Inventor · disambiguated record
Hirofumi Okuhara
Also filed as: OKUHARA HIROFUMI
25 granted patents·506 citations·filing 1996–2023
96Inventor score
Files withCANON KK25
Top patents by PatentIndex Score
25 records- 0198US11192383B2Liquid storage container and liquid ejection apparatusCANON KK·Filed 2020·Granted Dec 7, 2021·9 cites·21 claims
- 0298US10538092B2Liquid supplying mechanism, and liquid ejection apparatusCANON KK·Filed 2019·Granted Jan 21, 2020·14 cites·10 claims
- 0398US10427412B2Liquid ejecting apparatus and liquid refilling containerCANON KK·Filed 2017·Granted Oct 1, 2019·38 cites·12 claims
- 0498US10112403B2Liquid container and liquid ejection apparatusCANON KK·Filed 2017·Granted Oct 30, 2018·22 cites·20 claims
- 0598US10093105B2Liquid storage container and liquid ejection apparatusCANON KK·Filed 2017·Granted Oct 9, 2018·21 cites·29 claims
- 0697US11623453B2Liquid storage container and liquid ejection apparatusCANON KK·Filed 2021·Granted Apr 11, 2023·2 cites·12 claims
- 0797US10618300B2Liquid storage container and liquid ejection apparatusCANON KK·Filed 2018·Granted Apr 14, 2020·11 cites·23 claims
- 0897US10611162B2Liquid container and liquid ejection apparatusCANON KK·Filed 2018·Granted Apr 7, 2020·11 cites·21 claims
- 0997US10399346B2Liquid container unit and recording apparatusCANON KK·Filed 2017·Granted Sep 3, 2019·16 cites·20 claims
- 1097US10399347B2Liquid supplying mechanism, and liquid ejection apparatusCANON KK·Filed 2017·Granted Sep 3, 2019·16 cites·16 claims
- 1197US9914305B2Liquid storage container unitCANON KK·Filed 2017·Granted Mar 13, 2018·17 cites·17 claims
- 1297US6505923B1Liquid supply system, liquid supply container and negative pressure generating member container used for the same system, and ink jet recording apparatus using the same systemCANON KK·Filed 2000·Granted Jan 14, 2003·111 cites·7 claims
- 1396US10843474B2Liquid container unit and recording apparatusCANON KK·Filed 2019·Granted Nov 24, 2020·9 cites·15 claims
- 1496US6402308B1Liquid supply system and liquid supply vessel used for the sameCANON KK·Filed 2000·Granted Jun 11, 2002·98 cites·19 claims
- 1591US11298945B2Liquid replenishing systemCANON KK·Filed 2020·Granted Apr 12, 2022·2 cites·20 claims
- 1691US11117380B2Liquid ejection apparatus and method of controlling liquid ejection apparatusCANON KK·Filed 2019·Granted Sep 14, 2021·3 cites·19 claims
- 1791US10223624B2Notification device, notification method, and printing apparatusCANON KK·Filed 2017·Granted Mar 5, 2019·4 cites·18 claims
- 1885US5831652AMember and method for protecting ink tankCANON KK·Filed 1996·Granted Nov 3, 1998·53 cites·13 claims
- 1984US12049086B2Inkjet printerCANON KK·Filed 2023·Granted Jul 30, 2024·0 cites·17 claims
- 2083US6345888B1Liquid supply method, system, ink container, cartridge and replenishing container and head cartridge usable with systemCANON KK·Filed 1998·Granted Feb 12, 2002·48 cites·31 claims
- 2181US11794481B2Inkjet printerCANON KK·Filed 2022·Granted Oct 24, 2023·0 cites·17 claims
- 2273US11975543B2Liquid replenishing systemCANON KK·Filed 2022·Granted May 7, 2024·0 cites·17 claims
- 2371US11458734B2Inkjet printerCANON KK·Filed 2020·Granted Oct 4, 2022·0 cites·17 claims
- 2459US7448740B2Inkjet cartridgeCANON KK·Filed 2005·Granted Nov 11, 2008·1 cites·7 claims
- 2558US11294606B2Print system including a learned model to select a printerCANON KK·Filed 2020·Granted Apr 5, 2022·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →