Inventor · disambiguated record
Osamu Ishizaki
Also filed as: ISHIZAKI OSAMU
26 granted patents·8 pending applications·374 citations·filing 1991–2025
96Inventor score
Top patents by PatentIndex Score
34 records- 0196US10893248B2Imaging sensor and imaging deviceMAXELL LTD·Filed 2020·Granted Jan 12, 2021·4 cites·19 claims
- 0292US10257484B2Imaging processing device and imaging processing methodMAXELL LTD·Filed 2018·Granted Apr 9, 2019·7 cites·21 claims
- 0392US6101153AMagnetic head capable of generating multi-stepped external magnetic fields for magneto-optical recording deviceHITACHI MAXELL·Filed 1998·Granted Aug 8, 2000·62 cites·7 claims
- 0489US6333089B1Substrate for information recording disk, mold and stamper for injection molding substrate, and method for making stamper, and information recording diskHITACHI MAXELL·Filed 2000·Granted Dec 25, 2001·25 cites·23 claims
- 0587US6434088B1Recording and reproducing apparatus having a magneto-optical head with an objective lens and laser-beam-permeable memberHITACHI MAXELL·Filed 2000·Granted Aug 13, 2002·19 cites·19 claims
- 0687US6127017ASubstrate for information recording disk, mold and stamper for injection molding substrate, and method for making stamper, and information recording diskHITACHI MAXELL·Filed 1998·Granted Oct 3, 2000·46 cites·19 claims
- 0785US6781926B2Magneto-optical head having heat sink layerHITACHI MAXELL·Filed 2001·Granted Aug 24, 2004·17 cites·30 claims
- 0883US10582175B2Imaging sensor and imaging deviceMAXELL LTD·Filed 2015·Granted Mar 3, 2020·3 cites·20 claims
- 0980US9992469B2Imaging processing device and imaging processing methodHITACHI MAXELL·Filed 2015·Granted Jun 5, 2018·2 cites·18 claims
- 1078US6246640B1Magneto-optical recording medium capable of recording multiple value signalsHITACHI MAXELL·Filed 1998·Granted Jun 12, 2001·25 cites·7 claims
- 1178US2025292614A1Imaging apparatus and imaging systemMAXELL LTD·Filed 2025·Application pending·0 cites
- 1275US12354401B2Imaging apparatus and imaging systemMAXELL LTD·Filed 2023·Granted Jul 8, 2025·0 cites·6 claims
- 1375US11367309B2Imaging apparatus and imaging systemMAXELL LTD·Filed 2016·Granted Jun 21, 2022·2 cites·6 claims
- 1475US6044041ARecording and reproducing apparatus having a magneto-optical head with an objective lens and laser-beam-permeable memberHITACHI MAXELL·Filed 1997·Granted Mar 28, 2000·23 cites·16 claims
- 1574US5835936ASingle-chip flash-memory device using serial command, address, and data communcationsMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Nov 10, 1998·42 cites·3 claims
- 1673US6061307AMagneto-optical recording medium having a plurality of magnetic layersHITACHI MAXELL·Filed 1995·Granted May 9, 2000·21 cites·67 claims
- 1769US11842564B2Imaging apparatus and imaging systemMAXELL LTD·Filed 2022·Granted Dec 12, 2023·0 cites·2 claims
- 1867US6027801AMagnetic recording mediumHITACHI MAXELL·Filed 1998·Granted Feb 22, 2000·20 cites·21 claims
- 1965US6333900B1Optical recording medium, optical head, and optical recording deviceHITACHI MAXELL·Filed 2000·Granted Dec 25, 2001·18 cites·19 claims
- 2057US6657947B1Information recording medium and error detecting methodHITACHI MAXELL·Filed 2000·Granted Dec 2, 2003·3 cites·16 claims
- 2151US6217968B1Optical recording medium, optical head and optical recording deviceHITACHI MAXELL·Filed 1998·Granted Apr 17, 2001·8 cites·18 claims
- 2250US6319580B1Recording disk and producing method thereforHITACHI MAXELL·Filed 1999·Granted Nov 20, 2001·9 cites·21 claims
- 2350US2008260985A1Information-recording mediumHITACHI MAXELL·Filed 2008·Application pending·0 cites
- 2449US7434241B2Recording and reproducing apparatus of thin optical discHITACHI MAXELL·Filed 2005·Granted Oct 7, 2008·0 cites·6 claims
- 2547US5343432ASemiconductor memory device having equalization terminated in direct response to a change in word line signalMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Aug 30, 1994·12 cites·9 claims
- 2646US2004246877A1Magneto-optical head having heat sink layerHITACHI MAXELL·Filed 2004·Application pending·0 cites
- 2745US2006087959A1Optical diskHITACHI MAXELL·Filed 2005·Application pending·0 cites
- 2845US2021294066A1Lens unit and camera moduleMAXELL LTD·Filed 2019·Application pending·0 cites
- 2944US7478413B2Optical recording mediumHITACHI MAXELL·Filed 2004·Granted Jan 13, 2009·0 cites·9 claims
- 3044US2007261068A1Optical recording mediumHITACHI MAXELL·Filed 2005·Application pending·0 cites
- 3143US2005240532A1Optical disk recording and reproducing method and optical diskHITACHI MAXELL·Filed 2005·Application pending·0 cites
- 3242US5646807AMagnetic disk cartridge and shutter opening-closing mechanism for the sameHITACHI MAXELL·Filed 1996·Granted Jul 8, 1997·6 cites·5 claims
- 3338US6654338B2Disk cartridgeHITACHI MAXELL·Filed 2001·Granted Nov 25, 2003·0 cites·16 claims
- 3437US2004130974A1Magnetooptic recording medium and reproducing method thereforFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →