P

Inventor

OHKITA MASAO

JP33 patents
⚠️ This page may combine multiple inventors who share the name “OHKITA MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ALPS ELECTRIC CO LTD

29 patents
US5099374AMar 24, 1992

Disk drive with improved structure for fastening bearing assembly to rotor and housing

ALPS ELECTRIC CO LTD43 citations96
US4456155AJun 26, 1984

Aerosol spray device

ALPS ELECTRIC CO LTD64 citations93
US6256280B1Jul 3, 2001

Disk ejection device

ALPS ELECTRIC CO LTD36 citations92
US5101305AMar 31, 1992

Disk drive device including a V-shaped air filter

ALPS ELECTRIC CO LTD23 citations92
US4785365ANov 15, 1988

Door assembly with inner shutter for closing opening for cartridge insertion in disk drive device

ALPS ELECTRIC CO LTD34 citations92
US6429919B1Aug 6, 2002

Reflector having pits and projection on a surface thereof, manufacturing method for the same, and reflection-type liquid crystal display device employing the reflector

ALPS ELECTRIC CO LTD38 citations91
US6421106B1Jul 16, 2002

Reflector having pits and projections on a surface thereof, manufacturing method for the same, and reflection type liquid crystal display device employing the reflector

ALPS ELECTRIC CO LTD34 citations91
US4901174AFeb 13, 1990

Disk cassette loading and ejecting mechanism for a magnetic disk apparatus

ALPS ELECTRIC CO LTD12 citations74
US4137438AJan 30, 1979

Lever switch

ALPS ELECTRIC CO LTD10 citations74
US4803576AFeb 7, 1989

Disc driving device

ALPS ELECTRIC CO LTD12 citations72
US4875276AOct 24, 1989

Method of producing magnetic head device

ALPS ELECTRIC CO LTD7 citations71
US5861687AJan 19, 1999

Motor and recording and/or reproducing apparatus using the motor

ALPS ELECTRIC CO LTD7 citations68
US4146758AMar 27, 1979

Rotary switch assembly

ALPS ELECTRIC CO LTD7 citations65
US5859485AJan 12, 1999

Bearing structure for stepping motor

ALPS ELECTRIC CO LTD3 citations63
US4765782AAug 23, 1988

Cutter

ALPS ELECTRIC CO LTD6 citations63
US4129764ADec 12, 1978

Push switch

ALPS ELECTRIC CO LTD6 citations63
US5796547AAug 18, 1998

Disk cartridge and drive mechanism thereof

ALPS ELECTRIC CO LTD3 citations62
US5105321AApr 14, 1992

Disk drive including flexible print board and back tension regulating piece

ALPS ELECTRIC CO LTD6 citations62
US4851941AJul 25, 1989

Disk drive apparatus having fine adjustment structure for disk pressing pad

ALPS ELECTRIC CO LTD3 citations62
US4779155AOct 18, 1988

Disc driving device employing a seven drive head positioning unit

ALPS ELECTRIC CO LTD2 citations62
US4772973ASep 20, 1988

Loading/ejecting mechanism in disk driving device having sliding plate below the turntable motor

ALPS ELECTRIC CO LTD5 citations62
US4314118AFeb 2, 1982

Switch having a coil spring and method of assembling

ALPS ELECTRIC CO LTD2 citations62
US4796118AJan 3, 1989

Welded leaf spring mounting for magnetic head assembly of disk drive apparatus

ALPS ELECTRIC CO LTD2 citations61
US5012366AApr 30, 1991

Magnetic head supporting device

ALPS ELECTRIC CO LTD4 citations60
US6188541B1Feb 13, 2001

Magnetic recording-reproducing device

ALPS ELECTRIC CO LTD4 citations59
US5432312AJul 11, 1995

Push-lock devices

ALPS ELECTRIC CO LTD4 citations58
US5940248AAug 17, 1999

Mechanism in disk drive apparatus for preventing insertion of a disk cartridge when the shutter disk cartridge is closed

ALPS ELECTRIC CO LTD0 citations48
US6233112B1May 15, 2001

Magnetic recording/regenerating apparatus

ALPS ELECTRIC CO LTD0 citations38
US6233113B1May 15, 2001

Magnetic recording/regenerating apparatus

ALPS ELECTRIC CO LTD0 citations38

HON HAI PREC IND CO LTD

4 patents