Inventor · disambiguated record
Toshifumi Tanaka
Also filed as: TANAKA TOSHIFUMI
39 granted patents·4 pending applications·401 citations·filing 1988–2016
97Inventor score
Files withTDK CORP18TANAKA TOSHIFUMI5FUJITSU MEDIA DEVICES LTD4MATSUSHITA ELECTRIC WORKS LTD4PANASONIC CORP4
Top patents by PatentIndex Score
43 records- 0193US6576320B2Optical information medium and evaluation methodTDK CORP·Filed 2001·Granted Jun 10, 2003·44 cites·11 claims
- 0289US7186438B2Artificial finger print liquid, testing method for optical information medium using it, and optical information mediumTDK CORP·Filed 2005·Granted Mar 6, 2007·6 cites·6 claims
- 0380US9462647B2Lighting device, head light and vehiclePANASONIC IP MAN CO LTD·Filed 2016·Granted Oct 4, 2016·4 cites·14 claims
- 0480US7638171B2Artificial finger print liquid, testing method for optical information medium using it, and optical information mediumTDK CORP·Filed 2006·Granted Dec 29, 2009·2 cites·6 claims
- 0580US7002305B2Electronic ballast for a discharge lampMATSUSHITA ELECTRIC WORKS LTD·Filed 2003·Granted Feb 21, 2006·26 cites·18 claims
- 0680US6693393B2Ballast for a discharge lampMATSUSHITA ELECTRIC WORKS LTD·Filed 2002·Granted Feb 17, 2004·26 cites·19 claims
- 0779US8395321B2Vehicle headlamp control apparatus, vehicle headlamp control system and vehicle headlamp, high intensity discharge lamp control apparatus, high intensity discharge lamp control system and vehicle headlampTANAKA TOSHIFUMI·Filed 2007·Granted Mar 12, 2013·7 cites·28 claims
- 0879US7264860B2Artificial finger print liquid, testing method for optical information medium using it, and optical information mediumTDK CORP·Filed 2005·Granted Sep 4, 2007·2 cites·21 claims
- 0978US7583058B2Method of charging lithium ion secondary battery including a constant current, charging apparatus, and power supply apparatusTDK CORP·Filed 2004·Granted Sep 1, 2009·15 cites·14 claims
- 1076US8330374B2Vehicle-mounted load controller, vehicle-mounted headlight device, and vehicle-mounted taillight deviceTANAKA TOSHIFUMI·Filed 2008·Granted Dec 11, 2012·8 cites·17 claims
- 1176US7158466B2Multilayer optical recording medium, method for recording data, and recorderTDK CORP·Filed 2002·Granted Jan 2, 2007·10 cites·10 claims
- 1274US7493801B2Artificial finger print liquid, testing method for optical information medium using it, and optical information mediumTDK CORP·Filed 2006·Granted Feb 24, 2009·1 cites·14 claims
- 1374US5541910AOptical disk substrate and optical disk using the sameTDK CORP·Filed 1995·Granted Jul 30, 1996·30 cites·12 claims
- 1472US8502632B2Transformer, power converter, lighting device, lighting device for vehicle, and vehicle using the sameSUGANUMA KAZUTOSHI·Filed 2009·Granted Aug 6, 2013·13 cites·12 claims
- 1572US6861812B2Discharge lamp ballast with DC-DC converterMATSUSHITA ELECTRIC WORKS LTD·Filed 2002·Granted Mar 1, 2005·16 cites·17 claims
- 1671US7368881B2Discharge lamp lighting apparatus and lamp system using the lighting apparatusMATSUSHITA ELECTRIC WORKS LTD·Filed 2004·Granted May 6, 2008·17 cites·24 claims
- 1771US5244706AOptical recording diskTDK CORP·Filed 1992·Granted Sep 14, 1993·22 cites·7 claims
- 1870US8633659B2Lighting device, headlamp apparatus and vehicle using sameTANAKA TOSHIFUMI·Filed 2011·Granted Jan 21, 2014·3 cites·20 claims
- 1963US8089215B2Discharge lamp lighting device, headlight device and vehicle having the sameTANAKA TOSHIFUMI·Filed 2009·Granted Jan 3, 2012·2 cites·16 claims
