Inventor
MORIMOTO NORISHIGE
JP24 patents
⚠️ This page may combine multiple inventors who share the name “MORIMOTO NORISHIGE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
19 patentsUS6005936ADec 21, 1999
System for embedding authentication information into an image and an image alteration detecting system
IBM238 citations99
US6512835B1Jan 28, 2003
Data hiding and extraction methods
IBM80 citations98
US6249870B1Jun 19, 2001
Data hiding method and data extraction method using statistical examination
IBM126 citations98
US6230268B1May 8, 2001
Data control system
IBM150 citations98
US6005643ADec 21, 1999
Data hiding and extraction methods
IBM119 citations98
US6351439B1Feb 26, 2002
Method and system for managing access to data through data transformation
IBM98 citations97
US6055321AApr 25, 2000
System and method for hiding and extracting message data in multimedia data
IBM66 citations96
US6034931AMar 7, 2000
Method of recording media data on a storage medium and method and system for accessing the media data recorded on the storage medium
IBM44 citations95
US6526385B1Feb 25, 2003
System for embedding additional information in audio data
IBM81 citations94
US6782509B1Aug 24, 2004
Method and system for embedding information in document
IBM46 citations92
US6286100B1Sep 4, 2001
Method for hiding message data into media data and a method for extracting that hidden data
IBM29 citations91
US6829367B1Dec 7, 2004
Content data judging apparatus
IBM33 citations89
US8055505B2Nov 8, 2011
Audio content digital watermark detection
IBM8 citations84
US7748051B2Jun 29, 2010
Contents server, contents receiving apparatus and network system for adding information to digital contents
IBM9 citations84
US7093299B1Aug 15, 2006
System for authenticating digital data
IBM17 citations82
US7295615B1Nov 13, 2007
System for embedding additional information in video data, and embedding method
IBM7 citations74
US5132891AJul 21, 1992
Power supply apparatus
IBM15 citations74
US6963655B1Nov 8, 2005
Alteration detection apparatus and method thereof
IBM6 citations61
US7469422B2Dec 23, 2008
Contents server, contents receiving method for adding information to digital contents
IBM1 citations52
MASSACHUSETTS INST TECHNOLOGY
4 patentsUS6201879B1Mar 13, 2001
Method and apparatus for logo hiding in images
MASSACHUSETTS INST TECHNOLOGY147 citations98
US5893067AApr 6, 1999
Method and apparatus for echo data hiding in audio signals
MASSACHUSETTS INST TECHNOLOGY299 citations98
US5689587ANov 18, 1997
Method and apparatus for data hiding in images
MASSACHUSETTS INST TECHNOLOGY283 citations98
US5870499AFeb 9, 1999
Method and apparatus for data hiding in images
MASSACHUSETTS INST TECHNOLOGY31 citations92