6348279B1Separator for polymeric electrolyte fuel cell having a roughened surfaceNISSHIN SPINNING·Filed 1999·Granted Feb 19, 2002·58 cites·2 claims
- 0585US6764624B2Method of producing fuel cell separator, fuel cell separator, and polymer electrolyte fuel cellNISSHIN SPINNING·Filed 2001·Granted Jul 20, 2004·22 cites·6 claims
- 0684US5776372ACarbon composite materialNISSHIN SPINNING·Filed 1996·Granted Jul 7, 1998·35 cites·1 claims
- 0783US5786555APolarizable electrode for electric double-layer capacitor, and electric double-layer capacitor using said polarizable electrodeNISSHIN SPINNING·Filed 1996·Granted Jul 28, 1998·70 cites·11 claims
- 0879US8427704B2Image forming apparatus, image forming method, and image forming program product for processing pixels of vertical and diagonal lines expressed by input multi-value pixel dataTANAKA SHINYA·Filed 2009·Granted Apr 23, 2013·6 cites·18 claims
- 0979US6884535B2Fuel cell separatorNISSHIN SPINNING·Filed 2001·Granted Apr 26, 2005·16 cites·8 claims
- 1078US6461755B1Electroconductive resin composition, fuel cell separator made of said electroconductive resin composition, process for production of said fuel cell separator, and solid polymer type fuel cell using said fuel cell separatorNISSHIN SPINNING·Filed 2000·Granted Oct 8, 2002·14 cites·3 claims
- 1177US6686083B1Carbonaceous composite material, process for production thereof, fuel cell separator, and polymer electrolyte fuel cellNISSHIN SPINNING·Filed 2000·Granted Feb 3, 2004·15 cites·9 claims
- 1277US6242124B1Separator for polymer electrolyte fuel cells and processes for production thereofNISSHIN SPINNING·Filed 1999·Granted Jun 5, 2001·52 cites·2 claims
- 1376US6746792B2Fuel cell separator composition, fuel cell separator and method of manufacture, and solid polymer fuel cellNISSHIN SPINNING·Filed 2002·Granted Jun 8, 2004·16 cites·9 claims
- 1475US6803139B2Electrically conductive resinous composition, fuel cell separator and production thereof, and polymer electrolyte fuel cellNISSHIN SPINNING·Filed 2001·Granted Oct 12, 2004·15 cites·6 claims
- 1574US9772138B2Cooling boxHAGIWARA ATSUSHI·Filed 2012·Granted Sep 26, 2017·5 cites·18 claims
- 1670US6444344B1Material for fuel cell separator and fuel cell separator made from said materialNISSHIN SPINNING·Filed 1999·Granted Sep 3, 2002·39 cites·17 claims
- 1769US6024900AProcess for production of a carbon composite materialNISSHIN SPINNING·Filed 1998·Granted Feb 15, 2000·18 cites·5 claims
- 1868US6815112B2Fuel cell separator and polymer electrolyte fuel cellNISSHIN SPINNING·Filed 2001·Granted Nov 9, 2004·8 cites·8 claims
- 1966US6569372B1Fuel cell separator production system and method, and fuel cell separatorNISSHIN SPINNING·Filed 2000·Granted May 27, 2003·10 cites·7 claims
- 2066US6494926B1Fuel cell separator and production method thereofNISSHIN SPINNING·Filed 2000·Granted Dec 17, 2002·7 cites·9 claims
- 2165US6579083B2Mold for producing fuel cell separatorNISSHIN SPINNING·Filed 2001·Granted Jun 17, 2003·7 cites·3 claims
- 2265US5796574AVitreous carbon-active carbon composite material, process for producing said composite material, and polarizable electrode using said composite material for use in electric double layer capacitorNISSHIN SPINNING·Filed 1996·Granted Aug 18, 1998·25 cites·7 claims
- 2364US9671153B2Low-temperature storageHAGIWARA ATSUSHI·Filed 2012·Granted Jun 6, 2017·2 cites·1 claims
- 2464US8154577B2Apparatus and method of controlling light level of a light source, and recording medium storing program of controlling light level of a light sourceTANAKA SHINYA·Filed 2010·Granted Apr 10, 2012·1 cites·20 claims
- 2564US6397901B1Powder material supply device for producing fuel cell separatorNISSHIN SPINNING·Filed 2000·Granted Jun 4, 2002·6 cites·10 claims
- 2662US6998189B2Fuel cell separator and process for producing the sameNISSHIN SPINNING·Filed 2002·Granted Feb 14, 2006·5 cites·4 claims
- 2758US6593021B1Fuel cell separator and fuel cell of solid polymer typeNISSHIN SPINNING·Filed 2000·Granted Jul 15, 2003·3 cites·12 claims
- 2857US6436567B1Separator for fuel cellsNISSHIN SPINNING·Filed 1998·Granted Aug 20, 2002·21 cites·10 claims
- 2948US2004084798A1Carbonaceous composite material, process for production thereof, fuel cell separator, and polymer electrolyte fuel cellNISSHIN SPINNING·Filed 2003·Application pending·0 cites
- 3047US2004146771A1Method of producing fuel cell separator, fuel separator, and polymer electrolyte fuel cellNISSHIN SPINNING·Filed 2004·Application pending·0 cites
- 3145US8842825B2Data encoding apparatus, data encoding method, data encoding program, and recording mediumHAGIWARA ATSUSHI·Filed 2007·Granted Sep 23, 2014·0 cites·12 claims
- 3243US5972538ACurrent collector for molten salt battery, process for producing material for said current collector, and molten salt battery using said current collectorNISSHIN SPINNING·Filed 1997·Granted Oct 26, 1999·12 cites·10 claims
- 3342US5838531APolarizable electrode for electric double-layer capacitor, and electric double-layer capacitor using polarizable electrodeNISSHIN SPINNING·Filed 1996·Granted Nov 17, 1998·10 cites·11 claims
- 3441US2002132152A1Separator for fuel cell and solid polymer type fuel cell using said separatorFiled 2001·Application pending·0 cites
- 3539US5989464AProcess for producing vitreous carbon-active carbon composite materialNISSHIN SPINNING·Filed 1998·Granted Nov 23, 1999·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →