Inventor · disambiguated record
Kenji Akahoshi
Also filed as: AKAHOSHI KENJI
17 granted patents·6 pending applications·20 citations·filing 2004–2023
88Inventor score
Files withAKAHOSHI KENJI11HITACHI-LG DATA STORAGE INC4HITACHI LTD3HITACHI CONSUMER ELECTRONICS2FUJITA SHINJI1
Top patents by PatentIndex Score
23 records- 0180US8611194B2Recording and reproducing apparatus and methodAKAHOSHI KENJI·Filed 2009·Granted Dec 17, 2013·5 cites·21 claims
- 0280US7593299B2Optical disk recording/reproducing apparatus and optical disk recording/reproducing methodHITACHI LTD·Filed 2005·Granted Sep 22, 2009·4 cites·12 claims
- 0377US7719939B2Optical disk drive and method for allocating spare area on optical disk mediumHITACHI LTD·Filed 2005·Granted May 18, 2010·3 cites·14 claims
- 0467US9208035B2Optical information recording and reproducing apparatus, optical information recording and reproducing method, and data library apparatusHITACHI CONSUMER ELECTRONICS·Filed 2013·Granted Dec 8, 2015·2 cites·3 claims
- 0566US8493828B2Media recording/reading device and media recording/reading methodAKAHOSHI KENJI·Filed 2011·Granted Jul 23, 2013·2 cites·4 claims
- 0666US8385175B2Recording and reproduction apparatus and method for monitoring and managing laser power calibration areas in a multi-layer recording mediumHITACHI LG DATA STORAGE INC·Filed 2010·Granted Feb 26, 2013·2 cites·4 claims
- 0762US8493827B2Optical disc and optical disc apparatusFUJITA SHINJI·Filed 2010·Granted Jul 23, 2013·1 cites·1 claims
- 0861US8619524B2Recording reproducing apparatus and recording reproducing methodAKAHOSHI KENJI·Filed 2012·Granted Dec 31, 2013·1 cites·16 claims
- 0957US11867810B2Distance measurement system and method for displaying detection intensity distribution of distance measurement sensorHITACHI LG DATA STORAGE INC·Filed 2021·Granted Jan 9, 2024·0 cites·17 claims
- 1053US8750085B2Media record/play device and media record/play methodHITACHI CONSUMER ELECTRONICS·Filed 2013·Granted Jun 10, 2014·0 cites·14 claims
- 1153US8151045B2Medium recording/reproducing apparatus enabling to notice of edition number and method for managing edition number of timesAKAHOSHI KENJI·Filed 2008·Granted Apr 3, 2012·0 cites·9 claims
- 1253US2024053188A1Article identification system, article identification method, non-transitory computer-readable storage medium, and article acquisition determination systemHITACHI LG DATA STORAGE INC·Filed 2023·Application pending·0 cites
- 1351US8472298B2Optical information recording and reproducing apparatus and optical information recording methodAKAHOSHI KENJI·Filed 2009·Granted Jun 25, 2013·0 cites·2 claims
- 1450US2009092012A1Device and method of recording/reproducing information into/from a mediumAKAHOSHI KENJI·Filed 2008·Application pending·0 cites
- 1547US2007280075A1Disc Recording/Playback Device, Media Recording/Playback Device and Data Recording/Playback MethodAKAHOSHI KENJI·Filed 2007·Application pending·0 cites
- 1646US8446806B2Media record/play device and media record/play methodAKAHOSHI KENJI·Filed 2010·Granted May 21, 2013·0 cites·16 claims
- 1743US8289822B2Optical disc reproducing apparatus for implementing an optical recording and reproducing method for multi-layer optical discsKATAOKA TAKEYOSHI·Filed 2010·Granted Oct 16, 2012·0 cites·10 claims
- 1842US7583572B2Apparatus and method for calibrating laser power in an optical disk apparatusHITACHI LTD·Filed 2004·Granted Sep 1, 2009·0 cites·9 claims
- 1940US2013074104A1Medium having spare area, and recording apparatus and recording method of the mediumAKAHOSHI KENJI·Filed 2012·Application pending·0 cites
- 2038US8139454B2Recording and reproducing apparatus and methodAKAHOSHI KENJI·Filed 2010·Granted Mar 20, 2012·0 cites·15 claims
- 2135US8121006B2Apparatus and method for using replacement areas having certain usage directions, based on whether defects are registered as re-allocated or contiguous re-allocated defect types, in a recording mediumAKAHOSHI KENJI·Filed 2010·Granted Feb 21, 2012·0 cites·12 claims
- 2235US2007263513A1Optical disk recording device, recording method for optical diskTSUKUDA TAKUMA·Filed 2006·Application pending·0 cites
- 2333US2016232934A1Optical disk device, library system and data recording methodHITACHI-LG DATA STORAGE INC·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →