Inventor
WATANABE KEIKO
JP40 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE KEIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
13 patentsUS6597532B1Jul 22, 2003
Information recording disk apparatus
HITACHI LTD44 citations92
US6462910B1Oct 8, 2002
Magnetic disk apparatus
HITACHI LTD31 citations92
US6069774AMay 30, 2000
Magnetic head support device for magnetic disc recording device
HITACHI LTD21 citations92
US5999369ADec 7, 1999
Magnetic disk apparatus
HITACHI LTD39 citations92
US6490116B1Dec 3, 2002
Retraction control method and magnetic disk apparatus
HITACHI LTD16 citations84
US6307716B1Oct 23, 2001
Magnetic disk device
HITACHI LTD18 citations84
US6226155B1May 1, 2001
Ramp load type magnetic disk unit
HITACHI LTD17 citations84
US6373659B1Apr 16, 2002
Magnetic slider head and method of producing the same
HITACHI LTD8 citations74
US6122148ASep 19, 2000
Magnetic head slider and method of production thereof
HITACHI LTD10 citations74
US6839956B2Jan 11, 2005
Method for assembling disc apparatus
HITACHI LTD8 citations73
US6876513B2Apr 5, 2005
Rotary disk type storage device
HITACHI LTD3 citations63
US6636385B2Oct 21, 2003
Magnetic disc apparatus having actuator for head positioning mechanism
HITACHI LTD5 citations63
US5930082AJul 27, 1999
Magnetic head support device for magnetic disc recording device
HITACHI LTD3 citations63
TOSHIBA KK
5 patentsUS7685071B2Mar 23, 2010
Mobile communication terminal
TOSHIBA KK13 citations84
US7630940B2Dec 8, 2009
Content sharing system and method
TOSHIBA KK12 citations84
US7505955B2Mar 17, 2009
Information terminal and content storage/playback method
TOSHIBA KK12 citations84
US7984296B2Jul 19, 2011
Content protection device and content protection method
TOSHIBA KK7 citations73
US7401065B2Jul 15, 2008
System for downloading contents, and client terminal for downloading contents from contents server
TOSHIBA KK5 citations62