Inventor
OGIRO KENJI
JP41 patents
⚠️ This page may combine multiple inventors who share the name “OGIRO KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
31 patentsUS5294988AMar 15, 1994
Electronic apparatus with a watertight housing
HITACHI LTD164 citations99
US7967462B2Jun 28, 2011
Backlight assembly for liquid crystal display apparatus having inclined light emmitting elements
HITACHI LTD66 citations98
US5610655AMar 11, 1997
Electronic apparatus with a watertight housing
HITACHI LTD102 citations98
US6137759AOct 24, 2000
Removable disk drive system having a driving mechanism and removably housing a disc cartridge
HITACHI LTD42 citations93
US7826217B2Nov 2, 2010
Cooling device and electronic apparatus using the same
HITACHI LTD22 citations92
US5748238AMay 5, 1998
Video camera
HITACHI LTD30 citations92
US4837646AJun 6, 1989
Tape guide apparatus for helically wound tape
HITACHI LTD12 citations74
US4780783AOct 25, 1988
Locking device for a cover of magnetic tape cartridge
HITACHI LTD13 citations74
US5739976AApr 14, 1998
Magnetic recording and reproducing apparatus
HITACHI LTD10 citations73
US5565919AOct 15, 1996
Video camera/VTR and camera station with opto-electronic link between camera/VTR and camera station
HITACHI LTD13 citations73
US5497279AMar 5, 1996
Tape cartridge and recording reproduction apparatus for the tape cartridge
HITACHI LTD9 citations73
US4862300AAug 29, 1989
Tape guide moving mechanism for magnetic record reproducing apparatus
HITACHI LTD7 citations73
US5291351AMar 1, 1994
Magnetic recording/reproducing apparatus
HITACHI LTD13 citations72
US4928191AMay 22, 1990
Tape loading mechanism for a rotating drum and cassette type magnetic recording and/or reproduction apparatus
HITACHI LTD9 citations72
US4748521AMay 31, 1988
Magnetic recording/reproducing apparatus for recording onto or reproducing from a magnetic tape
HITACHI LTD11 citations72
US5608585AMar 4, 1997
Magnetic recording and reproducing apparatus with repositioning stop mode
HITACHI LTD8 citations71
US5448427ASep 5, 1995
Magnetic recording and reproducing apparatus
HITACHI LTD10 citations71
US5278707AJan 11, 1994
Tape loading mechanism for magnetic recording and/or reproducing apparatus
HITACHI LTD8 citations71
US4136366AJan 23, 1979
Cassette tape recorder and method for producing the same
HITACHI LTD11 citations71
US5124862AJun 23, 1992
Tape loading mechanism for magnetic recording and reproducing devices
HITACHI LTD12 citations70
US4789912ADec 6, 1988
Magnetic recording and reproducing apparatus of rotary head type
HITACHI LTD18 citations70
US4583137AApr 15, 1986
Signal-recording/reproducing apparatus
HITACHI LTD9 citations70
US7913507B2Mar 29, 2011
Electronic equipment cooling system
HITACHI LTD4 citations63
US5469319ANov 21, 1995
Magnetic tape cassette having tape edge regulating members
HITACHI LTD4 citations63
US5016125AMay 14, 1991
Tape loading mechanism for a magnetic recording/reproducing apparatus
HITACHI LTD5 citations62
US4924329AMay 8, 1990
Rotary drum apparatus for a magnetic recording and reproducing device
HITACHI LTD5 citations61
US4070743AJan 31, 1978
Apparatus for mounting tension coil spring onto article
HITACHI LTD3 citations61
US6874157B2Mar 29, 2005
Disk case
HITACHI LTD5 citations60
US4943874AJul 24, 1990
Tape tension controller for a cassette recording/playback apparatus
HITACHI LTD3 citations60
US5196977AMar 23, 1993
Tape guide mechanism for recording and reproducing device
HITACHI LTD0 citations41
US4135413AJan 23, 1979
Device or arrangement of parts for elastically loading movable member
HITACHI LTD0 citations40
HITACHI MAXELL
9 patentsUS4660784AApr 28, 1987
Tap cartridge
HITACHI MAXELL19 citations80
US4485989ADec 4, 1984
Recording tape cassette
HITACHI MAXELL12 citations72
US4485990ADec 4, 1984
Recording tape cassette
HITACHI MAXELL8 citations72
US4484248ANov 20, 1984
Magnetic recording tape cartridge
HITACHI MAXELL18 citations72
US4419708ADec 6, 1983
Magnetic recording tape cartridge
HITACHI MAXELL15 citations70
US5503348AApr 2, 1996
Opening and closing of a front lid of a tape cartridge
HITACHI MAXELL3 citations63
US5454527AOct 3, 1995
Tape cartridge
HITACHI MAXELL3 citations63
US4712149ADec 8, 1987
Recording tape cassette
HITACHI MAXELL6 citations63
US5556051ASep 17, 1996
Tape cartridge having a front lid with a covering wall
HITACHI MAXELL1 citations52