Inventor
KOTO HARUHIKO
JP36 patents
⚠️ This page may combine multiple inventors who share the name “KOTO HARUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EPSON CORP
13 patentsUS4436439AMar 13, 1984
Small printer
EPSON CORP250 citations99
US4589000AMay 13, 1986
Ink jet printer of the ink-on-demand type
EPSON CORP71 citations96
US4525728AJun 25, 1985
Ink jet recording head
EPSON CORP59 citations96
US4450454AMay 22, 1984
Small size ink jet printer
EPSON CORP75 citations96
US4368478AJan 11, 1983
Ink supply system for ink jet printers
EPSON CORP143 citations96
US4520374AMay 28, 1985
Ink jet printing apparatus
EPSON CORP40 citations92
US4462035AJul 24, 1984
Non-impact recording device
EPSON CORP43 citations92
US4434430AFeb 28, 1984
Ink jet printer head
EPSON CORP36 citations92
US4806955AFeb 21, 1989
Ink jet printer of the ink-on-demand type
EPSON CORP16 citations82
US4617581AOct 14, 1986
Ink jet printer of the ink-on-demand type
EPSON CORP9 citations74
US4546362AOct 8, 1985
Low voltage ink-jet printhead
EPSON CORP16 citations74
US4443807AApr 17, 1984
Ink jet print head
EPSON CORP13 citations74
US4364066ADec 14, 1982
Ink jet printing head
EPSON CORP13 citations74
SEIKO EPSON CORP
13 patentsUS5113204AMay 12, 1992
Ink jet head
SEIKO EPSON CORP134 citations97
US5446485AAug 29, 1995
Drop-on-demand ink-jet printing head
SEIKO EPSON CORP59 citations96
US5444471AAug 22, 1995
Drop-on-demand ink-jet printing head
SEIKO EPSON CORP58 citations96
US4620202AOct 28, 1986
Ink jet printer of the ink-on-demand type
SEIKO EPSON CORP40 citations96
US6186619B1Feb 13, 2001
Drop-on-demand ink-jet printing head
SEIKO EPSON CORP19 citations92
US5600357AFeb 4, 1997
Drop-on-demand ink-jet printing head
SEIKO EPSON CORP21 citations92
US5105209AApr 14, 1992
Hot melt ink jet printing apparatus
SEIKO EPSON CORP39 citations92
US4998120AMar 5, 1991
Hot melt ink jet printing apparatus
SEIKO EPSON CORP22 citations92
US4768045AAug 30, 1988
Ink droplet detecting apparatus
SEIKO EPSON CORP37 citations92
US5894317AApr 13, 1999
Drop-on-demand ink-jet printing head
SEIKO EPSON CORP13 citations82
US5910809AJun 8, 1999
Drop-on-demand ink-jet printing head
SEIKO EPSON CORP9 citations73
US6742875B2Jun 1, 2004
Drop-on-demand ink-jet printing head
SEIKO EPSON CORP4 citations62
US6942322B2Sep 13, 2005
Drop-on-demand ink-jet printing head
SEIKO EPSON CORP0 citations52
CANON KK
6 patentsUS6309064B1Oct 30, 2001
Printing apparatus
CANON KK43 citations96
US6550882B2Apr 22, 2003
Ink jet printing apparatus
CANON KK22 citations93
US6511172B2Jan 28, 2003
Printing apparatus
CANON KK39 citations92
US6945628B2Sep 20, 2005
Ink jet printing apparatus
CANON KK13 citations84
US6629757B1Oct 7, 2003
Recording head, substrate therefor, and recording apparatus
CANON KK7 citations74
US6554416B2Apr 29, 2003
Image forming apparatus
CANON KK10 citations74