Inventor · disambiguated record
Haruhiko Koto
Also filed as: KOTO HARUHIKO
36 granted patents·1,490 citations·filing 1980–2004
98Inventor score
Technology areasB41J
Top patents by PatentIndex Score
36 records- 0199US4436439ASmall printerEPSON CORP·Filed 1981·Granted Mar 13, 1984·250 cites·66 claims
- 0297US4368478AInk supply system for ink jet printersEPSON CORP·Filed 1981·Granted Jan 11, 1983·143 cites·45 claims
- 0395US5113204AInk jet headSEIKO EPSON CORP·Filed 1990·Granted May 12, 1992·134 cites·7 claims
- 0495US4589000AInk jet printer of the ink-on-demand typeEPSON CORP·Filed 1985·Granted May 13, 1986·71 cites·1 claims
- 0595US4450454ASmall size ink jet printerEPSON CORP·Filed 1981·Granted May 22, 1984·75 cites·14 claims
- 0693US4525728AInk jet recording headEPSON CORP·Filed 1983·Granted Jun 25, 1985·59 cites·8 claims
- 0792US6511172B2Printing apparatusCANON KK·Filed 2001·Granted Jan 28, 2003·39 cites·39 claims
- 0892US5446485ADrop-on-demand ink-jet printing headSEIKO EPSON CORP·Filed 1992·Granted Aug 29, 1995·59 cites·24 claims
- 0992US4364067AHighly integrated ink jet headSUWA SEIKOSHA KK·Filed 1980·Granted Dec 14, 1982·61 cites·10 claims
- 1091US5444471ADrop-on-demand ink-jet printing headSEIKO EPSON CORP·Filed 1993·Granted Aug 22, 1995·58 cites·13 claims
- 1190US4620202AInk jet printer of the ink-on-demand typeSEIKO EPSON CORP·Filed 1985·Granted Oct 28, 1986·40 cites·7 claims
- 1289US4462035ANon-impact recording deviceEPSON CORP·Filed 1982·Granted Jul 24, 1984·43 cites·21 claims
- 1389US4434430AInk jet printer headEPSON CORP·Filed 1982·Granted Feb 28, 1984·36 cites·26 claims
- 1488US4520374AInk jet printing apparatusEPSON CORP·Filed 1982·Granted May 28, 1985·40 cites·31 claims
- 1585US6309064B1Printing apparatusCANON KK·Filed 1998·Granted Oct 30, 2001·43 cites·66 claims
- 1685US4768045AInk droplet detecting apparatusSEIKO EPSON CORP·Filed 1986·Granted Aug 30, 1988·37 cites·23 claims
- 1784US6550882B2Ink jet printing apparatusCANON KK·Filed 2001·Granted Apr 22, 2003·22 cites·11 claims
- 1882US7909454B2Inkjet printing pressHARUHIKO KOTO·Filed 2004·Granted Mar 22, 2011·33 cites·23 claims
- 1982US5105209AHot melt ink jet printing apparatusSEIKO EPSON CORP·Filed 1991·Granted Apr 14, 1992·39 cites·16 claims
- 2078US4998120AHot melt ink jet printing apparatusSEIKO EPSON CORP·Filed 1988·Granted Mar 5, 1991·22 cites·16 claims
- 2176US4806955AInk jet printer of the ink-on-demand typeEPSON CORP·Filed 1988·Granted Feb 21, 1989·16 cites·7 claims
- 2275US6945628B2Ink jet printing apparatusCANON KK·Filed 2002·Granted Sep 20, 2005·13 cites·22 claims
- 2374US7455401B2Line-dot recorderHAMADA PRINTING PRESS·Filed 2004·Granted Nov 25, 2008·17 cites·24 claims
- 2473US5600357ADrop-on-demand ink-jet printing headSEIKO EPSON CORP·Filed 1995·Granted Feb 4, 1997·21 cites·6 claims
- 2570US4546362ALow voltage ink-jet printheadEPSON CORP·Filed 1982·Granted Oct 8, 1985·16 cites·15 claims
- 2668US4364066AInk jet printing headEPSON CORP·Filed 1980·Granted Dec 14, 1982·13 cites·16 claims
- 2767US6186619B1Drop-on-demand ink-jet printing headSEIKO EPSON CORP·Filed 1999·Granted Feb 13, 2001·19 cites·10 claims
- 2866US4443807AInk jet print headEPSON CORP·Filed 1981·Granted Apr 17, 1984·13 cites·15 claims
- 2965US6554416B2Image forming apparatusCANON KK·Filed 2001·Granted Apr 29, 2003·10 cites·15 claims
- 3064US4617581AInk jet printer of the ink-on-demand typeEPSON CORP·Filed 1985·Granted Oct 14, 1986·9 cites·6 claims
- 3162US5894317ADrop-on-demand ink-jet printing headSEIKO EPSON CORP·Filed 1997·Granted Apr 13, 1999·13 cites·8 claims
- 3259US6629757B1Recording head, substrate therefor, and recording apparatusCANON KK·Filed 2000·Granted Oct 7, 2003·7 cites·29 claims
- 3355US6742875B2Drop-on-demand ink-jet printing headSEIKO EPSON CORP·Filed 2001·Granted Jun 1, 2004·4 cites·12 claims
- 3453US5910809ADrop-on-demand ink-jet printing headSEIKO EPSON CORP·Filed 1995·Granted Jun 8, 1999·9 cites·23 claims
- 3546US4502058ALow voltage ink-jet printheadSHINSHU SEIKI KK·Filed 1982·Granted Feb 26, 1985·6 cites·13 claims
- 3639US6942322B2Drop-on-demand ink-jet printing headSEIKO EPSON CORP·Filed 2004·Granted Sep 13, 2005·0 cites·51 claims
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