Inventor
YUI YASUJI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “YUI YASUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
17 patentsUS7183894B2Feb 27, 2007
Communication system for accessing shared entrance of multiple dwelling house
SONY CORP60 citations97
US5385416AJan 31, 1995
Device for identifying an ink ribbon cartridge used in a printer
SONY CORP74 citations95
US6972680B2Dec 6, 2005
Electronic device controlling apparatus and electronic device controlling method
SONY CORP28 citations92
US6039431AMar 21, 2000
Printer head cleaning device for ink jet printer
SONY CORP23 citations92
US7212114B2May 1, 2007
Communication apparatus
SONY CORP11 citations84
US7580889B2Aug 25, 2009
Electronic apparatus, charging system and method, charge processing device, storage medium, and prepaid card
SONY CORP6 citations74
US5544965AAug 13, 1996
Printer
SONY CORP9 citations73
US5447382ASep 5, 1995
Apparatus and method for printing
SONY CORP18 citations73
US4945382AJul 31, 1990
A printer for printing a certain image on a sheet of developing paper
SONY CORP10 citations72
US5290114AMar 1, 1994
Ink ribbon unit and ink ribbon cassette
SONY CORP17 citations67
US4987047AJan 22, 1991
Imaging sheet roll containing photosensitive microcapsules
SONY CORP2 citations63
US7904390B2Mar 8, 2011
Management system and management method for charging object apparatus, management apparatus and charging object apparatus
SONY CORP4 citations62
US7613922B2Nov 3, 2009
Electronic device controlling apparatus, electronic device controlling system, and electronic device controlling method
SONY CORP3 citations62
US5531527AJul 2, 1996
Apparatus and method for video printing
SONY CORP6 citations62
US4885601ADec 5, 1989
Apparatus for developing imaging sheets employing photosensitive microcapsules
SONY CORP4 citations62
US4914463AApr 3, 1990
Development of imaging sheets employing photosensitive microcapsules
SONY CORP6 citations61
US7482922B2Jan 27, 2009
Electronic device controlling apparatus and electronic device controlling method
SONY CORP0 citations52