Inventor
NAKAOKI ARIYOSHI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “NAKAOKI ARIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
18 patentsUS6023451AFeb 8, 2000
Optical recording medium and optical disk apparatus
SONY CORP101 citations97
US6241843B1Jun 5, 2001
Multilayer optical disk
SONY CORP15 citations92
US5766717AJun 16, 1998
Multilayer optical disk
SONY CORP27 citations92
US5726970AMar 10, 1998
Multi-layer optical recording medium
SONY CORP31 citations92
US4878132AOct 31, 1989
Thermomagnetic recording method applying power modulated laser on a magnetically coupled multi-layer structure of perpendicular anisotropy magnetic film
SONY CORP43 citations92
US6537637B2Mar 25, 2003
Multilayer optical disk
SONY CORP6 citations74
US6243327B1Jun 5, 2001
Magneto-optical disk system having a relation between a numerical aperture of an objective lens and the thickness of a cover layer
SONY CORP10 citations74
US6064632AMay 16, 2000
Recording/reproducing apparatus and a magneto-optical recording medium for use therewith
SONY CORP10 citations74
US5989670ANov 23, 1999
Multilayer optical disk
SONY CORP4 citations74
US5978320ANov 2, 1999
Recording/reproducing apparatus for use with a photomagnetic recording medium
SONY CORP10 citations74
US5353171AOct 4, 1994
Magneto-optical recording apparatus
SONY CORP8 citations70
US8031575B2Oct 4, 2011
Optical pickup device and recording/reproducing device
SONY CORP2 citations63
US7583580B2Sep 1, 2009
Optical recording medium as well as optical recording and reproduction method
SONY CORP3 citations63
US5761187AJun 2, 1998
Multi-layer optical disk
SONY CORP3 citations63
US6132862AOct 17, 2000
Magneto-optical recording medium
SONY CORP2 citations61
US8018827B2Sep 13, 2011
Solid immersion lens and focusing lens, optical pickup device, and data recording/reproducing apparatus using the same
SONY CORP0 citations51
US7940606B2May 10, 2011
Signal detecting device and signal detecting method
SONY CORP1 citations51
USRE40136EMar 4, 2008
Multilayer optical disk
SONY CORP0 citations42