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 patentsUS5224087AJun 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 patentsUS5995802ANov 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 patentsUS4054409AOct 18, 1977
Swirling burners for use in hot blast stoves
NIPPON KOKAN KK46 citations92
US4124404ANov 7, 1978
Steel slag cement and method for manufacturing same
NIPPON KOKAN KK43 citations90
US4297119AOct 27, 1981
Apparatus for vitrifying blast furnace slag
NIPPON KOKAN KK24 citations82
US4260414AApr 7, 1981
Process for recovering and utilizing useful substances from molten metal produced during reduction treatment of steel slag
NIPPON KOKAN KK28 citations79
HITACHI LTD
1 patentYAZAKI KAKO CORP
1 patentShowing the top 50 of 76 patents by PatentIndex Score.