Inventor
SAKEMOTO AKITO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “SAKEMOTO AKITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI MAXELL
13 patentsUS6101153AAug 8, 2000
Magnetic head capable of generating multi-stepped external magnetic fields for magneto-optical recording device
HITACHI MAXELL62 citations95
US6246640B1Jun 12, 2001
Magneto-optical recording medium capable of recording multiple value signals
HITACHI MAXELL25 citations92
US6061307AMay 9, 2000
Magneto-optical recording medium having a plurality of magnetic layers
HITACHI MAXELL21 citations92
US5408452AApr 18, 1995
Optical information recording/reproducing system including novel tracking system
HITACHI MAXELL20 citations92
US5007039AApr 9, 1991
Optical information recording/reproducing apparatus
HITACHI MAXELL31 citations92
US6944377B2Sep 13, 2005
Optical communication device and laminated optical communication module
HITACHI MAXELL22 citations87
US4695910ASep 22, 1987
Recording disc cartridge having an improved hub assembly
HITACHI MAXELL24 citations81
US7820968B2Oct 26, 2010
Image acquisition apparatus, conversion apparatus and image acquisition method
HITACHI MAXELL10 citations79
US4895758AJan 23, 1990
Magnetic recording medium
HITACHI MAXELL16 citations73
US4803578AFeb 7, 1989
Assembly for stably mounting magnetic head on carriage
HITACHI MAXELL12 citations73
US9547218B2Jan 17, 2017
Lens module and portable photography device
HITACHI MAXELL5 citations72
US8027519B2Sep 27, 2011
Imaging module for biometrics authentication, biometrics authentication apparatus and prism
HITACHI MAXELL5 citations61
US4828925AMay 9, 1989
Magnetic disc
HITACHI MAXELL4 citations60