Inventor · disambiguated record
Fumio Nakazawa
Also filed as: NAKAZAWA FUMIO
56 granted patents·7 pending applications·259 citations·filing 1996–2023
97Inventor score
Top patents by PatentIndex Score
63 records- 0196US11584133B2Ink tank and image recording apparatusBROTHER IND LTD·Filed 2021·Granted Feb 21, 2023·4 cites·9 claims
- 0295US11027552B2Printing-fluid cartridge having interfering surface, and set of the printing-fluid cartridgesBROTHER IND LTD·Filed 2019·Granted Jun 8, 2021·4 cites·18 claims
- 0393US10493765B2Liquid cartridge capable of reducing leakage of liquid from liquid storage chamberBROTHER IND LTD·Filed 2017·Granted Dec 3, 2019·3 cites·14 claims
- 0491US11897267B2Liquid cartridge capable of reducing leakage of liquid from liquid storage chamberBROTHER IND LTD·Filed 2021·Granted Feb 13, 2024·1 cites·17 claims
- 0591US5754547ARouting method and system using an internet protocolNEC CORP·Filed 1996·Granted May 19, 1998·153 cites·6 claims
- 0689US8025372B2Ink jet printerBROTHER IND LTD·Filed 2007·Granted Sep 27, 2011·10 cites·16 claims
- 0787US11904613B2Inkjet recording device maintaining valve at closing position to close air communication opening formed in ink storage portion during execution of printing processBROTHER IND LTD·Filed 2021·Granted Feb 20, 2024·1 cites·18 claims
- 0887US11654675B2Inkjet recording device including controller controlling valve to close air communication opening formed in ink storage portion in case of occurrence of abnormalityBROTHER IND LTD·Filed 2021·Granted May 23, 2023·1 cites·12 claims
- 0986US6699195B2Electronic blood pressure monitor and blood pressure data processing systemOMRON TATEISI ELECTRONICS CO·Filed 2002·Granted Mar 2, 2004·69 cites·33 claims
- 1084US12214597B2Inkjet recording device maintaining valve at closing position to close air communication opening formed in ink storage portion during execution of printing processBROTHER IND LTD·Filed 2023·Granted Feb 4, 2025·0 cites·18 claims
- 1184US10479095B2Liquid cartridge having chamber and set of the liquid cartridgesBROTHER IND LTD·Filed 2017·Granted Nov 19, 2019·2 cites·16 claims
- 1284US10421284B2Liquid cartridge having pivotable lever provided with light-blocking portionBROTHER IND LTD·Filed 2018·Granted Sep 24, 2019·1 cites·27 claims
- 1382US12427776B2Liquid supplying apparatusBROTHER IND LTD·Filed 2023·Granted Sep 30, 2025·0 cites·4 claims
- 1482US12319067B2Liquid discharging apparatusBROTHER IND LTD·Filed 2023·Granted Jun 3, 2025·0 cites·25 claims
- 1582US11890875B2Liquid cartridge having pivotable lever provided with light-blocking portionBROTHER IND LTD·Filed 2022·Granted Feb 6, 2024·0 cites·16 claims
- 1682US10730309B2Liquid cartridge including substrate having sloped surfaceBROTHER IND LTD·Filed 2018·Granted Aug 4, 2020·1 cites·11 claims
- 1780US12017451B2Inkjet recording device including controller controlling valve to close air communication opening formed in ink storage portion in case of occurrence of abnormalityBROTHER IND LTD·Filed 2023·Granted Jun 25, 2024·0 cites·14 claims
- 1879US11912040B2Replenishable liquid storage tank including backpressure application member, and image-forming apparatus provided with the sameBROTHER IND LTD·Filed 2021·Granted Feb 27, 2024·0 cites·14 claims
- 1979US11780235B2Replenishable liquid storage tank including backpressure application member, and image-forming apparatus provided with the sameBROTHER IND LTD·Filed 2021·Granted Oct 10, 2023·0 cites·13 claims
- 2079US10071555B2Liquid ejection apparatusBROTHER IND LTD·Filed 2017·Granted Sep 11, 2018·1 cites·10 claims
- 2179US9586404B2Liquid ejection apparatusBROTHER IND LTD·Filed 2014·Granted Mar 7, 2017·2 cites·11 claims
- 2278US8696086B2Ink-jet printer and method for replacing filling liquid in ink-jet headNAKAZAWA FUMIO·Filed 2011·Granted Apr 15, 2014·3 cites·10 claims
- 2378US8608279B2Liquid jetting apparatus and cap memberNAKAZAWA FUMIO·Filed 2012·Granted Dec 17, 2013·3 cites·18 claims
- 2477US11590758B2Printing-fluid cartridge having interfering surface, and set of the printing-fluid cartridgesBROTHER IND LTD·Filed 2021·Granted Feb 28, 2023·0 cites·18 claims
- 2576US11351792B2Liquid cartridge having pivotable lever provided with light-blocking portionBROTHER IND LTD·Filed 2020·Granted Jun 7, 2022·0 cites·14 claims
- 2675US12138922B2Liquid ejection deviceBROTHER IND LTD·Filed 2022·Granted Nov 12, 2024·0 cites·18 claims
- 2775US11077669B2Liquid cartridge capable of reducing leakage of liquid from liquid storage chamberBROTHER IND LTD·Filed 2019·Granted Aug 3, 2021·0 cites·21 claims
- 2874US11072184B2Liquid cartridge including movable memberBROTHER IND LTD·Filed 2020·Granted Jul 27, 2021·0 cites·13 claims
- 2974US10773525B2Liquid cartridge having pivotable lever provided with light-blocking portionBROTHER IND LTD·Filed 2019·Granted Sep 15, 2020·0 cites·11 claims
- 3073US11912039B2Liquid discharging apparatusBROTHER IND LTD·Filed 2021·Granted Feb 27, 2024·0 cites·17 claims
- 3173US11878533B2Liquid supplying apparatusBROTHER IND LTD·Filed 2021·Granted Jan 23, 2024·0 cites·13 claims
- 3273US11285727B2Liquid cartridge including circuit board and deformable memberBROTHER IND LTD·Filed 2021·Granted Mar 29, 2022·0 cites·15 claims
- 3373US11225084B2Replenishable liquid storage tank including backpressure application member, and image-forming apparatus provided with the sameBROTHER IND LTD·Filed 2020·Granted Jan 18, 2022·0 cites·8 claims
- 3472US10688796B2Liquid cartridge including movable memberBROTHER IND LTD·Filed 2019·Granted Jun 23, 2020·0 cites·9 claims
- 3570US11413875B2Liquid cartridge including substrate having sloped surfaceBROTHER IND LTD·Filed 2020·Granted Aug 16, 2022·0 cites·15 claims
- 3669US10894421B2Liquid cartridge including circuit board and deformable memberBROTHER IND LTD·Filed 2019·Granted Jan 19, 2021·0 cites·17 claims
- 3768US10343413B2Liquid cartridge including movable memberBROTHER IND LTD·Filed 2018·Granted Jul 9, 2019·0 cites·13 claims
- 3867US11020978B2Printing-fluid cartridge including electrical interface and locking surfaceBROTHER IND LTD·Filed 2019·Granted Jun 1, 2021·0 cites·13 claims
- 3965US12076981B2Inkjet recording device including guide member whose portion is aligned with and at the same height as storage bodyBROTHER IND LTD·Filed 2022·Granted Sep 3, 2024·0 cites·15 claims
- 4065US10391777B2Printing-fluid cartridge having interfering surface, and set of the printing-fluid cartridgesBROTHER IND LTD·Filed 2017·Granted Aug 27, 2019·0 cites·21 claims
- 4164US12202271B2Liquid discharging apparatusBROTHER IND LTD·Filed 2022·Granted Jan 21, 2025·0 cites·19 claims
- 4260US10384459B2Printing-fluid cartridge including electrical interface and locking surfaceBROTHER IND LTD·Filed 2017·Granted Aug 20, 2019·0 cites·20 claims
- 4356US12077000B2Liquid discharging apparatusBROTHER IND LTD·Filed 2021·Granted Sep 3, 2024·0 cites·13 claims
- 4456US11865847B2Liquid discharge apparatusBROTHER IND LTD·Filed 2022·Granted Jan 9, 2024·0 cites·8 claims
- 4555US12214596B2Liquid discharging apparatusBROTHER IND LTD·Filed 2022·Granted Feb 4, 2025·0 cites·15 claims
- 4654US12160553B2Printing device, and non-transitory computer-readable recording medium thereforBROTHER IND LTD·Filed 2022·Granted Dec 3, 2024·0 cites·15 claims
- 4753US11697288B2Liquid supplying apparatusBROTHER IND LTD·Filed 2021·Granted Jul 11, 2023·0 cites·13 claims
- 4850US2023022407A1Liquid ejecting device and liquid reservoir to increase volume ratio of stored liquidBROTHER IND LTD·Filed 2022·Application pending·0 cites
- 4950US2022274410A1Ink injection cylinder, ink tank, and inkjet printer equipped with the sameBROTHER IND LTD·Filed 2022·Application pending·0 cites
- 5048US10737498B2Liquid cartridgeBROTHER IND LTD·Filed 2018·Granted Aug 11, 2020·0 cites·18 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →