Inventor
NAGASE FUMIO
JP27 patents
Patents
27 patentsUS6859426B1Feb 22, 2005
Optical disk drive unit
TEAC CORP24 citations92
US5473487ADec 5, 1995
Magnetic head gimbal seat damped against unwanted oscillation and resonance
TEAC CORP25 citations92
US5329510AJul 12, 1994
Method and apparatus for discriminating between unformatted magnetic disk assemblies of two different storage capacities
TEAC CORP20 citations92
US5442504AAug 15, 1995
Head supporting device of magnetic disk system
TEAC CORP22 citations91
US5414576AMay 9, 1995
Space saving configuration of a printed cirucit board for a magnetic head on a flexure seat for the head
TEAC CORP22 citations91
US5343344AAug 30, 1994
Connection of transducer leads to a printed circuit board in rotating disk data storage apparatus
TEAC CORP14 citations74
US5323371AJun 21, 1994
Disk storage in which direction of inserting disk is approximately orthogonal to direction of seeking by head
TEAC CORP7 citations74
US5309296AMay 3, 1994
System for eliminating noise arising from difference in polarity of magnetization by tunnel erase heads
TEAC CORP14 citations74
USD346160SApr 19, 1994
Spring for magnetic head
TEAC CORP6 citations74
US5257152AOct 26, 1993
Disk drive apparatus having a spindle permitting a thinner disk drive
TEAC CORP5 citations74
US5309628AMay 10, 1994
Assembling position adjusting mechanism of a spindle motor for a magnetic disk apparatus
TEAC CORP16 citations73
US5305167AApr 19, 1994
Magnetic disk apparatus having magnetic head insulated from metal head carriage
TEAC CORP14 citations72
US4811140AMar 7, 1989
Magnetic data transfer apparatus having improved transducer coil arrangement
TEAC CORP17 citations71
US4709285ANov 24, 1987
Head assemblies mounted for optimum contact with a flexible magnetic disk
TEAC CORP10 citations71
US6097576AAug 1, 2000
Magnetic head
TEAC CORP2 citations63
US5771137AJun 23, 1998
Thermally stable magnetic head assembly with magnetic head legs bonded to insular portions connected to flexible frame via bridges
TEAC CORP5 citations63
US5396375AMar 7, 1995
Dual head type magnetic disc recording/reproducing apparatus
TEAC CORP5 citations63
US5325250AJun 28, 1994
Magnetic head
TEAC CORP3 citations63
US5315450AMay 24, 1994
Dual head type magnetic disk recording/reproducing apparatus
TEAC CORP2 citations63
USD346808SMay 10, 1994
Magnetic head carriage
TEAC CORP5 citations63
US5293289AMar 8, 1994
Head carriage device
TEAC CORP2 citations63
US5303107AApr 12, 1994
System for holding a track counter active despite power suspension in rotating disk data storage apparatus
TEAC CORP6 citations62
US5043833AAug 27, 1991
Magnetic head assembly
TEAC CORP4 citations62
US5293601AMar 8, 1994
Floppy disk control unit and apparatus having a floppy disk control unit
TEAC CORP4 citations61
USRE35363EOct 29, 1996
Disk drive apparatus having a spindle permitting a thinner disk drive
TEAC CORP1 citations52
US5237474AAug 17, 1993
Head cartridge apparatus having head supporting arm partially inserted into disk case through window formed therein
TEAC CORP1 citations52
US5032934AJul 16, 1991
Magnetic disc apparatus with a cosine equalizer and specific gap length head
TEAC CORP1 citations52