Inventor · disambiguated record
Masasumi Nagashima
Also filed as: NAGASHIMA MASASUMI
32 granted patents·596 citations·filing 1981–1997
98Inventor score
Files withCANON KK32
Top patents by PatentIndex Score
32 records- 0194US5593237APrinting apparatus and ink ribbon cassette thereforCANON KK·Filed 1995·Granted Jan 14, 1997·107 cites·12 claims
- 0288US5576744ARecording apparatus and method compensating for varying gap between recording head and recording mediumCANON KK·Filed 1993·Granted Nov 19, 1996·65 cites·9 claims
- 0386US4456392AHeat transfer printerCANON KK·Filed 1981·Granted Jun 26, 1984·40 cites·6 claims
- 0484US4741634APrinter with variable head displacementCANON KK·Filed 1986·Granted May 3, 1988·37 cites·9 claims
- 0581US4591876AThermal printerCANON KK·Filed 1982·Granted May 27, 1986·25 cites·12 claims
- 0678USD281331SInk ribbon cassette for typewriterCANON KK·Filed 1983·Granted Nov 12, 1985·15 cites·1 claims
- 0775US4636810AThermal printerCANON KK·Filed 1983·Granted Jan 13, 1987·20 cites·10 claims
- 0873US5164748ASuction recovery device with a cap having a communicating member to aid suctionCANON KK·Filed 1991·Granted Nov 17, 1992·26 cites·56 claims
- 0973US4411540APrinting apparatusCANON KK·Filed 1981·Granted Oct 25, 1983·18 cites·6 claims
- 1071US4672393AThermal printerCANON KK·Filed 1985·Granted Jun 9, 1987·18 cites·6 claims
- 1167US6062670AInk jet recording apparatus having discharge recovery meansCANON KK·Filed 1994·Granted May 16, 2000·22 cites·8 claims
- 1266US4459055AInk ribbon which makes illegible the contents of information as transferredCANON KK·Filed 1982·Granted Jul 10, 1984·10 cites·5 claims
- 1362US5816723AElectronic apparatus capable of feeding sheets from a front side, and sheet feeding device for use therewithCANON KK·Filed 1997·Granted Oct 6, 1998·19 cites·25 claims
- 1462USD281332SInk ribbon cassette for word processorCANON KK·Filed 1983·Granted Nov 12, 1985·8 cites·1 claims
- 1559US5216448AInk jet recording head carriage and an apparatus with sameCANON KK·Filed 1992·Granted Jun 1, 1993·15 cites·14 claims
- 1659US4709242APrinterCANON KK·Filed 1987·Granted Nov 24, 1987·10 cites·46 claims
- 1758US4361844ARecording headCANON KK·Filed 1981·Granted Nov 30, 1982·11 cites·10 claims
- 1856US5359358ARecording apparatus with ink jet recording head and capping deviceCANON KK·Filed 1993·Granted Oct 25, 1994·15 cites·30 claims
- 1956US4733250ARecording apparatusCANON KK·Filed 1986·Granted Mar 22, 1988·9 cites·9 claims
- 2054US5818471ARecording apparatus and method for indicating decrease of ink remainsCANON KK·Filed 1995·Granted Oct 6, 1998·14 cites·13 claims
- 2154US4699534ASheet advancing deviceCANON KK·Filed 1987·Granted Oct 13, 1987·8 cites·2 claims
- 2254US4676683APlaten support structure of recording apparatusCANON KK·Filed 1986·Granted Jun 30, 1987·8 cites·13 claims
- 2352US4639744ARecording apparatusCANON KK·Filed 1983·Granted Jan 27, 1987·7 cites·28 claims
- 2451US5997120ARecording apparatus which allows ink amount detection upon exchange of a printheadCANON KK·Filed 1995·Granted Dec 7, 1999·12 cites·23 claims
- 2551US5992961AInk jet recording apparatus, method for determining reduced ink remains, and information processing apparatusCANON KK·Filed 1995·Granted Nov 30, 1999·12 cites·20 claims
- 2651US5757403ARecording apparatus with means for mounting a recording headCANON KK·Filed 1996·Granted May 26, 1998·12 cites·37 claims
- 2750US6024434ARecording apparatus with ink jet recording headCANON KK·Filed 1994·Granted Feb 15, 2000·8 cites·41 claims
- 2848US4692774AMulti-color recording apparatusCANON KK·Filed 1985·Granted Sep 8, 1987·6 cites·15 claims
- 2945US4955738APrinter with disengageable ribbon feedCANON KK·Filed 1988·Granted Sep 11, 1990·5 cites·13 claims
- 3042US6186614B1Ink jet recording apparatus having wiping blade ink splash preventionCANON KK·Filed 1997·Granted Feb 13, 2001·7 cites·12 claims
- 3138US5992965ASuction recovery device with a cap having a shape corresponding to a contoured discharge port faceCANON KK·Filed 1995·Granted Nov 30, 1999·4 cites·9 claims
- 3236US4669897ADot matrix printer capable of varying character sizeCANON KK·Filed 1985·Granted Jun 2, 1987·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →