Inventor · disambiguated record
Akiko Bannai
Also filed as: BANNAI AKIKO
39 granted patents·7 pending applications·706 citations·filing 1998–2022
97Inventor score
Top patents by PatentIndex Score
46 records- 0198US8393721B2Imaging-material container, ink cartridge, and image forming apparatusKATOH TOMOMI·Filed 2010·Granted Mar 12, 2013·43 cites·16 claims
- 0298US7810919B2Recording ink, ink cartridge, ink record, inkjet recording apparatus, and inkjet recording methodRICOH KK·Filed 2005·Granted Oct 12, 2010·34 cites·15 claims
- 0398US7284851B2Inkjet recording ink, recording process and recording apparatusRICOH KK·Filed 2005·Granted Oct 23, 2007·39 cites·16 claims
- 0497US6695443B2Ink for ink jet recording, ink set for ink jet recording, method for ink jet recording, ink cartridge for ink jet recording, ink jet recording apparatus and recorded articleRICOH KK·Filed 2002·Granted Feb 24, 2004·76 cites·43 claims
- 0597US6613136B1Recording ink composition and ink-jet printing method using the sameRICOH KK·Filed 2000·Granted Sep 2, 2003·72 cites·15 claims
- 0697US5993524AImage recording method, image recording apparatus and image recording acceleration liquidRICOH KK·Filed 1998·Granted Nov 30, 1999·107 cites·21 claims
- 0796US7682011B2Recording ink, ink cartridge, ink record, inkjet recording apparatus and inkjet recording processRICOH KK·Filed 2005·Granted Mar 23, 2010·28 cites·15 claims
- 0895US8029122B2Recording ink, inkjet recording method and inkjet recording apparatusRICOH CO LTD·Filed 2007·Granted Oct 4, 2011·18 cites·18 claims
- 0994US7812068B2Recording ink, inkjet recording method and inkjet recording apparatus using the sameRICOH KK·Filed 2005·Granted Oct 12, 2010·17 cites·15 claims
- 1094US7033013B2Pretreatment liquid for recording material and image recording method using the pretreatment liquidRICOH KK·Filed 2004·Granted Apr 25, 2006·36 cites·17 claims
- 1194US6786588B2Pretreatment liquid for recording material and image recording method using the pretreatment liquidRICOH KK·Filed 2002·Granted Sep 7, 2004·58 cites·15 claims
- 1292US11179940B2Liquid discharging device and wiping methodRICOH CO LTD·Filed 2019·Granted Nov 23, 2021·4 cites·11 claims
- 1392US6120589ASet of color ink compositions for ink-jet printing and method of forming color images using the color ink setRICOH KK·Filed 1999·Granted Sep 19, 2000·74 cites·32 claims
- 1491US8899711B2Inkjet recording method, inkjet recording device, and recorded materialMASUDA KIMINORI·Filed 2014·Granted Dec 2, 2014·8 cites·10 claims
- 1591US6730155B2Aqueous ink compositionRICOH KK·Filed 2001·Granted May 4, 2004·38 cites·15 claims
- 1689US10301487B2Inkjet recording device, cleaning method, and set of ink and cleaning liquidTAKAHASHI HIROAKI·Filed 2018·Granted May 28, 2019·2 cites·11 claims
- 1789US8454136B2Ink cartridge and image forming apparatus employing the ink cartridgeKATOH TOMOMI·Filed 2010·Granted Jun 4, 2013·6 cites·15 claims
- 1889US8454142B2Liquid carrying container and image forming deviceBANNAI AKIKO·Filed 2010·Granted Jun 4, 2013·7 cites·18 claims
- 1987US11130343B2Wiping device, liquid discharging device, and wiping methodRICOH CO LTD·Filed 2019·Granted Sep 28, 2021·2 cites·12 claims
- 2081US7922316B2Inkjet recording apparatus and inkjet recording methodRICOH CO LTD·Filed 2005·Granted Apr 12, 2011·6 cites·15 claims
- 2179US8292414B2Ink cartridge and an imaging apparatusHAYAKAWA TADASHI·Filed 2009·Granted Oct 23, 2012·5 cites·15 claims
- 2279US6578958B2Inkjet recording method and apparatus and ink thereforRICOH KK·Filed 2002·Granted Jun 17, 2003·19 cites·20 claims
- 2376US8646886B2Ink cartridge and an imaging apparatusHAYAKAWA TADASHI·Filed 2012·Granted Feb 11, 2014·2 cites·17 claims
