Inventor · disambiguated record
Seiji Imagawa
Also filed as: IMAGAWA SEIJI
10 granted patents·2 pending applications·45 citations·filing 1999–2020
82Inventor score
Top patents by PatentIndex Score
12 records- 0170US7933175B2Optical disk driveHITACHI LTD·Filed 2006·Granted Apr 26, 2011·2 cites·10 claims
- 0269US6657666B1Method and apparatus for recording image informationHITACHI LTD·Filed 1999·Granted Dec 2, 2003·39 cites·10 claims
- 0362US8223602B2Optical disc driveIMAGAWA SEIJI·Filed 2007·Granted Jul 17, 2012·1 cites·8 claims
- 0460US10613826B2Head-mounted display system and operating method for head-mounted display deviceMAXELL LTD·Filed 2014·Granted Apr 7, 2020·2 cites·15 claims
- 0559US10877298B2Head-mounted display deviceMAXELL LTD·Filed 2015·Granted Dec 29, 2020·1 cites·12 claims
- 0654US12361592B2Ranging sensor calibration system and ranging sensor calibration methodHITACHI LTD·Filed 2020·Granted Jul 15, 2025·0 cites·15 claims
- 0751US8547809B2Optical disk deviceIMAGAWA SEIJI·Filed 2009·Granted Oct 1, 2013·0 cites·5 claims
- 0846US8325574B2Optical disc deviceKATAOKA TAKEYOSHI·Filed 2008·Granted Dec 4, 2012·0 cites·18 claims
- 0944US2007008836A1Optical disk deviceIMAGAWA SEIJI·Filed 2006·Application pending·0 cites
- 1042US2006126466A1Information recording apparatus, information reproducing apparatus, information recording method, and information reproducing method with an improved track jump performanceIMAGAWA SEIJI·Filed 2005·Application pending·0 cites
- 1138US8559285B2Optical disc apparatusIMAGAWA SEIJI·Filed 2012·Granted Oct 15, 2013·0 cites·13 claims
- 1237US8634281B2Optical disc deviceIMAGAWA SEIJI·Filed 2012·Granted Jan 21, 2014·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →