Inventor
AKAHOSHI KENJI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “AKAHOSHI KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AKAHOSHI KENJI
8 patentsUS8611194B2Dec 17, 2013
Recording and reproducing apparatus and method
AKAHOSHI KENJI5 citations71
US8493828B2Jul 23, 2013
Media recording/reading device and media recording/reading method
AKAHOSHI KENJI2 citations60
US8619524B2Dec 31, 2013
Recording reproducing apparatus and recording reproducing method
AKAHOSHI KENJI1 citations50
US8446806B2May 21, 2013
Media record/play device and media record/play method
AKAHOSHI KENJI0 citations50
US8472298B2Jun 25, 2013
Optical information recording and reproducing apparatus and optical information recording method
AKAHOSHI KENJI0 citations39
US8151045B2Apr 3, 2012
Medium recording/reproducing apparatus enabling to notice of edition number and method for managing edition number of times
AKAHOSHI KENJI0 citations39
US8139454B2Mar 20, 2012
Recording and reproducing apparatus and method
AKAHOSHI KENJI0 citations39
US8121006B2Feb 21, 2012
Apparatus 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 medium
AKAHOSHI KENJI0 citations39
HITACHI LTD
3 patentsUS7719939B2May 18, 2010
Optical disk drive and method for allocating spare area on optical disk medium
HITACHI LTD3 citations62
US7593299B2Sep 22, 2009
Optical disk recording/reproducing apparatus and optical disk recording/reproducing method
HITACHI LTD4 citations62
US7583572B2Sep 1, 2009
Apparatus and method for calibrating laser power in an optical disk apparatus
HITACHI LTD0 citations41
HITACHI CONSUMER ELECTRONICS
2 patentsUS9208035B2Dec 8, 2015
Optical information recording and reproducing apparatus, optical information recording and reproducing method, and data library apparatus
HITACHI CONSUMER ELECTRONICS2 citations62
US8750085B2Jun 10, 2014
Media record/play device and media record/play method
HITACHI CONSUMER ELECTRONICS0 citations50
HITACHI LG DATA STORAGE INC
2 patentsUS8385175B2Feb 26, 2013
Recording and reproduction apparatus and method for monitoring and managing laser power calibration areas in a multi-layer recording medium
HITACHI LG DATA STORAGE INC2 citations60
US11867810B2Jan 9, 2024
Distance measurement system and method for displaying detection intensity distribution of distance measurement sensor
HITACHI LG DATA STORAGE INC0 citations50