Masao Ohkita

Person

Furukawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Reflector having pits and projection on a surface thereof, manufact...
- Patent number 6,429,919
- Issue date Aug 6, 2002
- Alps Electric Co., Ltd.
- Tomomasa Takatsuka
- G02 - OPTICS
Information Patent Grant
Reflector having pits and projections on a surface thereof, manufac...
- Patent number 6,421,106
- Issue date Jul 16, 2002
- Alps Electric Co., Ltd.
- Tomomasa Takatsuka
- G02 - OPTICS
Information Patent Grant
Disk ejection device
- Patent number 6,256,280
- Issue date Jul 3, 2001
- Alps Electric Co., Ltd.
- Toshihiro Sakurai
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording/regenerating apparatus
- Patent number 6,233,113
- Issue date May 15, 2001
- Alps Electric Co., Ltd.
- Masao Ohkita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording/regenerating apparatus
- Patent number 6,233,112
- Issue date May 15, 2001
- Alps Electric Co., Ltd.
- Masao Ohkita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording-reproducing device
- Patent number 6,188,541
- Issue date Feb 13, 2001
- Alps Electric Co., Ltd.
- Masao Ohkita
- G11 - INFORMATION STORAGE
Information Patent Grant
Mechanism in disk drive apparatus for preventing insertion of a dis...
- Patent number 5,940,248
- Issue date Aug 17, 1999
- Alps Electric Co., Ltd.
- Osamu Shigenai
- G11 - INFORMATION STORAGE
Information Patent Grant
Motor and recording and/or reproducing apparatus using the motor
- Patent number 5,861,687
- Issue date Jan 19, 1999
- Alps Electric Co., Ltd.
- Atsushi Iwanaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Bearing structure for stepping motor
- Patent number 5,859,485
- Issue date Jan 12, 1999
- Alps Electric Co., Ltd.
- Kenji Uehara
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Disk cartridge and drive mechanism thereof
- Patent number 5,796,547
- Issue date Aug 18, 1998
- Alps Electric Co., Ltd.
- Masao Ohkita
- G11 - INFORMATION STORAGE
Information Patent Grant
Push-lock devices
- Patent number 5,432,312
- Issue date Jul 11, 1995
- Alps Electric Co., Ltd.
- Hiroki Otani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Disk drive including flexible print board and back tension regulati...
- Patent number 5,105,321
- Issue date Apr 14, 1992
- Alps Electric Co., Ltd.
- Masao Ohkita
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive device including a V-shaped air filter
- Patent number 5,101,305
- Issue date Mar 31, 1992
- Alps Electric Co., Ltd.
- Masao Ohkita
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive with improved structure for fastening bearing assembly t...
- Patent number 5,099,374
- Issue date Mar 24, 1992
- Alps Electric Co., Ltd.
- Masao Ohkita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head supporting device
- Patent number 5,012,366
- Issue date Apr 30, 1991
- Alps Electric Co., Ltd.
- Masao Ohkita
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk cassette loading and ejecting mechanism for a magnetic disk ap...
- Patent number 4,901,174
- Issue date Feb 13, 1990
- Alps Electric Co., Ltd.
- Yukio Saito
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of producing magnetic head device
- Patent number 4,875,276
- Issue date Oct 24, 1989
- Alps Electric Co., Ltd.
- Ryu Yunokuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive apparatus having fine adjustment structure for disk pres...
- Patent number 4,851,941
- Issue date Jul 25, 1989
- Alps Electric Co., Ltd.
- Masao Ohkita
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc driving device
- Patent number 4,803,576
- Issue date Feb 7, 1989
- Alps Electric Co., Ltd.
- Masao Ohkita
- G11 - INFORMATION STORAGE
Information Patent Grant
Welded leaf spring mounting for magnetic head assembly of disk driv...
- Patent number 4,796,118
- Issue date Jan 3, 1989
- Alps Electric Co., Ltd.
- Masao Ohkita
- G11 - INFORMATION STORAGE
Information Patent Grant
Door assembly with inner shutter for closing opening for cartridge...
- Patent number 4,785,365
- Issue date Nov 15, 1988
- Alps Electric Co., Ltd.
- Masao Ohkita
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc driving device employing a seven drive head positioning unit
- Patent number 4,779,155
- Issue date Oct 18, 1988
- Alps Electric Co., Ltd.
- Masao Ohkita
- G11 - INFORMATION STORAGE
Information Patent Grant
Loading/ejecting mechanism in disk driving device having sliding pl...
- Patent number 4,772,973
- Issue date Sep 20, 1988
- Alps Electric Co., Ltd.
- Masao Ohkita
- G11 - INFORMATION STORAGE
Information Patent Grant
Switch having a coil spring and method of assembling
- Patent number 4,314,118
- Issue date Feb 2, 1982
- Alps Electric Co., Ltd.
- Masao Ohkita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rotary switch assembly
- Patent number 4,146,758
- Issue date Mar 27, 1979
- Alps Electric Co., Ltd.
- Kenji Hiwatahi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lever switch
- Patent number 4,137,438
- Issue date Jan 30, 1979
- Alps Electric Co., Ltd.
- Hidetoshi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Push switch
- Patent number 4,129,764
- Issue date Dec 12, 1978
- Alps Electric Co., Ltd.
- Masao Ohkita
- H01 - BASIC ELECTRIC ELEMENTS

Masao Ohkita

Person

Patents Grantslast 30 patents

Reflector having pits and projection on a surface thereof, manufact...

Reflector having pits and projections on a surface thereof, manufac...

Disk ejection device

Magnetic recording/regenerating apparatus

Magnetic recording/regenerating apparatus

Magnetic recording-reproducing device

Mechanism in disk drive apparatus for preventing insertion of a dis...

Motor and recording and/or reproducing apparatus using the motor

Bearing structure for stepping motor

Disk cartridge and drive mechanism thereof

Push-lock devices

Disk drive including flexible print board and back tension regulati...

Disk drive device including a V-shaped air filter

Disk drive with improved structure for fastening bearing assembly t...

Magnetic head supporting device

Disk cassette loading and ejecting mechanism for a magnetic disk ap...

Method of producing magnetic head device

Disk drive apparatus having fine adjustment structure for disk pres...

Disc driving device

Welded leaf spring mounting for magnetic head assembly of disk driv...

Door assembly with inner shutter for closing opening for cartridge...

Disc driving device employing a seven drive head positioning unit

Loading/ejecting mechanism in disk driving device having sliding pl...

Switch having a coil spring and method of assembling

Rotary switch assembly

Lever switch

Push switch