P

Inventor

OHMORI KIYOSHI

JP31 patents
⚠️ This page may combine multiple inventors who share the name “OHMORI KIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

26 patents
US5182742AJan 26, 1993

Recording and/or reproducing apparatus with a disc cartridge temperature sensor

SONY CORP95 citations94
US5384757AJan 24, 1995

Magneto-optical disc recording and/or reproducing apparatus

SONY CORP22 citations93
US6122237ASep 19, 2000

Disc drive apparatus with optical axis inclination adjustment based on a skew sensor and reference

SONY CORP26 citations92
US5970035AOct 19, 1999

Disc device that controls the incident angle of a light beam striking a disc

SONY CORP48 citations92
US5850384ADec 15, 1998

Disk cartridge

SONY CORP22 citations92
US5841752ANov 24, 1998

Disc drive unit

SONY CORP18 citations92
US5815470ASep 29, 1998

Disc drive unit

SONY CORP17 citations92
US5416762AMay 16, 1995

Improved disc cartridge and recording and/or reproducing apparatus having means for positioning a turntable and disc cartridge support structure and means for reducing vibrations

SONY CORP38 citations92
US5414687AMay 9, 1995

Disc recording/reproducing apparatus

SONY CORP29 citations92
US5329503AJul 12, 1994

Magneto-optical disc recording/reproducing apparatus

SONY CORP25 citations92
US6567361B1May 20, 2003

Disk tray formed with groove for preventing dust intrusion

SONY CORP16 citations84
US6154431ANov 28, 2000

Recording and reproducing apparatus

SONY CORP12 citations82
US5699344ADec 16, 1997

Disk drive device having stabilized spindle

SONY CORP9 citations74
US5648944AJul 15, 1997

Recording/reproducing apparatus that utilizes the servo clock signals to form read and write clock signals with different frequencies

SONY CORP7 citations74
US5627810AMay 6, 1997

Recording/reproducing apparatus that forms read and write clock signals with differing frequencies from the servo clock signals

SONY CORP7 citations74
US5502704AMar 26, 1996

Disc recording and/or reproducing apparatus

SONY CORP15 citations74
US5452271ASep 19, 1995

Magneto-optical disc recording and/or reproducing apparatus with simplified means for moving the magnetic head close to and away from the magneto-optical disc during loading and unloading of the magneto-optical disc cartridge

SONY CORP13 citations74
US5428583AJun 27, 1995

Magneto-optical disc recording/reproducing apparatus

SONY CORP19 citations74
US5163037ANov 10, 1992

Disc cartridge and recording/reproducing apparatus discriminating means

SONY CORP17 citations74
US6314076B1Nov 6, 2001

Optical pickup device in recording and/reproducing apparatus

SONY CORP9 citations73
US6272092B1Aug 7, 2001

Recording and reproducing apparatus with lock and release mechanism

SONY CORP8 citations73
US6188661B1Feb 13, 2001

Recording and reproducing apparatus having elevation mechanism

SONY CORP5 citations73
US6046976AApr 4, 2000

Disc cartridge with grooves for a recording and reproducing apparatus

SONY CORP5 citations73
US6021108AFeb 1, 2000

Optical pickup device in recording and/reproducing apparatus

SONY CORP8 citations73
US5327309AJul 5, 1994

Disk drive apparatus with shutter locking mechanism which is preventive of play of disk cartridge in loading condition

SONY CORP8 citations71
US6522621B1Feb 18, 2003

Disc cassette

SONY CORP2 citations62

DAINIPPON INK & CHEMICALS

2 patents

UBE INDUSTRIES

2 patents

MINNESOTA MINING & MFG

1 patent