Inventor
SAKAI YOSHIAKI
JP40 patents
⚠️ This page may combine multiple inventors who share the name “SAKAI YOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEAC CORP
28 patentsUS5155638AOct 13, 1992
Compatible data storage apparatus for use with disk assemblies of two or more different storage capacities
TEAC CORP26 citations92
US4771346ASep 13, 1988
Method and apparatus for rewriting on a magnetic disk on which data has been written by another apparatus having half the track density capability of the first apparatus
TEAC CORP36 citations92
US4651235AMar 17, 1987
Magnetic data transfer apparatus having a combined read/write head
TEAC CORP23 citations81
USD344270SFeb 15, 1994
Disc drive
TEAC CORP9 citations74
USD342726SDec 28, 1993
Disc drive
TEAC CORP8 citations74
US4594620AJun 10, 1986
Disk storage file with a four phase, single phase drive stepping motor
TEAC CORP15 citations74
US4583133AApr 15, 1986
Data transfer system with a plurality of disklike record media for selective use
TEAC CORP14 citations74
US4163532AAug 7, 1979
Tape speed control servomechanism for a magnetic tape cassette apparatus
TEAC CORP19 citations74
USD357467SApr 18, 1995
Disk unit
TEAC CORP6 citations73
US5309628AMay 10, 1994
Assembling position adjusting mechanism of a spindle motor for a magnetic disk apparatus
TEAC CORP16 citations73
US5291356AMar 1, 1994
Disk storage device having eject member
TEAC CORP13 citations73
US4903156AFeb 20, 1990
Magnetic recording and/or reproducing apparatus having a head support mechanism for suppressing vibration of magnetic heads
TEAC CORP10 citations72
USD345553SMar 29, 1994
Disc drive
TEAC CORP7 citations69
US4611257ASep 9, 1986
Vibration controlled data transfer apparatus with a double sided flexible magnetic disk
TEAC CORP8 citations68
US4074325AFeb 14, 1978
System for sensing the peaks of an output from a magnetic head
TEAC CORP9 citations66
US6097576AAug 1, 2000
Magnetic head
TEAC CORP2 citations63
USD343389SJan 18, 1994
Disk drive
TEAC CORP2 citations63
USD300323SMar 21, 1989
Disc drive assembly
TEAC CORP3 citations63
US4709283ANov 24, 1987
Recording disk centering and clamping apparatus
TEAC CORP6 citations63
US4691255ASep 1, 1987
Power saving circuit arrangement for data transfer apparatus with a disklike record medium
TEAC CORP5 citations63
US4675763AJun 23, 1987
Magnetic disk drive with a disk leveling mechanism
TEAC CORP3 citations63
USD357005SApr 4, 1995
Disk unit
TEAC CORP3 citations62
US5043833AAug 27, 1991
Magnetic head assembly
TEAC CORP4 citations62
US5357384AOct 18, 1994
Rotating disk data storage apparatus capable of preventing head travel when the disk is not loaded
TEAC CORP6 citations61
US5299074AMar 29, 1994
System for positioning a head in a transverse reference position on a multitrack digital magnetic tape
TEAC CORP3 citations61
US4694361ASep 15, 1987
Data transfer apparatus having a simplified clamp mechanism for holding a disklike record medium in place
TEAC CORP3 citations60
US5583711ADec 10, 1996
Greater capacity writing method for a belt-driven tape cartridge or the like
TEAC CORP4 citations56
US5032934AJul 16, 1991
Magnetic disc apparatus with a cosine equalizer and specific gap length head
TEAC CORP1 citations52
SAKAI YOSHIAKI
6 patentsUSD652074SJan 10, 2012
Toner cartridge
SAKAI YOSHIAKI15 citations84
USD648781SNov 15, 2011
Toner cartridge
SAKAI YOSHIAKI13 citations84
US8594539B2Nov 26, 2013
Outlet recess for a powder container for an image forming apparatus
SAKAI YOSHIAKI2 citations62
USD651643SJan 3, 2012
Toner cartridge
SAKAI YOSHIAKI4 citations62
USD648780SNov 15, 2011
Toner cartridge
SAKAI YOSHIAKI3 citations62
US8761637B2Jun 24, 2014
Attaching and detaching body and image forming apparatus
SAKAI YOSHIAKI1 citations51