Inventor · disambiguated record
Takeshi Akai
Also filed as: AKAI TAKESHI
26 granted patents·4 pending applications·1,100 citations·filing 2008–2023
95Inventor score
Top patents by PatentIndex Score
30 records- 0197US8599450B2Image read device and copierKUBO HIROSHI·Filed 2010·Granted Dec 3, 2013·1k cites·9 claims
- 0291US8743431B2Sheet conveying device, image reading device, and image forming deviceHAYASAKA KENJI·Filed 2013·Granted Jun 3, 2014·10 cites·7 claims
- 0388US10065824B2Stacking apparatusEDO YOUSUKE·Filed 2016·Granted Sep 4, 2018·5 cites·16 claims
- 0484US9221648B2Sheet processing device, image forming system, and method of additionally folding sheet bundleSUGIYAMA KEISUKE·Filed 2014·Granted Dec 29, 2015·7 cites·10 claims
- 0583US9075376B2Automatic document feeder and image forming apparatus including the sameUTAGAWA HIROAKI·Filed 2013·Granted Jul 7, 2015·4 cites·8 claims
- 0683US8925913B2Sheet conveying device, image reading device, and image forming apparatusKUBO HIROSHI·Filed 2013·Granted Jan 6, 2015·5 cites·24 claims
- 0782US11097544B2Liquid discharging head and liquid discharging apparatusMURAMATSU KOICHI·Filed 2019·Granted Aug 24, 2021·3 cites·18 claims
- 0882US8331847B2Bookbinding system, bookbinding method, and recording medium storing bookbinding programMATSUSHITA SHINGO·Filed 2009·Granted Dec 11, 2012·10 cites·19 claims
- 0980US7953341B2Automatic document feeder, image reading system including same, and image forming apparatus including sameRICOH CO LTD·Filed 2008·Granted May 31, 2011·6 cites·14 claims
- 1078US8950743B2Automatic document feeder, image reading device including the same, and image forming apparatus including the sameSAKANO KOKI·Filed 2013·Granted Feb 10, 2015·4 cites·8 claims
- 1177US9938099B2Sheet conveying device, sheet feeder, and image forming apparatusAKAI TAKESHI·Filed 2016·Granted Apr 10, 2018·3 cites·18 claims
- 1276US8570623B2Deep focus image reading system and image forming apparatusFUJII TAKASHI·Filed 2010·Granted Oct 29, 2013·3 cites·19 claims
- 1375US8614839B2Image reader, auto document feeder, and image forming apparatus capable of generating shading dataSANO MOTOYA·Filed 2009·Granted Dec 24, 2013·6 cites·19 claims
- 1473US9013763B2Image reading apparatus and image forming apparatusKUBO HIROSHI·Filed 2013·Granted Apr 21, 2015·2 cites·13 claims
- 1569US8896891B2Document conveying device, image reading device, and image forming apparatusHEISHI FUMIYUKI·Filed 2013·Granted Nov 25, 2014·2 cites·11 claims
- 1667US10513404B2Sheet-material supply deviceRICOH CO LTD·Filed 2016·Granted Dec 24, 2019·1 cites·11 claims
- 1767US9624061B2Sheet processing device, image forming system, and computer-readable storage mediumMATSUSHITA SHINGO·Filed 2016·Granted Apr 18, 2017·1 cites·14 claims
- 1864US9950886B2Sheet conveying device, image reading device incorporating the sheet conveying device, and image forming apparatus incorporating the sheet conveying deviceSHIMAZU TAKEHISA·Filed 2017·Granted Apr 24, 2018·1 cites·12 claims
- 1962US12291042B2Droplet discharge device and droplet discharge methodAKAI TAKESHI·Filed 2023·Granted May 6, 2025·0 cites·9 claims
- 2062US10097720B2Sound absorber, sheet feeder incorporating the sound absorber, image reading device incorporating the sheet feeder, image forming apparatus incorporating the sound absorber, and electronic device incorporating the sound absorberOCHIAI TAKAYA·Filed 2016·Granted Oct 9, 2018·1 cites·9 claims
- 2161US2022274405A1Liquid discharge apparatus and liquid filling methodMIDORIKAWA RUKI·Filed 2022·Application pending·0 cites
- 2257US10807372B2Liquid droplet discharging unit, liquid droplet forming device, and stirring deviceAKAI TAKESHI·Filed 2019·Granted Oct 20, 2020·0 cites·18 claims
- 2350US9359167B2Sheet processing device, image forming system, and method of additionally folding sheet bundleMUSHA AKIHIRO·Filed 2014·Granted Jun 7, 2016·0 cites·13 claims
- 2449US11001072B2Liquid discharge head, liquid discharge device, dispensing device, and liquid discharge methodYAMANAKA MANABU·Filed 2019·Granted May 11, 2021·0 cites·18 claims
- 2548US2025368468A1Medium processing apparatus and image forming system incorporating sameRICOH CO LTD·Filed 2023·Application pending·0 cites
- 2647US9238559B2Auto document feeder and image forming apparatusAKAI TAKESHI·Filed 2014·Granted Jan 19, 2016·0 cites·15 claims
- 2742US9834398B2Sheet conveying device, sheet feeder, and image forming apparatusNIITSUMA YOUHEI·Filed 2016·Granted Dec 5, 2017·0 cites·20 claims
- 2839US10384897B2Sheet-member separation device, sheet-member separation method, program, and image forming apparatusTAKANO SATORU·Filed 2016·Granted Aug 20, 2019·0 cites·18 claims
- 2939US2014140744A1Automatic document feeder, image scanning device, and image forming apparatusAKAI TAKESHI·Filed 2013·Application pending·0 cites
- 3032US2016170355A1Automatic document feeder, image reading device, image forming apparatus, and image forming systemHEISHI FUMIYUKI·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Takeshi Akai 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 →