Inventor
NAGAO KATASHI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “NAGAO KATASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
8 patentsUS7191131B1Mar 13, 2007
Electronic document processing apparatus
SONY CORP191 citations98
US7610546B1Oct 27, 2009
Document processing apparatus having capability of controlling video data
SONY CORP37 citations92
US7200808B1Apr 3, 2007
Electronic document processor
SONY CORP24 citations92
US7047486B1May 16, 2006
Method and device for processing documents and recording medium
SONY CORP21 citations92
US6985864B2Jan 10, 2006
Electronic document processing apparatus and method for forming summary text and speech read-out
SONY CORP21 citations92
US6981218B1Dec 27, 2005
Document processing apparatus having an authoring capability for describing a document structure
SONY CORP31 citations92
US7076732B2Jul 11, 2006
Document processing apparatus having an authoring capability for describing a document structure
SONY CORP11 citations83
US7930309B2Apr 19, 2011
Document processing method and document processing apparatus, and recording medium
SONY CORP6 citations73
IBM
4 patentsUS5424947AJun 13, 1995
Natural language analyzing apparatus and method, and construction of a knowledge base for natural language analysis
IBM475 citations98
US7227971B2Jun 5, 2007
Digital content reproduction, data acquisition, metadata management, and digital watermark embedding
IBM25 citations92
US7454698B2Nov 18, 2008
Digital document browsing system and method thereof
IBM28 citations90
US7536027B2May 19, 2009
Digital content reproduction, data acquisition, metadata management, and digital watermark embedding
IBM8 citations83