Inventor · disambiguated record
Koji Terasawa
Also filed as: TERASAWA KOJI
70 granted patents·3,432 citations·filing 1979–2000
99Inventor score
Top patents by PatentIndex Score
70 records- 0198US4965596AInk jet recording apparatus with waste ink distribution paths to plural cartridgesCANON KK·Filed 1989·Granted Oct 23, 1990·153 cites·15 claims
- 0298US4712172AMethod for preventing non-discharge in a liquid jet recorder and a liquid jet recorderCANON KK·Filed 1985·Granted Dec 8, 1987·178 cites·18 claims
- 0398US4447820AInk supplying mechanismCANON KK·Filed 1982·Granted May 8, 1984·180 cites·7 claims
- 0497US5477246AInk jet recording apparatus and methodCANON KK·Filed 1992·Granted Dec 19, 1995·114 cites·22 claims
- 0597US4636814APrinting apparatusCANON KK·Filed 1986·Granted Jan 13, 1987·137 cites·8 claims
- 0697US4429320AInk jet recording apparatusCANON KK·Filed 1980·Granted Jan 31, 1984·175 cites·7 claims
- 0797US4419678AInk jet recording apparatusCANON KK·Filed 1980·Granted Dec 6, 1983·166 cites·3 claims
- 0896US4967204AMethod for ensuring stable operation of an ink jet recording apparatusCANON KK·Filed 1989·Granted Oct 30, 1990·91 cites·30 claims
- 0995US4419677AInk jet recording apparatusCANON KK·Filed 1982·Granted Dec 6, 1983·112 cites·3 claims
- 1095US4415886AResidual ink detection mechanismCANON KK·Filed 1981·Granted Nov 15, 1983·87 cites·5 claims
- 1194US6767075B1Image forming deviceCANON FINETECH INC·Filed 2000·Granted Jul 27, 2004·74 cites·10 claims
- 1294US5315317AInk quantity detecting device and recording apparatus with the devieCANON KK·Filed 1993·Granted May 24, 1994·100 cites·28 claims
- 1394US4600931AInk jet recording apparatusCANON KK·Filed 1984·Granted Jul 15, 1986·58 cites·3 claims
- 1494US4410900AInk jet recording apparatusCANON KK·Filed 1982·Granted Oct 18, 1983·58 cites·12 claims
- 1593US4951066AInk jet recording apparatus having a discharge orifice surface and a blade and rubbing member for cleaning the surface independently of each otherCANON KK·Filed 1988·Granted Aug 21, 1990·75 cites·32 claims
- 1693US4819012AInk-jet printer with cap meansCANON KK·Filed 1984·Granted Apr 4, 1989·56 cites·24 claims
- 1793US4628333AInk jet recording head and ink jet recorderCANON KK·Filed 1984·Granted Dec 9, 1986·59 cites·11 claims
- 1893US4543589ACapping device for ink jet nozzleCANON KK·Filed 1982·Granted Sep 24, 1985·59 cites·4 claims
- 1993US4506277ANozzle-restoring suction device for ink jet printerCANON KK·Filed 1983·Granted Mar 19, 1985·58 cites·6 claims
- 2092US5231416AContainer for ink jet head and recovering method of ink jet head using containerCANON KK·Filed 1991·Granted Jul 27, 1993·81 cites·103 claims
- 2192US4893138AInk jet recovery device including a communicating valve and a ventilating valveCANON KK·Filed 1988·Granted Jan 9, 1990·66 cites·49 claims
- 2289US5475404AInk jet recording apparatus with controlled recovery operationCANON KK·Filed 1994·Granted Dec 12, 1995·59 cites·9 claims
- 2389US4631554AInk jet printing apparatus with suction recovery unitCANON KK·Filed 1983·Granted Dec 23, 1986·36 cites·4 claims
- 2489US4510510AInkjet printerCANON KK·Filed 1983·Granted Apr 9, 1985·42 cites·9 claims
- 2588US5138343AInk jet recording apparatus with recovery meansCANON KK·Filed 1991·Granted Aug 11, 1992·66 cites·25 claims
- 2688US4785314AInternally pressure-regulated ink supplyCANON KK·Filed 1987·Granted Nov 15, 1988·38 cites·19 claims
