Inventor · disambiguated record
Harutaka Sekiya
Also filed as: SEKIYA HARUTAKA
14 granted patents·2 pending applications·76 citations·filing 1991–2022
89Inventor score
Top patents by PatentIndex Score
16 records- 0173US5220550AOptical beam system for optical disk drivesALPS ELECTRIC CO LTD·Filed 1991·Granted Jun 15, 1993·22 cites·1 claims
- 0271US5940245ADoor opening-and-closing mechanism of recording/reproducing apparatusALPS ELECTRIC CO LTD·Filed 1997·Granted Aug 17, 1999·26 cites·4 claims
- 0362US11796608B2Magnetic property measurement apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2021·Granted Oct 24, 2023·0 cites·20 claims
- 0462US6791923B2Device and method of recording information on an optical discSAMSUNG ELECTRONICS CO LTD·Filed 2001·Granted Sep 14, 2004·3 cites·15 claims
- 0561US5978339ARecording/reproducing apparatus with a buffer member used for mounting a mechanism bodyALPS ELECTRIC CO LTD·Filed 1997·Granted Nov 2, 1999·16 cites·3 claims
- 0658US6999402B2Device and method of recording information on an optical discSAMSUNG ELECTRONICS CO LTD·Filed 2004·Granted Feb 14, 2006·2 cites·5 claims
- 0757US12327579B2Inspection deviceSAMSUNG ELECTRONICS CO LTD·Filed 2022·Granted Jun 10, 2025·0 cites·12 claims
- 0856US7411886B2Device and method of recording information on an optical discSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Aug 12, 2008·0 cites·8 claims
- 0949US9256061B2Focus control apparatus and methodSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Feb 9, 2016·0 cites·14 claims
- 1047US7057989B2Device and method of recording information on an optical discSAMSUNG ELECTRONICS CO LTD·Filed 2004·Granted Jun 6, 2006·0 cites·9 claims
- 1145US2006209651A1Optical information recording apparatus, apparatus and method for setting write strategy, and computer program thereforSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 1244US2006245327A1Optical information writing apparatus and methodSUZUKI TOSKIAKI·Filed 2006·Application pending·0 cites
- 1341US7440373B2Optical disk drive detecting disk surface deviationSAMSUNG ELECTRONICS CO LTD·Filed 2004·Granted Oct 21, 2008·0 cites·8 claims
- 1439US9903705B2Apparatus for focus control and method for manufacturing semiconductor deviceSAMSUNG ELECTRONICS CO LTD·Filed 2016·Granted Feb 27, 2018·0 cites·14 claims
- 1537US6154338ARecording/reproducing apparatusALPS ELECTRIC CO LTD·Filed 1997·Granted Nov 28, 2000·4 cites·2 claims
- 1636US5796547ADisk cartridge and drive mechanism thereofALPS ELECTRIC CO LTD·Filed 1996·Granted Aug 18, 1998·3 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →