Inventor
KOBAYASHI SEIJI
JP249 patents
⚠️ This page may combine multiple inventors who share the name “KOBAYASHI SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
38 patentsUS6665240B1Dec 16, 2003
Apparatus and method for manufacturing optical disks, apparatus and method for recording data on optical disks, apparatus and method for reproducing data from optical disks, and optical disk
SONY CORP64 citations97
US7020057B2Mar 28, 2006
Apparatus and associated methodology of imparting content protection to optically recorded data for secure reproduction
SONY CORP18 citations96
US6788635B1Sep 7, 2004
Optical recording medium, optical recording method, optical reproducing method, optical recording device, optical reproducing device, and optical recording/reproducing device
SONY CORP62 citations96
US6754158B1Jun 22, 2004
Optical and visual information recording medium, optical and visual information recording apparatus and method
SONY CORP70 citations96
US5809004ASep 15, 1998
Information recording medium with pits edges shifted in a step-wise fashion
SONY CORP38 citations96
US5703853ADec 30, 1997
Recording medium as well as recording apparatus and reproduction apparatus for the same
SONY CORP65 citations96
US5615193AMar 25, 1997
Information recording apparatus and process for recording on a recording medium with pit edges shifted in a step-wise fashion
SONY CORP44 citations96
US5587984ADec 24, 1996
Hologram printed on optical recording medium for copy protection
SONY CORP92 citations96
US5517481AMay 14, 1996
Optical recording and reproducing apparatus wherein data is recorded by stepwise shifting the edge position of each pit
SONY CORP68 citations96
US6078552AJun 20, 2000
Optical information recording device, optical playback device and optical information recording medium
SONY CORP72 citations95
US5754254AMay 19, 1998
Digital video audio processing apparatus
SONY CORP60 citations95
US8345108B2Jan 1, 2013
Image pickup apparatus and processing method for result of image pickup
SONY CORP19 citations93
US6987715B2Jan 17, 2006
Apparatus and associated methodology of imparting content protection to optically recorded data for secure reproduction
SONY CORP11 citations93
US6963529B1Nov 8, 2005
Information recording/reproducing apparatus, method, and medium, with recorded sub-data
SONY CORP13 citations93
US6842172B2Jan 11, 2005
Image processor and image processing method, and recorded medium
SONY CORP26 citations93
US6654327B2Nov 25, 2003
Optical disk apparatus, method of recording on optical disk, and optical disk
SONY CORP19 citations93
US6414913B1Jul 2, 2002
Apparatus and method for recording an optical disc identification code
SONY CORP25 citations93
US6331969B1Dec 18, 2001
For recording by modulating the width of pits in accordance with a predefined information stream
SONY CORP33 citations93
US6219322B1Apr 17, 2001
Optical information recording apparatus, optical information recording method, optical information recording medium and optical information reproducing apparatus
SONY CORP30 citations93
US6181659B1Jan 30, 2001
Optical information recording method for optical information recording apparatus
SONY CORP42 citations93
US5886788AMar 23, 1999
Apparatus and method for detecting a posture
SONY CORP32 citations93
US5533003AJul 2, 1996
Recording device capable of detecting the change in length and position of the pit edge
SONY CORP46 citations93
US5111445AMay 5, 1992
Holographic information storage system
SONY CORP56 citations93
US4796250AJan 3, 1989
Optical recording and reproducing apparatus including a disc extraction area for power setting a laser
SONY CORP35 citations93
US7248558B2Jul 24, 2007
Mastering device, disc manufacturing method, disc-shaped recording medium, disc reproduction device, and disc reproduction method
SONY CORP27 citations92
US6996271B2Feb 7, 2006
Apparatus and method for image processing and storage medium for the same
SONY CORP16 citations92
US6819643B2Nov 16, 2004
Optical disk apparatus, method of recording on optical disk, and optical disk
SONY CORP31 citations92
US6781595B2Aug 24, 2004
Image processing apparatus and method, and recording medium therefor
SONY CORP35 citations92
US6259666B1Jul 10, 2001
Optical information recording apparatus, optical information recording method and optical information recording medium
SONY CORP24 citations92
US5818805AOct 6, 1998
Reproducing apparatus using an information recording medium wherein multi-bit digital information is represented by a shift amount of a pit edge
SONY CORP37 citations92
US5729514AMar 17, 1998
Cross talk removing device utilizing signal from main track to subtract amplitude adjusted signals from adjacent tracks
SONY CORP39 citations92
US5724330AMar 3, 1998
Information recording medium wherein multi-bit digital information is represented by a shift amount of a pit edge, recording apparatus, reproducing apparatus, and recording and reproducing apparatus therefor
SONY CORP21 citations92
US5566158AOct 15, 1996
Information recording medium and a recording apparatus and a reproducing apparatus therefor
SONY CORP20 citations92
US5450381ASep 12, 1995
Magneto-optical recording utilizing signal phase adjustment
SONY CORP50 citations92
US6226243B1May 1, 2001
Optical disk, optical disk device, and optical disk recording method
SONY CORP19 citations91
US6088323AJul 11, 2000
Optical disk, optical disk device, and optical disk recording method
SONY CORP36 citations91
US5712837AJan 27, 1998
Method and apparatus for recording data
SONY CORP21 citations88
US5748586AMay 5, 1998
Data recording method and apparatus for minimizing the influence of inter symbol interface
SONY CORP21 citations86
IBM
6 patentsUS6490681B1Dec 3, 2002
Electronic watermarking system
IBM87 citations98
US6249870B1Jun 19, 2001
Data hiding method and data extraction method using statistical examination
IBM126 citations98
US8359596B2Jan 22, 2013
Determining capability of an information processing unit to execute the job request based on satisfying an index value and a content of processing of the job
IBM46 citations94
US6526385B1Feb 25, 2003
System for embedding additional information in audio data
IBM81 citations94
US7660991B2Feb 9, 2010
Embedding, processing and detection of digital content, information and data
IBM42 citations92
US7257674B2Aug 14, 2007
Raid overlapping
IBM33 citations90
OVAL CORP
3 patentsITO ATSUSHI
1 patentKOBAYASHI SEIJI
1 patentGANTS CO LTD
1 patentShowing the top 50 of 249 patents by PatentIndex Score.