Inventor
KOYAMA TOSHISADA
JP17 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA TOSHISADA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINEBEA CO LTD
16 patentsUS6655847B2Dec 2, 2003
Pivot bearing assembly
MINEBEA CO LTD35 citations92
US6449130B1Sep 10, 2002
Head stack assembly enabling independent control of a position of magnetic heads for access to different magnetic disks and support method thereof
MINEBEA CO LTD43 citations92
US7135860B2Nov 14, 2006
Variable reluctance resolver including rotor with multiple detection portions
MINEBEA CO LTD19 citations90
US6527449B1Mar 4, 2003
Pivot bearing
MINEBEA CO LTD39 citations88
US6574076B1Jun 3, 2003
Pivot assembly for driving a magnetic head
MINEBEA CO LTD15 citations83
US7044005B2May 16, 2006
Rotation angle sensor having single wire windings and method for winding a rotation angle sensor
MINEBEA CO LTD8 citations74
US6406191B1Jun 18, 2002
Pivot assembly
MINEBEA CO LTD12 citations74
US7341379B2Mar 11, 2008
Pivot assembly for hard disk drive use
MINEBEA CO LTD8 citations73
US6371652B1Apr 16, 2002
Bearing retainer
MINEBEA CO LTD8 citations72
US7136262B2Nov 14, 2006
Pivot assembly preloaded by laser welding for hard disk drive use
MINEBEA CO LTD3 citations62
US7056029B2Jun 6, 2006
Bearing device
MINEBEA CO LTD4 citations62
US6995955B2Feb 7, 2006
Pivot assembly for hard disk drive use
MINEBEA CO LTD5 citations62
US6678122B2Jan 13, 2004
Actuator block
MINEBEA CO LTD6 citations62
US6883969B2Apr 26, 2005
Pivot bearing assembly and a method of manufacturing the same
MINEBEA CO LTD5 citations61
US7197951B2Apr 3, 2007
Multi-resolver rotation angle sensor with integrated housing
MINEBEA CO LTD6 citations60
US6559573B2May 6, 2003
Spindle motor and pivot assembly
MINEBEA CO LTD3 citations60