Inventor · disambiguated record
Toshiya Akagi
Also filed as: AKAGI TOSHIYA
21 granted patents·1 pending application·312 citations·filing 1992–2005
95Inventor score
Top patents by PatentIndex Score
22 records- 0194US6671248B2Apparatus and method of controlling laser powerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Dec 30, 2003·56 cites·15 claims
- 0291US6408013B1Semiconductor laser control method and semiconductor laser control apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jun 18, 2002·37 cites·11 claims
- 0388US7095696B2Recording/reproducing deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Aug 22, 2006·25 cites·28 claims
- 0488US6236629B1Optical disk deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 22, 2001·29 cites·9 claims
- 0588US5495463AController and control method of laser power for recording information in an optical record mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Feb 27, 1996·53 cites·16 claims
- 0683US6975570B1Information recording/reproducing device using optical disk and method therefor and information recording system and information recording methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Dec 13, 2005·15 cites·29 claims
- 0781US6614735B2Method and apparatus for determining optical recording power used for recording onto an optical diskMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Sep 2, 2003·17 cites·18 claims
- 0876US6621779B1Laser power controller and optical disk deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Sep 16, 2003·24 cites·3 claims
- 0975US6930968B2Semiconductor laser driving apparatus with filter to attenuate enhanced frequency component and optical disk apparatus including the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Aug 16, 2005·11 cites·22 claims
- 1070US6490301B1Laser drive deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Dec 3, 2002·9 cites·22 claims
- 1162US6950378B1Laser power control method and optical disk deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Sep 27, 2005·15 cites·20 claims
- 1260US7239586B2Optical disk device and recording power determining methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jul 3, 2007·4 cites·34 claims
- 1357US6717968B2Laser drive deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 6, 2004·4 cites·4 claims
- 1456USRE39306EOptical disc deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Sep 26, 2006·2 cites·14 claims
- 1556US6434098B2Optical disc deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Aug 13, 2002·2 cites·7 claims
- 1651USRE40240EInformation recording/reproducing device using optical disk and method therefor and information recording system and information recording methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 15, 2008·1 cites·32 claims
- 1751US7319645B2Recording apparatus and recording method for recording data to a rewritable recording medium, and rewritable recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jan 15, 2008·1 cites·12 claims
- 1848US7539109B2Optical disc drive and recording method for optical disc drivePANASONIC CORP·Filed 2004·Granted May 26, 2009·2 cites·8 claims
- 1944USRE39952ELaser power controller and optical disk deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Dec 25, 2007·5 cites·6 claims
- 2043US7313077B2Optical disk device and emission current adjusting method for the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Dec 25, 2007·0 cites·14 claims
- 2140US2004125725A1Optical disc drive and method of controlling write operation performed by optical disc driveMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Application pending·0 cites
- 2229US5420835AMagneto-optic disk apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted May 30, 1995·0 cites·10 claims
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