P

Inventor

ANDO RYO

JP76 patents
⚠️ This page may combine multiple inventors who share the name “ANDO RYO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

30 patents
US5224087AJun 29, 1993

Apparatus for recording compressed digital information to an optical disc

SONY CORP177 citations99
US5363362ANov 8, 1994

Apparatus for reproducing recorded data comprising interleaved clusters and cluster linking sectors

SONY CORP125 citations98
US5243588ASep 7, 1993

Method and apparatus for reading digital data bursts comprising data clusters and cluster linking sectors

SONY CORP117 citations98
US6205104B1Mar 20, 2001

Recording/reproducing apparatus for compressed data

SONY CORP73 citations96
US5537387AJul 16, 1996

Information storage disk with display data recorded in a lead-in region and an apparatus for recording and/reproducing the disc

SONY CORP66 citations96
US5521900AMay 28, 1996

Disk having a lead-in region containing display data and an apparatus for recording and/or reproducing the disc

SONY CORP68 citations96
US5408478AApr 18, 1995

Apparatus for reproducing a recording with reduced error correction anomalies at linking portions

SONY CORP75 citations96
US5367510ANov 22, 1994

Disk recording/reproducing apparatus having the capability of recording an operator designated program sequence

SONY CORP83 citations96
US5003521AMar 26, 1991

Optical disk discriminating device

SONY CORP73 citations96
US6088315AJul 11, 2000

Disc recording and/or reproducing apparatus and its motor drive control circuit

SONY CORP45 citations93
US5994932ANov 30, 1999

Phase locked loop circuit and reproducing apparatus provided with thereof

SONY CORP33 citations93
US5805546ASep 8, 1998

Recording or reproducing apparatus having a spindle servo control linked to laser power control

SONY CORP29 citations93
US5745451AApr 28, 1998

Disc recording and/or reproducing apparatus

SONY CORP45 citations93
US5559769ASep 24, 1996

Recording/reproducing apparatus for both read-only and magneto-optical disc-shaped recording medium

SONY CORP22 citations93
US5479387ADec 26, 1995

Optical head including multiple photo detectors for reading signals and error signals for servoing from both a read-only recording medium and a magneto-optical recording medium

SONY CORP23 citations93
US5453607ASep 26, 1995

Photodetector for recording/reproducing apparatus for both read only and magneto-optical disk shaped recording medium

SONY CORP26 citations93
US5124963AJun 23, 1992

Method and apparatus for selectively changing archival information on an optical disk

SONY CORP56 citations93
US5058096AOct 15, 1991

Disk recording/reproducing apparatus and disk recording/reproducing method

SONY CORP47 citations93
US5012461AApr 30, 1991

Disk recording apparatus for re-establishing a recording mode at a desired address

SONY CORP27 citations93
US4932016AJun 5, 1990

Apparatus and method of recording and reproducing data using a disk

SONY CORP26 citations93
US4862439AAug 29, 1989

Recording device that identifies recordable areas of a disk record

SONY CORP46 citations93
US5963521AOct 5, 1999

Recording and/or reproducing method and apparatus with dubbing mode

SONY CORP20 citations92
US5818804AOct 6, 1998

Defect detecting circuit and reproducing apparatus having the defect detecting circuit

SONY CORP19 citations92
US5109369AApr 28, 1992

Optical disk drive

SONY CORP37 citations92
US5706264AJan 6, 1998

Disc apparatus having servo circuits which compensate for fluctuations in power supply

SONY CORP9 citations74
US5703851ADec 30, 1997

Clock reproducing device utilizing a frequency of wobble groove information

SONY CORP11 citations74
US5691967ANov 25, 1997

Recording or reproducing apparatus having a spindle servo control runaway prevent feature

SONY CORP7 citations74
US5432766AJul 11, 1995

Circuit for varying a loop gain of a spindle servo

SONY CORP19 citations74
US5034933AJul 23, 1991

Magneto-optical recording apparatus

SONY CORP13 citations74
US4858217AAug 15, 1989

Optical disk recording and reproducing device

SONY CORP11 citations74

FUJI XEROX CO LTD

14 patents
US5995802ANov 30, 1999

Image forming apparatus

FUJI XEROX CO LTD121 citations98
US5881346AMar 9, 1999

Image forming apparatus having rotational phase controller

FUJI XEROX CO LTD59 citations96
US7083274B2Aug 1, 2006

Inkjet recording apparatus

FUJI XEROX CO LTD40 citations93
US6163327ADec 19, 2000

Image forming apparatus for controlling the period of rotational driving of each toner image carrier

FUJI XEROX CO LTD20 citations93
US5825984AOct 20, 1998

Image formation system

FUJI XEROX CO LTD20 citations93
US5600404AFeb 4, 1997

Correction of misregistration in an image forming apparatus depending on multiple regions of a transfer belt

FUJI XEROX CO LTD33 citations93
US5587771ADec 24, 1996

Image sampling and color shift correction system in multiple image forming apparatus

FUJI XEROX CO LTD35 citations93
US5510885AApr 23, 1996

Color image forming apparatus

FUJI XEROX CO LTD28 citations93
US6324377B2Nov 27, 2001

Image forming apparatus, paper bundling apparatus, and paper bundling method using image forming apparatus

FUJI XEROX CO LTD36 citations92
US6301451B1Oct 9, 2001

Image forming apparatus with paper transport system timing control

FUJI XEROX CO LTD20 citations92
US5373355ADec 13, 1994

Imperfect register correcting method to be carried out on a multicolor image forming apparatus

FUJI XEROX CO LTD26 citations92
US7216948B2May 15, 2007

Image forming apparatus

FUJI XEROX CO LTD16 citations84
US7663654B2Feb 16, 2010

Image formation device and method for correcting periodic variations

FUJI XEROX CO LTD14 citations83
US6973272B2Dec 6, 2005

Image forming apparatus and method

FUJI XEROX CO LTD15 citations83

NIPPON KOKAN KK

4 patents

HITACHI LTD

1 patent

YAZAKI KAKO CORP

1 patent

Showing the top 50 of 76 patents by PatentIndex Score.