Inventor · disambiguated record
Takashige Hiratsuka
Also filed as: HIRATSUKA TAKASHIGE
7 granted patents·1 pending application·68 citations·filing 2000–2025
83Inventor score
Top patents by PatentIndex Score
8 records- 0188US6741533B1Tracking error detection deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 25, 2004·34 cites·20 claims
- 0277US7012862B2Tracking error detection apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Mar 14, 2006·14 cites·5 claims
- 0370US8111596B2Phase error detection apparatusSAKAI MITSURU·Filed 2006·Granted Feb 7, 2012·3 cites·13 claims
- 0470US7289399B2Tracking error detection apparatus including reduction in false tracking error detection during phase error detectionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Oct 30, 2007·9 cites·4 claims
- 0563US7239583B2Tracking error detection apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jul 3, 2007·5 cites·36 claims
- 0653US7995448B2Optical disc devicePANASONIC CORP·Filed 2004·Granted Aug 9, 2011·2 cites·15 claims
- 0748US7385887B2Address signal position detection apparatus, optical disk playback apparatus, and address signal position detection methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jun 10, 2008·1 cites·9 claims
- 0848US2025193972A1Cable cover and constant-temperature unit equipped with samePHC HOLDINGS CORP·Filed 2025·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →