Inventor
IWAYAMA MAKOTO
JP21 patents
⚠️ This page may combine multiple inventors who share the name “IWAYAMA MAKOTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
18 patentsUS6446065B1Sep 3, 2002
Document retrieval assisting method and system for the same and document retrieval service using the same
HITACHI LTD155 citations98
US6457004B1Sep 24, 2002
Document retrieval assisting method, system and service using closely displayed areas for titles and topics
HITACHI LTD84 citations97
US6745183B2Jun 1, 2004
Document retrieval assisting method and system for the same and document retrieval service using the same
HITACHI LTD24 citations92
US6654738B2Nov 25, 2003
Computer program embodied on a computer-readable medium for a document retrieval service that retrieves documents with a retrieval service agent computer
HITACHI LTD27 citations92
US6584460B1Jun 24, 2003
Method of searching documents and a service for searching documents
HITACHI LTD28 citations92
US7047255B2May 16, 2006
Document information display system and method, and document search method
HITACHI LTD35 citations91
US7966307B2Jun 21, 2011
Document search method and document search apparatus that use a combination of index-type search and scan-type search
HITACHI LTD11 citations83
US7277881B2Oct 2, 2007
Document retrieval system and search server
HITACHI LTD14 citations83
US9836449B2Dec 5, 2017
Information analysis system
HITACHI LTD8 citations82
US11341327B2May 24, 2022
Score generation for relationships between extracted text and synonyms
HITACHI LTD2 citations69
US7984044B2Jul 19, 2011
System or program for searching documents
HITACHI LTD5 citations62
US7065518B2Jun 20, 2006
Search system
HITACHI LTD4 citations61
US7693910B2Apr 6, 2010
Method of searching documents and a service for searching documents
HITACHI LTD0 citations52
US11366954B2Jun 21, 2022
Text preparation apparatus
HITACHI LTD0 citations50
US11507755B2Nov 22, 2022
Information processing method and information processing apparatus
HITACHI LTD0 citations48
US11222180B2Jan 11, 2022
Dialogue method, dialogue system, and program
HITACHI LTD0 citations48
US7783634B2Aug 24, 2010
Device, a program and a system for managing electronic documents
HITACHI LTD0 citations41
US9619455B2Apr 11, 2017
Table format multi-dimensional data translation method and device
HITACHI LTD0 citations37