- 2787US4970534AInk jet recovery device having a spring-loaded cap and a mechanism for pressing the cap against a recording head and apparatus incorporating the deviceCANON KK·Filed 1989·Granted Nov 13, 1990·43 cites·6 claims
- 2887US4403233AInk jet apparatusCANON KK·Filed 1982·Granted Sep 6, 1983·38 cites·4 claims
- 2986US5202702AInk jet recording apparatus and a method of cleaning a recording head used in the apparatusCANON KK·Filed 1992·Granted Apr 13, 1993·55 cites·28 claims
- 3086US5086305ALiquid injection recording apparatus and suction recovery device using capping means integrally provided with a plurality of capsCANON KK·Filed 1991·Granted Feb 4, 1992·55 cites·49 claims
- 3186US4739340AInk jet capping-purging operational checks methodCANON KK·Filed 1986·Granted Apr 19, 1988·41 cites·4 claims
- 3285US6097407APackage for ink jet headCANON KK·Filed 1994·Granted Aug 1, 2000·50 cites·2 claims
- 3385US4739847AInk jet printerCANON KK·Filed 1987·Granted Apr 26, 1988·31 cites·4 claims
- 3485US4695851AInk jet printerCANON KK·Filed 1985·Granted Sep 22, 1987·32 cites·14 claims
- 3584US4599625AInk tank frangible lever for pressure co-action with a ink bagCANON KK·Filed 1985·Granted Jul 8, 1986·34 cites·18 claims
- 3684US4543591ASuction recovery apparatusCANON KK·Filed 1983·Granted Sep 24, 1985·29 cites·8 claims
- 3783US4728970ASuction recovery apparatus of ink-jet printerCANON KK·Filed 1986·Granted Mar 1, 1988·33 cites·5 claims
- 3881US5311214AInk jet recording apparatus having means for removing foreign material from an ink supply path by first introducing an into the ink supply pathCANON KK·Filed 1991·Granted May 10, 1994·36 cites·22 claims
- 3981US4920360ALiquid ejection recording unit and liquid ejection recording apparatusCANON KK·Filed 1988·Granted Apr 24, 1990·27 cites·27 claims
- 4080US6007174AInk jet recording apparatus and methodCANON KK·Filed 1993·Granted Dec 28, 1999·32 cites·21 claims
- 4179US4556894AInk-jet type printer and a function restoration suction deviceCANON KK·Filed 1984·Granted Dec 3, 1985·21 cites·14 claims
- 4278US4492969ACapping device for a multi-ink jet headCANON KK·Filed 1982·Granted Jan 8, 1985·21 cites·13 claims
- 4378US4342041AInk jet type recording apparatusCANON KK·Filed 1980·Granted Jul 27, 1982·23 cites·3 claims
- 4477US4352114AInk jet printer with temperature compensationCANON KK·Filed 1980·Granted Sep 28, 1982·22 cites·2 claims
- 4576US6149264AInk jet recording apparatusCANON KK·Filed 1999·Granted Nov 21, 2000·29 cites·7 claims
- 4675US5126766AInk jet recording apparatus including means for opening and closing an ink supply pathCANON KK·Filed 1991·Granted Jun 30, 1992·32 cites·33 claims
- 4774US5398054AInk jet apparatusCANON KK·Filed 1992·Granted Mar 14, 1995·29 cites·13 claims
- 4874US5053787AInk jet recording method and head having additional generating means in the liquid chamberCANON KK·Filed 1990·Granted Oct 1, 1991·30 cites·27 claims
- 4973US5398049ARecording apparatus for method for controlling distance between recording head and recording mediumCANON KK·Filed 1994·Granted Mar 14, 1995·29 cites·31 claims
- 5071US5907343AInk jet recording apparatus and cartridge for use in the sameCANON KK·Filed 1997·Granted May 25, 1999·28 cites·30 claims
Showing the top 50 of 70 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →