Inventor · disambiguated record

Kazuko Ishitsuka

Also filed as: ISHITSUKA KAZUKO

3 granted patents·108 citations·filing 1995–1998

76Inventor score

Technology areasG11B

Files withHITACHI MAXELL3

Top patents by PatentIndex Score

3 records

0192US6101153AMagnetic 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
0278US6246640B1Magneto-optical recording medium capable of recording multiple value signalsHITACHI MAXELL·Filed 1998·Granted Jun 12, 2001·25 cites·7 claims
0373US6061307AMagneto-optical recording medium having a plurality of magnetic layersHITACHI MAXELL·Filed 1995·Granted May 9, 2000·21 cites·67 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →