Inventor · disambiguated record
Kenzo Ishibashi
Also filed as: ISHIBASHI KENZO
24 granted patents·7 pending applications·327 citations·filing 1983–2021
96Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD18ASAHI OPTICAL CO LTD4PANASONIC CORP3SONY SEMICONDUCTOR SOLUTIONS CORP2CANON KK1
Top patents by PatentIndex Score
31 records- 0197US5140580AOptical disk apparatus operative with optimal recording power settingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Aug 18, 1992·110 cites·12 claims
- 0284US7339869B2Optical disk and optical methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Mar 4, 2008·17 cites·8 claims
- 0382US4845720ASemiconductor laser control circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Jul 4, 1989·27 cites·22 claims
- 0480US5128911AOptical disc reproducing apparatus having an automatic gain control circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Jul 7, 1992·29 cites·2 claims
- 0575US4563708AMethod and apparatus for controlling storage time in charge storing photoelectric converterASAHI OPTICAL CO LTD·Filed 1984·Granted Jan 7, 1986·22 cites·4 claims
- 0674US4547676APhotosensor apparatus with light integration controlASAHI OPTICAL CO LTD·Filed 1983·Granted Oct 15, 1985·30 cites·1 claims
- 0772US4568165AFocus adjusting device for cameraASAHI OPTICAL CO LTD·Filed 1984·Granted Feb 4, 1986·25 cites·14 claims
- 0869US8036254B2Semiconductor laser driving circuit, and optical disc device and integrated circuit provided with semiconductor laser driving circuitPANASONIC CORP·Filed 2006·Granted Oct 11, 2011·3 cites·12 claims
- 0969US6567350B1Method for adjusting control operation in an optical disc recording deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 20, 2003·9 cites·18 claims
- 1068US7697400B2Optical pickup and optical disc devicePANASONIC CORP·Filed 2006·Granted Apr 13, 2010·1 cites·8 claims
- 1158US7266073B2Optical disc apparatus, camera apparatus, and method for controlling light emission operationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Sep 4, 2007·4 cites·26 claims
- 1258US2009074018A1Laser driving deviceSENGA HISASHI·Filed 2008·Application pending·0 cites
- 1356US5467330ARecording method and recording and reproducing apparatus for optical diskMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Nov 14, 1995·8 cites·4 claims
- 1455US7397830B2Semiconductor laser deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jul 8, 2008·4 cites·17 claims
- 1555US7180842B2Optical disc cutting apparatus and method for manufacturing optical discMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Feb 20, 2007·2 cites·10 claims
- 1652US6980490B2Optical disk and manufacturing method for the sameCANON KK·Filed 2004·Granted Dec 27, 2005·1 cites·18 claims
- 1750US7420889B2Optical disc tracking control device, tracking control method, and tracking control programMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Sep 2, 2008·1 cites·10 claims
- 1848US5351225AOptical recording and reproducing apparatus having a plurality of light spotsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Sep 27, 1994·6 cites·2 claims
- 1948US5161243ATracking system for an optical recording/reproducing apparatus having a plurality of light spotsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Nov 3, 1992·6 cites·4 claims
- 2048US2023178576A1Light receiving element and electronic equipmentSONY SEMICONDUCTOR SOLUTIONS CORP·Filed 2021·Application pending·0 cites
- 2145US5268654APhase locked loop clock changeover apparatus in which the VCO is set to an initial valueMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Dec 7, 1993·13 cites·11 claims
- 2245US2023102481A1Light receiving element and electronic equipmentSONY SEMICONDUCTOR SOLUTIONS CORP·Filed 2021·Application pending·0 cites
- 2345US2010149949A1Optical pickup and optical disc devicePANASONIC CORP·Filed 2010·Application pending·0 cites
- 2443US2002154578A1Optical disk and manufacturing method for the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Application pending·0 cites
- 2543US2005069002A1Laser driving deviceFiled 2004·Application pending·0 cites
- 2639US5202873AAgc circuit for optical disk data reproducing apparatus using alpc period detectorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Apr 13, 1993·4 cites·5 claims
- 2739US2004047252A1Optical disk, recording device for optical disk, reproducing device for optical disk, mehtod of reproducing optical disk and method of producing optical diskFiled 2001·Application pending·0 cites
- 2836US5331620ARecording method and recording apparatus for optical diskMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Jul 19, 1994·2 cites·8 claims
- 2935US5615188ARecording method and recording and reproducing apparatus for optical diskMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Mar 25, 1997·3 cites·2 claims
- 3031US4482237ADevice for detecting stop value data from flash unit used with cameraASAHI OPTICAL CO LTD·Filed 1983·Granted Nov 13, 1984·0 cites·1 claims
- 3130US5559782ARecording method and recording and reproducing apparatus for optical diskMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Sep 24, 1996·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →