Inventor · disambiguated record
Kenjiro Watanabe
Also filed as: WATANABE KENJIRO
106 granted patents·8 pending applications·2,846 citations·filing 1982–2024
99Inventor score
Top patents by PatentIndex Score
114 records- 0198US7278721B2Liquid containerCANON KK·Filed 2004·Granted Oct 9, 2007·72 cites·9 claims
- 0298US7213914B2Liquid container and manufacturing method thereforCANON KK·Filed 2004·Granted May 8, 2007·82 cites·11 claims
- 0397US7841711B2Liquid container and liquid supplying systemCANON KK·Filed 2009·Granted Nov 30, 2010·22 cites·20 claims
- 0497US6170939B1Liquid storing container for recording apparatusCANON KK·Filed 1996·Granted Jan 9, 2001·148 cites·6 claims
- 0597US5583549ALiquid storing container for recording apparatusCANON KK·Filed 1993·Granted Dec 10, 1996·132 cites·10 claims
- 0697US5477246AInk jet recording apparatus and methodCANON KK·Filed 1992·Granted Dec 19, 1995·114 cites·22 claims
- 0797USD341619SInk cartridge for printerCANON KK·Filed 1992·Granted Nov 23, 1993·64 cites·1 claims
- 0896US8136930B2Liquid container and manufacturing method thereforANMA HIROMASA·Filed 2007·Granted Mar 20, 2012·29 cites·22 claims
- 0996US7237881B2Liquid container, liquid supplying system, manufacturing method therefor, circuit board therefor and liquid containing cartridgeCANON KK·Filed 2004·Granted Jul 3, 2007·76 cites·24 claims
- 1096US5608437AInk container and ink jet recording apparatus using sameCANON KK·Filed 1992·Granted Mar 4, 1997·124 cites·10 claims
- 1196USD341620SInk cartridge for printerCANON KK·Filed 1992·Granted Nov 23, 1993·61 cites·1 claims
- 1296US5175565AInk jet substrate including plural temperature sensors and heatersCANON KK·Filed 1991·Granted Dec 29, 1992·133 cites·15 claims
- 1395USD356332SInk cartridge for printerCANON KK·Filed 1993·Granted Mar 14, 1995·49 cites·1 claims
- 1495USD355215SInk cartridge for printerCANON KK·Filed 1993·Granted Feb 7, 1995·49 cites·1 claims
- 1595USD351855SInk cartridge for printerCANON KK·Filed 1993·Granted Oct 25, 1994·51 cites·1 claims
- 1695USD348479SInk cartridge for printerCANON KK·Filed 1992·Granted Jul 5, 1994·60 cites·1 claims
- 1795USD348480SInk cartridge for printerCANON KK·Filed 1992·Granted Jul 5, 1994·57 cites·1 claims
- 1894US7841681B2Signaling module, liquid container, recording apparatus, and control methodCANON KK·Filed 2008·Granted Nov 30, 2010·13 cites·18 claims
- 1994USD355929SInk cartridge for printerCANON KK·Filed 1993·Granted Feb 28, 1995·47 cites·1 claims
- 2094USD355210SInk cartridge for printerCANON KK·Filed 1993·Granted Feb 7, 1995·46 cites·1 claims
- 2194USD355213SInk cartridge for printerCANON KK·Filed 1993·Granted Feb 7, 1995·46 cites·1 claims
- 2293US8801162B2Liquid container and liquid supplying systemCANON KK·Filed 2013·Granted Aug 12, 2014·11 cites·34 claims
- 2393US7607758B2Ink jet printing head and ink jet printing apparatus using the sameCANON KK·Filed 2006·Granted Oct 27, 2009·13 cites·8 claims
- 2493US5781213ALiquid storing container having filter interface for recording apparatusCANON KK·Filed 1996·Granted Jul 14, 1998·76 cites·6 claims
- 2592US4635080ALiquid injection recording apparatusCANON KK·Filed 1985·Granted Jan 6, 1987·66 cites·4 claims
- 2691US8382265B2Liquid container and liquid supplying systemCANON KK·Filed 2008·Granted Feb 26, 2013·7 cites·24 claims
- 2791US7717541B2Liquid containerCANON KK·Filed 2006·Granted May 18, 2010·8 cites·16 claims
- 2891US7354144B2Liquid container, liquid supply system and recording apparatus using the liquid container, and circuit module for liquid container and substrateCANON KK·Filed 2005·Granted Apr 8, 2008·13 cites·12 claims
- 2991US5589862ALiquid storing container for recording apparatusCANON KK·Filed 1995·Granted Dec 31, 1996·66 cites·8 claims
- 3090US7448712B2Signaling module, liquid container, recording apparatus, and control methodCANON KK·Filed 2006·Granted Nov 11, 2008·9 cites·1 claims
- 3190USD351856SPrinting head body for printerCanon Kabuushiki Kaisha·Filed 1993·Granted Oct 25, 1994·41 cites·1 claims
- 3289US8628179B2Liquid container and manufacturing method thereforANMA HIROMASA·Filed 2012·Granted Jan 14, 2014·4 cites·37 claims
- 3389US8091998B2Liquid container and manufacturing method thereforANMA HIROMASA·Filed 2010·Granted Jan 10, 2012·4 cites·36 claims
- 3489US6234599B1Substrate having a built-in temperature detecting element, and ink jet apparatus having the sameCANON KK·Filed 1994·Granted May 22, 2001·53 cites·19 claims
- 3589US6144517AMagnetic disk device and method of manufacturing sameSONY CORP·Filed 1999·Granted Nov 7, 2000·50 cites·15 claims
- 3689US5907448AMagnetic disk device and method of manufacturing same having convex recordings regions, concave guard bands, and impressed concavities and convexities representing control signalsSONY CORP·Filed 1996·Granted May 25, 1999·52 cites·28 claims
- 3789US4847637AInk jet recording apparatus having a cap for maintaining a clean discharge portCANON KK·Filed 1987·Granted Jul 11, 1989·45 cites·21 claims
- 3888US7738341B2Recording and reproducing apparatus, recording and reproducing method, reproducing apparatus, and reproducing methodSONY CORP·Filed 2008·Granted Jun 15, 2010·8 cites·18 claims
- 3988USD352059SInk cartridge for printerCANON KK·Filed 1993·Granted Nov 1, 1994·30 cites·1 claims
- 4088US5018119AMethod for reproducing signal using an external magnetic field from magneto-optical recording medium having three magnetic layersSONY CORP·Filed 1988·Granted May 21, 1991·37 cites·4 claims
- 4187US8376535B2Liquid containerCANON KK·Filed 2010·Granted Feb 19, 2013·3 cites·6 claims
- 4287USD352060SInk cartridge for printerCANON KK·Filed 1993·Granted Nov 1, 1994·33 cites·1 claims
- 4385US8678570B2Liquid container and liquid supplying systemMATSUMOTO HARUYUKI·Filed 2010·Granted Mar 25, 2014·2 cites·71 claims
- 4485US7125109B2Ink container and ink container holderCANON KK·Filed 2004·Granted Oct 24, 2006·27 cites·6 claims
- 4584US8596770B2Liquid container and liquid supplying systemMATSUMOTO HARUYUKI·Filed 2010·Granted Dec 3, 2013·2 cites·43 claims
- 4682US5021809AInk jet recording device with pressure-fluctuation absorptionCANON KK·Filed 1989·Granted Jun 4, 1991·32 cites·7 claims
- 4781US5940102AInk jet cartridge, ink jet apparatus and ink containerCANON KK·Filed 1996·Granted Aug 17, 1999·37 cites·7 claims
- 4880US6631978B1Ink tank holding member and ink jet cartridge provided with such holding memberCANON KK·Filed 2000·Granted Oct 14, 2003·20 cites·4 claims
- 4980US6471321B1Ink jet recording apparatus and ink jet recording headCANON KK·Filed 2000·Granted Oct 29, 2002·17 cites·4 claims
- 5080US6007174AInk jet recording apparatus and methodCANON KK·Filed 1993·Granted Dec 28, 1999·32 cites·21 claims
Showing the top 50 of 114 patent records by PatentIndex Score.
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