Inventor · disambiguated record
Mitsunori Matsumura
Also filed as: MATSUMURA MITSUNORI
12 granted patents·1 pending application·78 citations·filing 1993–2005
90Inventor score
Files withSONY CORP12
Top patents by PatentIndex Score
13 records- 0190US6728199B2Disk cartridgeSONY CORP·Filed 2001·Granted Apr 27, 2004·31 cites·8 claims
- 0278US7469785B2Storage caseSONY CORP·Filed 2005·Granted Dec 30, 2008·4 cites·5 claims
- 0378US6839900B2Disk cartridge, a method of manufacturing same, and a recording/reproducing systemSONY CORP·Filed 2001·Granted Jan 4, 2005·13 cites·46 claims
- 0468US7284254B2Disk cartridge and disk recording medium device having shutter membersSONY CORP·Filed 2002·Granted Oct 16, 2007·7 cites·39 claims
- 0555US7137129B2Disk drive apparatusSONY CORP·Filed 2004·Granted Nov 14, 2006·3 cites·5 claims
- 0653US6964056B2Disk type recording and reproducing deviceSONY CORP·Filed 2002·Granted Nov 8, 2005·2 cites·4 claims
- 0753US5438466ARecording and/or reproducing apparatus tape having traveling reversal arrangement which attenuates tape slippage and slack generationSONY CORP·Filed 1993·Granted Aug 1, 1995·7 cites·13 claims
- 0849US7222351B2Shutter closing mechanism and disc driving apparatusSONY CORP·Filed 2004·Granted May 22, 2007·2 cites·10 claims
- 0941US5689385ARecording and/or reproducing apparatus having tape travel direction control arrangement which prevents tape slippage and slack generationSONY CORP·Filed 1995·Granted Nov 18, 1997·4 cites·7 claims
- 1040US7237247B2Disc cartridge having deeper concave portion continuous with shutter opener/closer grooveSONY CORP·Filed 2003·Granted Jun 26, 2007·0 cites·4 claims
- 1138US5999358ARecording and/or reproducing apparatus having tape travel direction control arrangement which prevents tape slippage and slack generationSONY CORP·Filed 1999·Granted Dec 7, 1999·3 cites·4 claims
- 1238US2004120236A1Disc, disc manufacturing method, recording/reproducing system, and semiconductor recording apparatusFiled 2002·Application pending·0 cites
- 1334US5991128ARecording and/or reproducing apparatus having tape travel direction control arrangement which prevents tape slippage and slack generationSONY CORP·Filed 1997·Granted Nov 23, 1999·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →