Inventor
HAFEN MARTIN
DE14 patents
⚠️ This page may combine multiple inventors who share the name “HAFEN MARTIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINEBEA CO LTD
8 patentsUS7345392B2Mar 18, 2008
Spindle motor having a hydrodynamic bearing system
MINEBEA CO LTD22 citations91
US7059773B2Jun 13, 2006
Hydrodynamic bearing, spindle motor and hard disk drive
MINEBEA CO LTD10 citations73
US7001073B2Feb 21, 2006
Hydrodynamic bearing for a spindle motor
MINEBEA CO LTD7 citations73
US7008110B2Mar 7, 2006
Hydrodynamic pivot bearing
MINEBEA CO LTD2 citations62
US6921209B2Jul 26, 2005
Conical hydrodynamic pivot bearing
MINEBEA CO LTD2 citations62
US7125169B2Oct 24, 2006
Hydrodynamic pivot bearing
MINEBEA CO LTD0 citations51
US6906439B2Jun 14, 2005
Spindle motor with casing part in hard disk drives
MINEBEA CO LTD0 citations48
US6848829B2Feb 1, 2005
Hydrodynamic bearing arrangement for a spindle motor
MINEBEA CO LTD0 citations36
LITEF GMBH
5 patentsUS5614742AMar 25, 1997
Micromechanical accelerometer with plate-like semiconductor wafers
LITEF GMBH47 citations94
US5504032AApr 2, 1996
Micromechanical accelerometer and method of manufacture thereof
LITEF GMBH26 citations90
US5959206ASep 28, 1999
Micromechanical rotation speed sensor
LITEF GMBH41 citations89
US4953834ASep 4, 1990
Pendulum with bending spring joint
LITEF GMBH36 citations89
US6490923B1Dec 10, 2002
Micromechanical rpm sensor
LITEF GMBH18 citations82