Inventor · disambiguated record
Katsuichi Osakabe
Also filed as: OSAKABE KATSUICHI
21 granted patents·2 pending applications·518 citations·filing 1988–2007
95Inventor score
Top patents by PatentIndex Score
23 records- 0195US6894961B1Recordable optical disk and optical disk recording device utilizing pre-recorded recording speed informationYAMAHA CORP·Filed 1999·Granted May 17, 2005·93 cites·5 claims
- 0295US5872763AMethod and device for recording on optical discYAMAHA CORP·Filed 1997·Granted Feb 16, 1999·114 cites·6 claims
- 0391US5559785AOptimum recording laser power control by testing an EFT signal's asymmetry with a frame synchronization circuitYAMAHA CORP·Filed 1994·Granted Sep 24, 1996·57 cites·16 claims
- 0490US6541186B2Method of manufacturing an optical disk having areas of different recording densities or functionsYAMAHA CORP·Filed 2001·Granted Apr 1, 2003·25 cites·8 claims
- 0590US6310854B1Optical disk having areas of different recording densities or functionsYAMAHA CORP·Filed 1998·Granted Oct 30, 2001·107 cites·14 claims
- 0680US5003527ASystem for recording optical discs for use with optical disc playback only devicesYAMAHA CORP·Filed 1988·Granted Mar 26, 1991·24 cites·6 claims
- 0777US6894967B2Optical disk recorder for writing data with variable densityYAMAHA CORP·Filed 2001·Granted May 17, 2005·10 cites·7 claims
- 0876US8130968B2Light-emission responderTAMARU TAKUYA·Filed 2007·Granted Mar 6, 2012·8 cites·2 claims
- 0976US7492682B2Optical disk recording apparatus controllable by table of multi-pulse patternsYAMAHA CORP·Filed 2003·Granted Feb 17, 2009·11 cites·20 claims
- 1076US5526333AOptical disk recording deviceYAMAHA CORP·Filed 1994·Granted Jun 11, 1996·25 cites·12 claims
- 1176US4998237AOptical disc recording device having improved accuracy of pit formationYAMAHA CORP·Filed 1988·Granted Mar 5, 1991·20 cites·4 claims
- 1267US8243950B2Teleconferencing apparatus with virtual point source productionTANAKA RYO·Filed 2006·Granted Aug 14, 2012·4 cites·6 claims
- 1364US7038997B2Optical disk with prerecorded control informationYAMAHA CORP·Filed 2002·Granted May 2, 2006·5 cites·45 claims
- 1462US8238584B2Voice signal transmitting/receiving apparatusSAITO KOSUKE·Filed 2006·Granted Aug 7, 2012·3 cites·4 claims
- 1558US7248554B2Laser driving apparatusYAMAHA CORP·Filed 2002·Granted Jul 24, 2007·3 cites·7 claims
- 1655US7414935B2Method of overwriting optical disk with adapting initial writing conditionsYAMAHA CORP·Filed 2004·Granted Aug 19, 2008·2 cites·17 claims
- 1754US7539088B2Optical disc recording and reproducing method adaptive to wobble pregrooveYAMAHA CORP·Filed 2004·Granted May 26, 2009·2 cites·5 claims
- 1854US7012864B2Optical disk recorder for writing data with variable densityYAMAHA CORP·Filed 2004·Granted Mar 14, 2006·2 cites·7 claims
- 1952US7075869B2Method and apparatus for determining applicable recording speed of a recordable optical diskYAMAHA CORP·Filed 2003·Granted Jul 11, 2006·1 cites·25 claims
- 2050US6980495B2Optical recording apparatus with interleaving blank rounds into spiral trackYAMAHA CORP·Filed 2003·Granted Dec 27, 2005·2 cites·8 claims
- 2149US8280023B2Communication conference system, voice changing device, and signal converting adaptorISHIBASHI TOSHIAKI·Filed 2007·Granted Oct 2, 2012·0 cites·6 claims
- 2244US2008273716A1Feedback Sound Eliminating ApparatusSAITO KOSUKE·Filed 2006·Application pending·0 cites
- 2334US2004257932A1Optical disk recording method and optical disk recording systemFiled 2004·Application pending·0 cites
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