Inventor · disambiguated record
Tatsunori Fujiwara
Also filed as: FUJIWARA TATSUNORI
30 granted patents·3 pending applications·105 citations·filing 1995–2009
96Inventor score
Technology areasG11B
Files withMITSUBISHI ELECTRIC CORP27EGUCHI TAKAHARU2AWAKURA YOSHIFUMI1MORIMOTO DAISUKE1ONISHI AKIHITO1
Top patents by PatentIndex Score
33 records- 0171US6469972B1Disk device for disks of different sizesMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Oct 22, 2002·8 cites·8 claims
- 0270US8381605B2Disc deviceMITSUBISHI ELECTRIC CORP·Filed 2009·Granted Feb 26, 2013·2 cites·2 claims
- 0370US6538970B1Disk device for loading and ejecting disksMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Mar 25, 2003·8 cites·2 claims
- 0463US6434102B1Disk deviceMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Aug 13, 2002·5 cites·2 claims
- 0561US6757234B2Disk deviceMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Jun 29, 2004·4 cites·2 claims
- 0657US6842907B2Cartridge transfer device for a disk loading mechanismMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Jan 11, 2005·2 cites·2 claims
- 0757US6414929B1Disk device with improved loading mechanismMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Jul 2, 2002·13 cites·2 claims
- 0856US6445666B1Disk deviceMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Sep 3, 2002·3 cites·10 claims
- 0954US6584055B1Disk device for disks having different sizesMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Jun 24, 2003·2 cites·15 claims
- 1050US6081494ADisc recording and reproducing apparatus having a drive mechanism for loading and ejecting a disc cartridgeMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Jun 27, 2000·10 cites·17 claims
- 1150US2011161993A1Disk deviceTSUKAGUCHI AKINORI·Filed 2009·Application pending·0 cites
- 1249US8272003B2Disc apparatusEGUCHI TAKAHARU·Filed 2009·Granted Sep 18, 2012·0 cites·2 claims
- 1349US7406006B2Disk apparatusMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Jul 29, 2008·0 cites·2 claims
- 1449US5748406ARotational driving apparatus for disks having a magnet disposed on a motor mounting base surface to absorb radial deflectionsMITSUBISHI ELECTRIC CORP·Filed 1996·Granted May 5, 1998·8 cites·8 claims
- 1548US6430145B1Disk supporting deviceMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Aug 6, 2002·8 cites·19 claims
- 1646US8587894B2Disc deviceONISHI AKIHITO·Filed 2009·Granted Nov 19, 2013·0 cites·4 claims
- 1745US8117629B2Optical disc deviceMORIMOTO DAISUKE·Filed 2008·Granted Feb 14, 2012·0 cites·3 claims
- 1845US5953307ADisk reproducing apparatus for storing a plurality of cartridgesMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Sep 14, 1999·5 cites·10 claims
- 1944US8127319B2Disk reproducing apparatus implementing detection of disk insertion condition for loading and ejection operationsAWAKURA YOSHIFUMI·Filed 2008·Granted Feb 28, 2012·0 cites·1 claims
- 2044US2005235298A1Disk apparatusMITSUBISHI ELECTRIC CORP·Filed 2005·Application pending·0 cites
- 2143US6760914B2Disk reproducing apparatusMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Jul 6, 2004·0 cites·10 claims
- 2243US6359854B1Disk reproducing apparatusMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Mar 19, 2002·4 cites·12 claims
- 2342US2010180288A1Disc deviceEGUCHI TAKAHARU·Filed 2008·Application pending·0 cites
- 2440US6751179B2Disk unit with rollersMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Jun 15, 2004·5 cites·9 claims
- 2538US5663850ACartridge handling apparatusMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Sep 2, 1997·4 cites·11 claims
- 2636US5790507ACartridge changing deviceMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Aug 4, 1998·3 cites·13 claims
- 2735US6078553ADisc cartridge loading and unloading apparatus with shutter opening structureMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Jun 20, 2000·2 cites·4 claims
- 2835US5974017ADisc cartridge loading and unloading apparatusMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Oct 26, 1999·2 cites·6 claims
- 2935US5898658ADisc cartridge loading and unloading apparatus with a holder and holder armMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Apr 27, 1999·2 cites·5 claims
- 3033US5881040ADisc device with slider contact prevention mechanismMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Mar 9, 1999·2 cites·6 claims
- 3133US5587989ACartridge changing apparatus including a pair of base carriers and a pair of slide carriersMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Dec 24, 1996·2 cites·17 claims
- 3231US5831965ACartridge changing deviceMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Nov 3, 1998·1 cites·8 claims
- 3328US5835474ADisk device configured to prevent contact between the disk and the disk drive motorMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Nov 10, 1998·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Tatsunori Fujiwara files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →