Inventor · disambiguated record
Hiromichi Ishibashi
Also filed as: ISHIBASHI HIROMICHI
104 granted patents·11 pending applications·1,642 citations·filing 1985–2017
99Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD81PANASONIC CORP20SONY CORP3ISHIBASHI HIROMICHI2KONINKL PHILIPS ELECTRONICS NV2
Top patents by PatentIndex Score
115 records- 0199US6577590B2Optical disk having wobble patternsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jun 10, 2003·87 cites·12 claims
- 0298US6757239B2Optical disk having wobble patterns and block identification marksMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jun 29, 2004·59 cites·15 claims
- 0398US6608810B2Optical disk comprising a positional information section and a sync mark section each having a wobble patternMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Aug 19, 2003·70 cites·17 claims
- 0497US6674700B2Optical disk having sub-blocks and sub-block indentification marksMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jan 6, 2004·51 cites·4 claims
- 0595US7518971B2Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatusPANASONIC CORP·Filed 2008·Granted Apr 14, 2009·15 cites·3 claims
- 0695US7474607B2Optical disk medium and method and apparatus for reading informationPANASONIC CORP·Filed 2006·Granted Jan 6, 2009·15 cites·4 claims
- 0795US7158464B2Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jan 2, 2007·31 cites·10 claims
- 0895US6735160B1Optical disc, and recording apparatus, recording method, and reproducing apparatus for the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 11, 2004·59 cites·25 claims
- 0995US5523989AOptical disk drive having functions of detecting disk tilt from difrraction pattern of track and compensating disk tilt with use of comatic lensesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jun 4, 1996·77 cites·11 claims
- 1094US6724708B2Optical disk medium and method and apparatus for reading informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 20, 2004·28 cites·10 claims
- 1194US5663942AJitter measurement apparatus detecting amplitude of phase errors between information signal and synchronized clock signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Sep 2, 1997·126 cites·16 claims
- 1294US4669073AOptical disk drive apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted May 26, 1987·62 cites·11 claims
- 1393US7116624B2Optical disc and physical address formatMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Oct 3, 2006·25 cites·9 claims
- 1492US7403462B2Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Jul 22, 2008·7 cites·8 claims
- 1592US7257073B2Optical disc and physical address formatMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Aug 14, 2007·7 cites·9 claims
- 1692US5815485ARecording medium, a method for producing the same, a control method using the recording medium, and a recording/reproducing apparatus using the recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Sep 29, 1998·79 cites·10 claims
- 1791US7529167B2Optical disk having wobble patterns representing control informationPANASONIC CORP·Filed 2006·Granted May 5, 2009·6 cites·2 claims
- 1891US7518970B2Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatusPANASONIC CORP·Filed 2008·Granted Apr 14, 2009·6 cites·3 claims
- 1991US7414946B2Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2007·Granted Aug 19, 2008·6 cites·5 claims
- 2091US7385903B2Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Jun 10, 2008·6 cites·5 claims
- 2191US6999404B2Optical disc and optical disc address reading apparatus and methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Feb 14, 2006·19 cites·14 claims
- 2291US6738342B2Optical disc and optical disc address reading apparatus and methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 18, 2004·20 cites·35 claims
- 2390US7362664B2Optical disk medium and method and apparatus for reading informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Apr 22, 2008·6 cites·4 claims
- 2490US4761774AOptical disc drive apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Aug 2, 1988·42 cites·19 claims
- 2589US7123557B2Disc-shaped recording medium disc driving device and method and apparatus for producing discSONY CORP·Filed 2002·Granted Oct 17, 2006·27 cites·31 claims
- 2688US7269116B2Optical disc and physical address formatMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Sep 11, 2007·4 cites·9 claims
- 2788US6665250B1Optical disc playback and playback methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Dec 16, 2003·24 cites·6 claims
- 2887US7474606B2Optical disk mediumPANASONIC CORP·Filed 2006·Granted Jan 6, 2009·4 cites·5 claims
- 2986US7327660B2Optical disc and physical address formatMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Feb 5, 2008·3 cites·9 claims
- 3086US7269117B2Optical disc and physical address formatMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Sep 11, 2007·3 cites·9 claims
- 3185US7768893B2Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatusPANASONIC CORP·Filed 2008·Granted Aug 3, 2010·3 cites·5 claims
- 3284US7027374B2Optical disk having wobble patterns representing control informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 11, 2006·9 cites·21 claims
- 3384US6134197AOptical disk drive apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Oct 17, 2000·31 cites·5 claims
- 3483US7177253B2Optical disc drive for controlling laser emissionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Feb 13, 2007·17 cites·11 claims
- 3583US7145843B2Optical disk having wobble patterns representing control informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Dec 5, 2006·9 cites·8 claims
- 3683US7116630B2Optical disk medium and method and apparatus for reading informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Oct 3, 2006·9 cites·2 claims
- 3782US7075883B2Optical disk having wobble patterns representing control informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 11, 2006·8 cites·11 claims
- 3882US7010006B2Light source apparatus and its control methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Mar 7, 2006·20 cites·15 claims
- 3982US5848036AOptical disk drive equipped with waveform equalizer and focus adjustment circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Dec 8, 1998·37 cites·15 claims
- 4082US5808979ATracking error signal detectorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Sep 15, 1998·40 cites·5 claims
- 4181US7038993B2Optical disc medium having a plurality of sector groups, a recording method thereof and recorderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 2, 2006·15 cites·30 claims
- 4281US6922384B2Information reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jul 26, 2005·16 cites·9 claims
- 4381US5805543ATilt control apparatus based on pulsed width detection of an information reproduced signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Sep 8, 1998·31 cites·22 claims
- 4480US7656780B2Optical recording medium having first and second wobble patternsKONINKL PHILIPS ELECTRONICS NV·Filed 2007·Granted Feb 2, 2010·3 cites·3 claims
- 4580US6850478B1Optical disk medium and optical disk indentification method and optical disk deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Feb 1, 2005·13 cites·17 claims
- 4680US4823334AOptical head with easily adjustable collimator having two lens componentsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Apr 18, 1989·24 cites·7 claims
- 4779US5295131AOptical information recording disk having embossed clock mark pits and embossed information recording pitsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Mar 15, 1994·28 cites·19 claims
- 4878US5016258ADigital modulator and demodulatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted May 14, 1991·34 cites·11 claims
- 4977US8050172B2Optical disc on which information is written on a block-by-block basisPANASONIC CORP·Filed 2008·Granted Nov 1, 2011·1 cites·3 claims
- 5077US7596076B2Optical disc and physical address formatPANASONIC CORP·Filed 2007·Granted Sep 29, 2009·1 cites·5 claims
Showing the top 50 of 115 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →