Inventor
JINNAI KOICHIRO
30 patents
⚠️ This page may combine multiple inventors who share the name “JINNAI KOICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
29 patentsUS5208612AMay 4, 1993
Image recording apparatus constituting of selectable units
RICOH KK95 citations96
US4293865AOct 6, 1981
Ink-jet recording apparatus
RICOH KK102 citations96
US4228440AOct 14, 1980
Ink jet printing apparatus
RICOH KK59 citations96
US4178595ADec 11, 1979
Ink jet printing apparatus with ink replenishing
RICOH KK75 citations96
US4595948AJun 17, 1986
Multicolor ink jet recording apparatus having means for preventing blurring of ink
RICOH KK84 citations95
US4231047AOct 28, 1980
Ink-jet printing method and device therefor
RICOH KK36 citations93
US4642653AFeb 10, 1987
Multi-tone recording method for ink jet printer
RICOH KK32 citations92
US4626874ADec 2, 1986
Liquid level detector for ink jet printer
RICOH KK44 citations92
US4604631AAug 5, 1986
Control system and method for charge control ink jet printer
RICOH KK47 citations92
US4598299AJul 1, 1986
Deflection control ink jet printing apparatus
RICOH KK32 citations92
US4527170AJul 2, 1985
Ink jet waste and replenish ink system
RICOH KK30 citations92
US4542385ASep 17, 1985
Ink jet printing apparatus
RICOH KK21 citations82
US4491852AJan 1, 1985
Ink jet printing apparatus using guard drops
RICOH KK20 citations82
US4364060ADec 14, 1982
Nozzle position deviation compensation arrangement for ink jet printing device
RICOH KK26 citations82
US4562442ADec 31, 1985
Ink-jet printing apparatus
RICOH KK15 citations74
US4393385AJul 12, 1983
Controllable ink drop velocity type ink-jet printer
RICOH KK9 citations74
US4365255ADec 21, 1982
Ink jet printer
RICOH KK10 citations74
US4313123AJan 26, 1982
Controllable ink drop velocity type ink-jet printer
RICOH KK13 citations74
US4290073ASep 15, 1981
Ink-jet recording apparatus
RICOH KK7 citations74
US4288797ASep 8, 1981
Variable-charge type ink-jet printer
RICOH KK14 citations74
US4217595AAug 12, 1980
Charging phase control device for ink jet recording device
RICOH KK19 citations74
US4437101AMar 13, 1984
Ink jet printing apparatus
RICOH KK14 citations73
US4369964AJan 25, 1983
Sheet feed apparatus for printer or the like
RICOH KK12 citations73
US4521789AJun 4, 1985
Ink viscosity regulation for ink jet printer
RICOH KK5 citations63
US4499475AFeb 12, 1985
Ink jet printing apparatus
RICOH KK3 citations63
US4438440AMar 20, 1984
Print-distortion compensating device for the ink jet printing apparatus
RICOH KK6 citations63
US4371878AFeb 1, 1983
Device for correcting ink dot misplacement in ink-jet printing
RICOH KK6 citations63
US4358775ANov 9, 1982
Ink jet printing apparatus
RICOH KK3 citations63
US4328505AMay 4, 1982
Ink jet printing apparatus
RICOH KK4 citations63