Inventor
AIZAWA TAKAYUKI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “AIZAWA TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
14 patentsUS5289451AFeb 22, 1994
Optical information recording/reproduction apparatus including means for detecting the type of recording medium
CANON KK122 citations97
US5694330ADec 2, 1997
Error correction method including erasure correction, and apparatus therefor
CANON KK25 citations92
US5646993AJul 8, 1997
Information reproducing method and apparatus having protect function and recording medium used in apparatus
CANON KK49 citations92
US4849956AJul 18, 1989
Information recording and reproducing apparatus
CANON KK20 citations82
US7583038B2Sep 1, 2009
Motor-driving circuit and recording apparatus including the same
CANON KK6 citations74
US7271554B2Sep 18, 2007
Motor-driving circuit and recording apparatus including the same
CANON KK7 citations74
US5497362AMar 5, 1996
Drive interface for performing write/read of information
CANON KK18 citations74
US5315600AMay 24, 1994
Error correction system including a plurality of processor elements which are capable of performing several kinds of processing for error correction in parallel
CANON KK17 citations74
US5293361AMar 8, 1994
Information processing method and apparatus therefor in which an erasing device is driven for a period longer than a necessary period
CANON KK10 citations74
US7382475B2Jun 3, 2008
Printer, information processing apparatus, and control method of interface
CANON KK3 citations63
US5093817AMar 3, 1992
Method and apparatus for recording information on an opto-magnetic recording medium by applying a modulated light beam while applying a magnetic field alternating with a constant period
CANON KK3 citations62
US8740362B2Jun 3, 2014
Ink tank
CANON KK0 citations52
US10071558B2Sep 11, 2018
System, control method therefor, printing apparatus, and control method therefor
CANON KK0 citations42
US7116432B2Oct 3, 2006
Power control for a printing unit with a maintenance function
CANON KK0 citations42
SEIKO EPSON CORP
4 patentsUS6899417B1May 31, 2005
Ink cartridge for use in an ink jet recording apparatus
SEIKO EPSON CORP41 citations92
USD440600SApr 17, 2001
Ink cartridge for printer
SEIKO EPSON CORP30 citations92
USD442221SMay 15, 2001
Ink cartridge for printer
SEIKO EPSON CORP13 citations74
US7090344B2Aug 15, 2006
Ink cartridge for use in an ink jet recording apparatus
SEIKO EPSON CORP8 citations73
HITACHI LTD
3 patentsUS5237496AAug 17, 1993
Inventory control method and system
HITACHI LTD196 citations99
US5128861AJul 7, 1992
Inventory control method and system
HITACHI LTD300 citations99
US5179643AJan 12, 1993
Method of multi-dimensional analysis and display for a large volume of record information items and a system therefor
HITACHI LTD84 citations94