Inventor · disambiguated record
Takahiro Osada
Also filed as: OSADA TAKAHIRO
25 granted patents·1 pending application·203 citations·filing 1991–2013
95Inventor score
Files withMITSUBISHI PENCIL CO19FUJITSU LTD2KOKUSAN DENKI CO2CASIO COMPUTER CO LTD1KABASAWA YASUNARI1
Top patents by PatentIndex Score
26 records- 0195US5993098AAqueous gel ink-filled ball point penMITSUBISHI PENCIL CO·Filed 1997·Granted Nov 30, 1999·57 cites·8 claims
- 0285US6478495B2Capless writing instrumentMITSUBISHI PENCIL CO·Filed 2002·Granted Nov 12, 2002·24 cites·4 claims
- 0382US7615305B2Fuel reservoir for fuel cellMITSUBISHI PENCIL CO·Filed 2005·Granted Nov 10, 2009·5 cites·15 claims
- 0478US7771890B2Method of preventing leak of liquid fuelMITSUBISHI PENCIL CO·Filed 2009·Granted Aug 10, 2010·3 cites·14 claims
- 0577US7579096B2Fuel reservoir for fuel cellMITSUBISHI PENCIL CO·Filed 2005·Granted Aug 25, 2009·3 cites·16 claims
- 0676US7405865B2Liquid for electrophoretic display, display medium and display device using the sameMITSUBISHI PENCIL CO·Filed 2004·Granted Jul 29, 2008·17 cites·20 claims
- 0771US7883815B2Fuel-storing tank for fuel cellMITSUBISHI PENCIL CO·Filed 2005·Granted Feb 8, 2011·2 cites·16 claims
- 0871US7687178B2Fuel containerCASIO COMPUTER CO LTD·Filed 2005·Granted Mar 30, 2010·2 cites·12 claims
- 0970US6474893B1Writing instrument having excellent cap-off performanceMITSUBISHI PENCIL CO·Filed 1999·Granted Nov 5, 2002·20 cites·8 claims
- 1066US6734233B2Solid adhesive compositionMITSUBISHI PENCIL CO·Filed 2000·Granted May 11, 2004·7 cites·16 claims
- 1164US8173318B2Fuel reservoir for fuel cellOSADA TAKAHIRO·Filed 2005·Granted May 8, 2012·1 cites·15 claims
- 1264US7625656B2Direct methanol fuel cellMITSUBISHI PENCIL CO·Filed 2009·Granted Dec 1, 2009·0 cites·8 claims
- 1363US7556877B2Direct methanol fuel cellMITSUBISHI PENCIL CO·Filed 2003·Granted Jul 7, 2009·5 cites·7 claims
- 1458US6761496B2Writing utensilMITSUBISHI PENCIL CO·Filed 2001·Granted Jul 13, 2004·6 cites·20 claims
- 1556US9087028B2Test method, test apparatus, and recording mediumFUJITSU LTD·Filed 2012·Granted Jul 21, 2015·1 cites·18 claims
- 1654US9043663B2Apparatus and method for testing a memoryFUJITSU LTD·Filed 2013·Granted May 26, 2015·2 cites·9 claims
- 1753US7837404B2ApplicatorMITSUBISHI PENCIL CO·Filed 2004·Granted Nov 23, 2010·1 cites·19 claims
- 1853US6737781B2Rotor yoke having a ring-like inductor forming member for an electric machine rotorKOKUSAN DENKI CO·Filed 2001·Granted May 18, 2004·9 cites·4 claims
- 1952US7001094B2Writing utensil having excellent cap-off performanceMITSUBISHI PENCIL CO·Filed 2001·Granted Feb 21, 2006·5 cites·9 claims
- 2052US6004388ANon-aqueous ink for ball point pen, and ball point penMITSUBISHI PENCIL CO·Filed 1998·Granted Dec 21, 1999·10 cites·8 claims
- 2148US6581584B2Ignition control system for internal combustion engineKOKUSAN DENKI CO·Filed 2001·Granted Jun 24, 2003·4 cites·10 claims
- 2247US5868511ANon-aqueous ink for ball point pen and ball point penMITSUBISHI PENCIL CO·Filed 1995·Granted Feb 9, 1999·8 cites·6 claims
- 2346US5182324AAlcoholic marking ink compositionMITSUBISHI PENCIL CO·Filed 1991·Granted Jan 26, 1993·10 cites·6 claims
- 2445US8820569B2Fuel container, fuel residual amount measurement device, and fuel residual amount measurement methodKABASAWA YASUNARI·Filed 2005·Granted Sep 2, 2014·0 cites·8 claims
- 2545US2007128492A1Fuel cell and fuel reservoir for fuel cellMITSUBISHI PENCIL CO·Filed 2005·Application pending·0 cites
- 2642US6955491B2Marking pen with excellent cap-off performanceMITSUBISHI PENCIL CO·Filed 2001·Granted Oct 18, 2005·1 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →