Inventor
INABA MITSUAKI
JP5 patents
Patents
5 patentsUS6212517B1Apr 3, 2001
Keyword extracting system and text retrieval system using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD162 citations97
US6154737ANov 28, 2000
Document retrieval system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD218 citations97
US6298344B1Oct 2, 2001
Document searching apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD80 citations95
US5706496AJan 6, 1998
Full-text search apparatus utilizing two-stage index file to achieve high speed and reliability of searching a text which is a continuous sequence of characters
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD71 citations94
US5870507AFeb 9, 1999
Rigidity checking method and apparatus with the result freed from the influence of picture resolutions
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations61