Assignee
MATSUSHTA ELECTRIC IND CO LTD
JP·3 granted patents·50 citations·filing 1993–2003
Top patents by PatentIndex Score
3 records- 0174US5535058AFocus error detecting element and optical head using the sameMATSUSHTA ELECTRIC IND CO LTD·Filed 1993·Granted Jul 9, 1996·22 cites·16 claims
- 0272US6794863B2Magnetic field sensor, method for detecting magnetic field and device for detecting magnetic fieldMATSUSHTA ELECTRIC IND CO LTD·Filed 2003·Granted Sep 21, 2004·18 cites·20 claims
- 0364US7123618B2Data transmitting apparatus and data receiving apparatusMATSUSHTA ELECTRIC IND CO LTD·Filed 2001·Granted Oct 17, 2006·10 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →