P

Inventor

OKITA MASAO

JP35 patents
⚠️ This page may combine multiple inventors who share the name “OKITA MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ALPS ELECTRIC CO LTD

28 patents
US4737948AApr 12, 1988

Disk clamp device

ALPS ELECTRIC CO LTD28 citations92
US4719526AJan 12, 1988

Disk memory device

ALPS ELECTRIC CO LTD30 citations92
US4639595AJan 27, 1987

Optical rotary encoder

ALPS ELECTRIC CO LTD33 citations92
US4759119AJul 26, 1988

Method of fabricating a magnetic head assembly

ALPS ELECTRIC CO LTD24 citations80
US4637010AJan 13, 1987

Disc clamp device

ALPS ELECTRIC CO LTD10 citations74
US4618951AOct 21, 1986

Disc clamp device

ALPS ELECTRIC CO LTD15 citations74
US4613968ASep 23, 1986

Disk drive mechanism

ALPS ELECTRIC CO LTD7 citations74
US4575837AMar 11, 1986

Medium clamp mechanism

ALPS ELECTRIC CO LTD9 citations74
US4891513AJan 2, 1990

Photosensor block having an adjustable mounting structure to permit fine positioning of the photosensor block included in the photosensor block

ALPS ELECTRIC CO LTD5 citations73
US4786998ANov 22, 1988

Disk driving device

ALPS ELECTRIC CO LTD13 citations73
US4774613ASep 27, 1988

Photosensor block

ALPS ELECTRIC CO LTD11 citations73
US4679106AJul 7, 1987

Spring loaded ejector for disc cartridge

ALPS ELECTRIC CO LTD10 citations73
US4641211AFeb 3, 1987

Disk cartridge loading mechanism in a recording and reproducing apparatus

ALPS ELECTRIC CO LTD9 citations73
US4672490AJun 9, 1987

Recording and reproducing device for magnetic disc including a head damping device

ALPS ELECTRIC CO LTD8 citations72
US4901430AFeb 20, 1990

Method of mounting a magnetic head

ALPS ELECTRIC CO LTD10 citations71
US4855852AAug 8, 1989

Mounting structure for magnetic head

ALPS ELECTRIC CO LTD2 citations63
US4737870AApr 12, 1988

Magnetic recording and reproducing apparatus having disk centering bearing

ALPS ELECTRIC CO LTD6 citations63
US4704646ANov 3, 1987

Twist preventing mechanism for leaf hinge spring in a magnetic head assembly

ALPS ELECTRIC CO LTD2 citations63
US4688440AAug 25, 1987

Member for intermittent feed motion

ALPS ELECTRIC CO LTD2 citations63
US4766510AAug 23, 1988

Carriage shift assembly for disc driving device

ALPS ELECTRIC CO LTD7 citations62
US4651240AMar 17, 1987

Disk cartridge loading and ejecting mechanism in a recording and playback apparatus

ALPS ELECTRIC CO LTD6 citations62
US4635149AJan 6, 1987

Loading and ejecting mechanism in a recording and reproducing apparatus

ALPS ELECTRIC CO LTD4 citations62
US4967297AOct 30, 1990

Magnetic disk head positioning device

ALPS ELECTRIC CO LTD6 citations60
US4831479AMay 16, 1989

Pivot support structure for magnetic head assembly

ALPS ELECTRIC CO LTD4 citations60
US4742509AMay 3, 1988

Disk rotating device

ALPS ELECTRIC CO LTD2 citations57
US4791513ADec 13, 1988

Button shaped head for floppy disc

ALPS ELECTRIC CO LTD1 citations52
US4774612ASep 27, 1988

Carriage moving device

ALPS ELECTRIC CO LTD1 citations51
US4677358AJun 30, 1987

Stepping motor drive controlling circuit

ALPS ELECTRIC CO LTD1 citations51

HON HAI PREC IND CO LTD

7 patents