Inventor
ARATANI KATSUHISA
JP112 patents
⚠️ This page may combine multiple inventors who share the name “ARATANI KATSUHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
42 patentsUS7009208B2Mar 7, 2006
Memory device and method of production and method of use of same and semiconductor device and method of production of same
SONY CORP47 citations96
US6788635B1Sep 7, 2004
Optical recording medium, optical recording method, optical reproducing method, optical recording device, optical reproducing device, and optical recording/reproducing device
SONY CORP62 citations96
US6356524B2Mar 12, 2002
Method of recording/reproducing an information signal
SONY CORP52 citations96
US6249503B1Jun 19, 2001
Method of and apparatus for recording/reproducing an information signal, recording/reproducing head device, memory medium, and head element
SONY CORP30 citations96
US5168482ADec 1, 1992
Magnetooptical recording and playback method employing multi-layer recording medium with record holding layer and playback layer
SONY CORP78 citations96
US9615173B2Apr 4, 2017
Information processing system and storage medium
SONY CORP42 citations94
US7425724B2Sep 16, 2008
Memory device and method of production and method of use of same and semiconductor device and method of production of same
SONY CORP25 citations93
US7307270B2Dec 11, 2007
Memory element and memory device
SONY CORP26 citations93
US7175962B2Feb 13, 2007
Resist material and nanofabrication method
SONY CORP23 citations93
US7145791B2Dec 5, 2006
Memory device having variable resistive memory element
SONY CORP32 citations93
US6723281B1Apr 20, 2004
Metal material for electronic parts, electronic parts, electronic apparatuses, and method of processing metal materials
SONY CORP28 citations93
US6384435B1May 7, 2002
Data cell region and system region for a semiconductor memory
SONY CORP14 citations93
US6272083B1Aug 7, 2001
Method of and apparatus for recording/reproducing information signal, recording/reproducing head device. Memory medium, and head element and manufacture thereof
SONY CORP19 citations93
US6049521AApr 11, 2000
Optical recording medium and method for producing same
SONY CORP35 citations93
US7719082B2May 18, 2010
Memory device and storage apparatus
SONY CORP22 citations92
US7345908B2Mar 18, 2008
Memory device
SONY CORP21 citations92
US6241843B1Jun 5, 2001
Multilayer optical disk
SONY CORP15 citations92
US6063468AMay 16, 2000
Optical recording medium
SONY CORP42 citations92
US5766717AJun 16, 1998
Multilayer optical disk
SONY CORP27 citations92
US5241520AAug 31, 1993
System and method of reproducing signals recorded on a magneto-optic recording medium
SONY CORP40 citations92
US5018119AMay 21, 1991
Method for reproducing signal using an external magnetic field from magneto-optical recording medium having three magnetic layers
SONY CORP37 citations92
US4955007ASep 4, 1990
Thermomagnetic recording method applying power modulated laser on a magnetically coupled double layer structure of perpendicular anisotropy film
SONY CORP26 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
US7715220B2May 11, 2010
Memory apparatus
SONY CORP10 citations84
US7560724B2Jul 14, 2009
Storage device with reversible resistance change elements
SONY CORP18 citations84
US7433220B2Oct 7, 2008
Two variable resistance elements being formed into a laminated layer with a common electrode and method of driving the same
SONY CORP13 citations84
US7344822B2Mar 18, 2008
Resist material and nanofabrication method
SONY CORP10 citations84
US7184295B2Feb 27, 2007
Memory device
SONY CORP10 citations84
US7167390B2Jan 23, 2007
Storage device with resistive memory cells enduring repetitive data writing
SONY CORP13 citations84
US7126152B2Oct 24, 2006
Storage device
SONY CORP18 citations84
US7092278B2Aug 15, 2006
Memory device
SONY CORP18 citations84
US7016234B2Mar 21, 2006
Storage device
SONY CORP12 citations84
US7719873B2May 18, 2010
Memory and semiconductor device with memory state detection
SONY CORP8 citations83
US6269067B1Jul 31, 2001
Method of and apparatus for recording/reproducing information signal recording/reproducing head device memory and head element and manufacture thereof
SONY CORP13 citations82
US6262962B1Jul 17, 2001
Method of and apparatus for recording/reproducing information signal, recording/reproducing head device, memory medium, and head element and manufacture thereof
SONY CORP11 citations82
US5448538ASep 5, 1995
Electromagnet coils having a different inductance during magneto-optical recording and reproducing
SONY CORP19 citations82
US7786459B2Aug 31, 2010
Memory element and memory device comprising memory layer positioned between first and second electrodes
SONY CORP7 citations74
US7560220B2Jul 14, 2009
Resist material and nanofabrication method
SONY CORP4 citations74
US6909625B2Jun 21, 2005
Method to produce data cell region and system region for semiconductor memory
SONY CORP4 citations74
US6572957B1Jun 3, 2003
Magneto-optical recording medium with four layered recording layer having specific relative magnetic anisotropy values
SONY CORP11 citations74
US6537637B2Mar 25, 2003
Multilayer optical disk
SONY CORP6 citations74
US6501725B2Dec 31, 2002
Method of recording/reproducing an information signal
SONY CORP7 citations74
YASUDA SHUICHIRO
2 patentsARATANI KATSUHISA
2 patentsFURUYAMETALS CO LTD
1 patentOHBA KAZUHIRO
1 patentSHIMUTA MASAYUKI
1 patentKOUCHIYAMA AKIRA
1 patentShowing the top 50 of 112 patents by PatentIndex Score.