- 2062US9126530B2Lighting device, headlight apparatus using the same, and vehicle using the samePANASONIC CORP·Filed 2014·Granted Sep 8, 2015·1 cites·11 claims
- 2162US8624499B2Power converter and vehicle lighting device, vehicle headlight and vehicle using power converterTANAKA TOSHIFUMI·Filed 2010·Granted Jan 7, 2014·1 cites·11 claims
- 2261US9303838B2Vehicle light and vehicle equipped with vehicle lightPANASONIC CORP·Filed 2014·Granted Apr 5, 2016·1 cites·6 claims
- 2355US7327666B2Optical recording medium and method of manufacturing sameTDK CORP·Filed 2002·Granted Feb 5, 2008·2 cites·2 claims
- 2455US7154360B2Filter using piezoelectric materialFUJITSU MEDIA DEVICES LTD·Filed 2004·Granted Dec 26, 2006·7 cites·17 claims
- 2554US6680899B2Optical information mediumTDK CORP·Filed 2001·Granted Jan 20, 2004·2 cites·12 claims
- 2651US10004116B2Lighting device, headlight device with the same, and vehiclePANASONIC CORP·Filed 2014·Granted Jun 19, 2018·0 cites·12 claims
- 2750US5092758ADisc molding apparatusTDK CORP·Filed 1990·Granted Mar 3, 1992·16 cites·12 claims
- 2850US2011074295A1Discharge lamp lighting device, vehicle-mounted high-intensity discharge lamp lighting device, and vehiclePANASONIC ELEC WORKS CO LTD·Filed 2009·Application pending·0 cites
- 2949US9894721B2Lighting device, headlight apparatus using the same, and vehicle using the samePANASONIC CORP·Filed 2014·Granted Feb 13, 2018·0 cites·14 claims
- 3048US5316466ADisc molding apparatusTDK CORP·Filed 1993·Granted May 31, 1994·13 cites·5 claims
- 3146US5119294APos terminal group management device with memory for pre-storing different collection data ranges for each pos terminalOMRON TATEISI ELECTRONICS CO·Filed 1990·Granted Jun 2, 1992·50 cites·10 claims
- 3244US4935608ACard authorization terminal system in which one terminal transmits data to a designated other terminalOMRON TATEISI ELECTRONICS CO·Filed 1988·Granted Jun 19, 1990·35 cites·6 claims
- 3344US2004083178A1Contents providing system, and computer program, recording medium, terminal device and server used thereforTDK CORP·Filed 2003·Application pending·0 cites
- 3444US2004107266A1URL management system and URL management serverTDK CORP·Filed 2003·Application pending·0 cites
- 3541US9725030B2Vehicle light and vehicle equipped with vehicle lightPANASONIC IP MAN CO LTD·Filed 2016·Granted Aug 8, 2017·0 cites·6 claims
- 3641US7221074B2Surface acoustic deviceFUJITSU MEDIA DEVICES LTD·Filed 2004·Granted May 22, 2007·2 cites·8 claims
- 3740US7462973B2Surface acoustic wave deviceFUJITSU MEDIA DEVICES LTD·Filed 2004·Granted Dec 9, 2008·2 cites·17 claims
- 3840US7372347B2Surface acoustic wave deviceFUJITSU MEDIA DEVICES LTD·Filed 2004·Granted May 13, 2008·2 cites·11 claims
- 3938US5128983ATransaction processing terminal capable of loading data externally transmitted and transaction processing system including the sameOMRON TATEISI ELECTRONICS CO·Filed 1990·Granted Jul 7, 1992·8 cites·3 claims
- 4038US2004196763A1Optical recording medium and manufacturing method thereofFiled 2002·Application pending·0 cites
- 4135US5215798AOptical recording mediumTDK CORP·Filed 1992·Granted Jun 1, 1993·2 cites·10 claims
- 4231US5242729AOptical recording mediumTDK CORP·Filed 1992·Granted Sep 7, 1993·3 cites·13 claims
- 4331US5213862AOptical recording diskTDK CORP·Filed 1991·Granted May 25, 1993·0 cites·3 claims
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