Inventor
MASUDA RYUICHI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “MASUDA RYUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
10 patentsUS5321470AJun 14, 1994
Apparatus with anti-forgery provision
CANON KK140 citations98
US5583614ADec 10, 1996
Image processing apparatus and method for determining whether an original contains a specified image
CANON KK58 citations95
US5434649AJul 18, 1995
Device and method for controlling a color image processing apparatus in which a predetermined pattern can be identified in an original
CANON KK38 citations95
US6594650B2Jul 15, 2003
File management system and its method and storage medium
CANON KK21 citations92
US6185404B1Feb 6, 2001
Image processing apparatus and method for generating a control signal based on a discrimination of whether an input image includes a specific image
CANON KK17 citations92
US5881214AMar 9, 1999
Image searching apparatus
CANON KK30 citations92
US5765089AJun 9, 1998
Image processing apparatus and method for generating a control signal based on a discrimination of whether an input image includes a specific image
CANON KK23 citations92
US7694218B2Apr 6, 2010
Information processing apparatus, method therefor, and computer-readable memory
CANON KK8 citations83
US6862603B1Mar 1, 2005
File management system, file management method, and storage medium
CANON KK13 citations83
US5280545AJan 18, 1994
Image information processing apparatus capable of synthesizing front- and back-surface information
CANON KK19 citations73