- 2472US8336998B2Image forming apparatusKUWATA MASAHIRO·Filed 2010·Granted Dec 25, 2012·2 cites·18 claims
- 2571US9217092B2Inkjet recording method, inkjet recording device, and ink recorded matterMASUDA KIMINORI·Filed 2013·Granted Dec 22, 2015·1 cites·7 claims
- 2670US11970625B2Liquid composition, liquid discharging device, and method of manufacturing liquid compositionKUDO MASAKI·Filed 2022·Granted Apr 30, 2024·0 cites·13 claims
- 2767US9505234B2Inkjet recording method and inkjet recording deviceBANNAI AKIKO·Filed 2014·Granted Nov 29, 2016·1 cites·15 claims
- 2862US11472199B2Inkjet printing apparatus, inkjet printing method, and method for controlling glossiness of print imageRICOH CO LTD·Filed 2020·Granted Oct 18, 2022·0 cites·11 claims
- 2959US8979255B2Ink cartridge and method of replenishing ink cartridgeBANNAI AKIKO·Filed 2013·Granted Mar 17, 2015·0 cites·16 claims
- 3058US8303099B2Recording ink, ink cartridge, ink record, inkjet recording apparatus, and inkjet recording methodKOJIMA MARIKO·Filed 2010·Granted Nov 6, 2012·0 cites·13 claims
- 3156US10189262B2Cleaning liquid, container, inkjet printing method, inkjet printing device, and set of ink and cleaning liquidNAKAMURA YUTA·Filed 2017·Granted Jan 29, 2019·0 cites·9 claims
- 3256US10040961B2Cleaning solution, set of ink and cleaning solution, cleaning solution stored container, inkjet printing apparatus, and inkjet printing methodKOHZUKI SHIZUKA·Filed 2016·Granted Aug 7, 2018·0 cites·19 claims
- 3356US2022389258A1Clear ink, printing method, and inkjet printing apparatusTAKAHASHI HIROAKI·Filed 2020·Application pending·0 cites
- 3454US11261342B2Cleaning solution, set of ink and cleaning solution, cleaning method, cleaning apparatus, printing method, and printing apparatusRICOH CO LTD·Filed 2017·Granted Mar 1, 2022·0 cites·12 claims
- 3553US8486185B2Inkjet recording ink, ink cartridge and inkjet recording apparatusKUDOH MASAKI·Filed 2010·Granted Jul 16, 2013·1 cites·20 claims
- 3651US2016185110A1Inkjet recording method and inkjet recording deviceMASUDA KIMINORI·Filed 2014·Application pending·0 cites
- 3750US2010020142A1Refill ink and ink cartridgeBANNAI AKIKO·Filed 2007·Application pending·0 cites
- 3849US11565528B2Inkjet printing device and inkjet printing methodRICOH CO LTD·Filed 2019·Granted Jan 31, 2023·0 cites·20 claims
- 3948US2006176349A1Recording ink for ink-jet recording apparatus, and, ink cartridge,ink-jet recording apparatus, ink-jet recording process, and recorded matterNAGAI KIYOFUMI·Filed 2006·Application pending·0 cites
- 4047US8052262B2Liquid container and image forming apparatus employing the liquid containerRICOH CO LTD·Filed 2010·Granted Nov 8, 2011·0 cites·14 claims
- 4146US9879144B2Cleaning solution, set of ink and cleaning solution, cleaning method, cleaning apparatus, printing method, and printing apparatusKOHZUKI SHIZUKA·Filed 2017·Granted Jan 30, 2018·0 cites·11 claims
- 4246US8474958B2Ink cartridge and image forming apparatus including the sameKUWATA MASAHIRO·Filed 2010·Granted Jul 2, 2013·0 cites·9 claims
- 4345US2012328853A1Inkjet recording ink set, inkjet recording method and recorded matterMATSUYAMA AKIHIKO·Filed 2011·Application pending·0 cites
- 4442US2017247556A1Ink, ink set, and inkjet recording deviceYOKOHAMA YUUKI·Filed 2015·Application pending·0 cites
- 4541US9757942B2Inkjet recording method and inkjet recording deviceMASUDA KIMINORI·Filed 2015·Granted Sep 12, 2017·0 cites·13 claims
- 4640US2016272828A1Ink, ink cartridge, inkjet recording method, inkjet recording apparatus, and ink recorded matterTAKAMURA YUKIKO·Filed 2016·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Akiko Bannai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →