Inventor
UMEZAWA MASAHIKO
JP33 patents
⚠️ This page may combine multiple inventors who share the name “UMEZAWA MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
27 patentsUS5896146AApr 20, 1999
Time division drive recording apparatus and method
CANON KK51 citations96
US6276776B1Aug 21, 2001
Ink-jet printer and temperature control method of recording head
CANON KK21 citations92
US6122699ASep 19, 2000
Data processing apparatus with bus intervention means for controlling interconnection of plural busses
CANON KK23 citations90
US11020959B2Jun 1, 2021
Printing apparatus and method of judging nozzle discharge state of printing apparatus
CANON KK6 citations84
US9278552B2Mar 8, 2016
Ink jet printing apparatus and control method thereof
CANON KK12 citations84
US7533962B2May 19, 2009
Ink jet printing apparatus and ink jet printing method
CANON KK12 citations84
US6969155B2Nov 29, 2005
Printing apparatus and print control method
CANON KK12 citations84
US6144460ANov 7, 2000
Data processing method, and data processor and printer using data processing method
CANON KK12 citations74
US6116711ASep 12, 2000
Printer and printing control method according to detected amount of memory
CANON KK7 citations74
US5873661AFeb 23, 1999
Recording apparatus capable of data-read control
CANON KK9 citations74
US11155078B2Oct 26, 2021
Printing apparatus and inspection method therefor
CANON KK2 citations72
US10293620B2May 21, 2019
Inkjet printing apparatus and inkjet printing method
CANON KK6 citations72
US7980672B2Jul 19, 2011
Inkjet printing apparatus and printing method
CANON KK6 citations63
US7862145B2Jan 4, 2011
Printing apparatus and method of controlling the same
CANON KK2 citations63
US7591532B2Sep 22, 2009
Inkjet printing apparatus and inkjet printing method
CANON KK3 citations63
US7401882B2Jul 22, 2008
Printing apparatus and method of controlling printing therein
CANON KK3 citations63
US6661532B2Dec 9, 2003
Printing apparatus
CANON KK3 citations63
US6226100B1May 1, 2001
Printing apparatus and printing control method
CANON KK5 citations63
US6062673AMay 16, 2000
Recording apparatus and record data processing method
CANON KK6 citations63
US11845268B2Dec 19, 2023
Printing apparatus and method of judging nozzle discharge state of printing apparatus
CANON KK0 citations62
US12043027B2Jul 23, 2024
Printing apparatus and inspection method therefor
CANON KK0 citations61
US6328401B1Dec 11, 2001
Printer and printing control method
CANON KK1 citations52
US10286650B2May 14, 2019
Image processing apparatus and image processing method
CANON KK0 citations41
US10576737B2Mar 3, 2020
Recording apparatus and recording method
CANON KK0 citations40
US10507646B2Dec 17, 2019
Recording apparatus and recording method
CANON KK0 citations40
US10500840B2Dec 10, 2019
Printing apparatus and control method that control movement of a transfer member
CANON KK0 citations40
US10596812B2Mar 24, 2020
Printing apparatus and control method thereof
CANON KK0 citations39