Inventor · disambiguated record
Asayuki Matsumura
Also filed as: MATSUMURA ASAYUKI
8 granted patents·86 citations·filing 1990–2012
85Inventor score
Technology areasG11B
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD4MATSUBARA RYO1MATSUMURA ASAYUKI1PANASONIC CORP1SOGA HIDETO1
Top patents by PatentIndex Score
8 records- 0183US6792614B1Optical disk apparatus and method of installing its spindle motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Sep 14, 2004·18 cites·12 claims
- 0282US5224089ADigital signal information reproduction apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Jun 29, 1993·36 cites·9 claims
- 0368US8584151B2Optical disc driving deviceMATSUBARA RYO·Filed 2012·Granted Nov 12, 2013·2 cites·6 claims
- 0468US8488421B2Lens cleaner and optical disc devicePANASONIC CORP·Filed 2012·Granted Jul 16, 2013·2 cites·7 claims
- 0568US5199019ADigital signal information reproduction apparatus enabling recording medium subsitution during reproduction of a prior recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Mar 30, 1993·19 cites·5 claims
- 0662US8887183B2Optical disc device and lens cleanerMATSUMURA ASAYUKI·Filed 2011·Granted Nov 11, 2014·2 cites·6 claims
- 0757US8146116B2Disk device having a clamper restricting memberSOGA HIDETO·Filed 2007·Granted Mar 27, 2012·1 cites·3 claims
- 0842US5751687ADisk loading apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted May 12, 1998·6 cites·15 claims
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