Inventor · disambiguated record
Keiji Ohta
Also filed as: OHTA KEIJI
33 granted patents·4 pending applications·45 citations·filing 1998–2024
95Inventor score
Top patents by PatentIndex Score
37 records- 0190US9656478B2Ink ribbon cassette, ink ribbon cartridge, printing device and control method for printing deviceNIDEC SANKYO CORP·Filed 2016·Granted May 23, 2017·3 cites·5 claims
- 0290US9498996B2Ink ribbon cassette, ink ribbon cartridge, printing device and control method for printing deviceNIDEC SANKYO CORP·Filed 2016·Granted Nov 22, 2016·3 cites·6 claims
- 0388US12242907B2Card transport unitNIDEC SANKYO CORP·Filed 2022·Granted Mar 4, 2025·1 cites·12 claims
- 0488US9381764B2Ink ribbon cassette, ink ribbon cartridge, printing device and control method for printing deviceNIDEC SANKYO CORP·Filed 2013·Granted Jul 5, 2016·4 cites·16 claims
- 0577US11186096B2Card-issuing deviceNIDEC SANKYO CORP·Filed 2017·Granted Nov 30, 2021·1 cites·3 claims
- 0676US8550347B2Information reading deviceIKEDA MASAHIRO·Filed 2010·Granted Oct 8, 2013·4 cites·33 claims
- 0769US9007649B2Card printing device and control method for card printing deviceHIGASHI KATSUHISA·Filed 2012·Granted Apr 14, 2015·3 cites·7 claims
- 0869US8646652B2Card extracting device and control method for card extracting deviceOHTA KEIJI·Filed 2010·Granted Feb 11, 2014·3 cites·2 claims
- 0967US8727694B2Card elevating/lowering device, card carrying-out/carrying-in device and card issuing/collecting apparatusHIYAMA CHISATO·Filed 2009·Granted May 20, 2014·3 cites·8 claims
- 1066US8167211B2Card carrying and pushing out deviceTATAI TOSHIO·Filed 2006·Granted May 1, 2012·4 cites·11 claims
- 1162US7775441B2Card issuing deviceNIDEC SANKYO CORP·Filed 2008·Granted Aug 17, 2010·2 cites·8 claims
- 1262US7635122B2Card processing unitNIDEC SANKYO CORP·Filed 2006·Granted Dec 22, 2009·2 cites·11 claims
- 1360US8807436B2Card processing unit and card issuing deviceWATANABE TAKEKI·Filed 2009·Granted Aug 19, 2014·2 cites·16 claims
- 1454US11995509B2Card processing device and cover memberNIDEC SANKYO CORP·Filed 2022·Granted May 28, 2024·0 cites·14 claims
- 1554US2024431039A1Information processing deviceNIDEC INSTRUMENTS CORP·Filed 2024·Application pending·0 cites
- 1653US8002260B2Card processing unitNIDEC SANKYO CORP·Filed 2009·Granted Aug 23, 2011·0 cites·10 claims
- 1752US2024092607A1Card issuing deviceNIDEC INSTRUMENTS CORP·Filed 2023·Application pending·0 cites
- 1851US11900186B2Card readerNIDEC SANKYO CORP·Filed 2022·Granted Feb 13, 2024·0 cites·10 claims
- 1951US10552726B2Card-type medium counting mechanism, card-type medium housing device, and card housing deviceNIDEC SANKYO CORP·Filed 2016·Granted Feb 4, 2020·0 cites·18 claims
- 2051US9108822B2Card elevating/lowering device, card carrying-out/carrying-in device and card issuing/collecting apparatusNIDEC SANKYO CORP·Filed 2013·Granted Aug 18, 2015·0 cites·6 claims
- 2149US9044985B2Printing deviceOHTA KEIJI·Filed 2012·Granted Jun 2, 2015·0 cites·10 claims
- 2248US8528904B2Card issuing deviceOHTA KEIJI·Filed 2009·Granted Sep 10, 2013·0 cites·18 claims
- 2347US10668360B2Card collection storage and card processing deviceNIDEC SANKYO CORP·Filed 2018·Granted Jun 2, 2020·0 cites·23 claims
- 2446US9751707B2Card conveying mechanism and card issuing deviceNIDEC SANKYO CORP·Filed 2015·Granted Sep 5, 2017·0 cites·22 claims
- 2546US7417822B2Magnetic information medium recording/reproducing deviceNIDEC SANKYO CORP·Filed 2005·Granted Aug 26, 2008·0 cites·13 claims
- 2645US7967285B2Card sending deviceNIDEC SANKYO CORP·Filed 2007·Granted Jun 28, 2011·0 cites·3 claims
- 2744US10586134B2Card issuing deviceNIDEC SANKYO CORP·Filed 2018·Granted Mar 10, 2020·0 cites·22 claims
- 2844US2022207248A1Card reader and transaction apparatusNIDEC SANKYO CORP·Filed 2021·Application pending·0 cites
- 2941US9090369B2Label sticking apparatusOHTA KEIJI·Filed 2011·Granted Jul 28, 2015·0 cites·18 claims
- 3041US7775517B2Card collection mechanism and card issuing deviceNIDEC SANKYO CORP·Filed 2007·Granted Aug 17, 2010·1 cites·11 claims
- 3141US2018218180A1Attaching structure of card processing unit and card issuing deviceNIDEC SANKYO CORP·Filed 2018·Application pending·0 cites
- 3240US11724903B2Card processing deviceNIDEC SANKYO CORP·Filed 2017·Granted Aug 15, 2023·0 cites·8 claims
- 3340US10682867B2Card processing deviceNIDEC SANKYO CORP·Filed 2017·Granted Jun 16, 2020·0 cites·4 claims
- 3440US10635953B2Card feed-out deviceNIDEC SANKYO CORP·Filed 2016·Granted Apr 28, 2020·0 cites·20 claims
- 3538US8292176B2Card processing deviceOHTA KEIJI·Filed 2008·Granted Oct 23, 2012·0 cites·17 claims
- 3637US9117101B2Medium processing apparatus and control method for medium processing apparatusTATAI TOSHIO·Filed 2012·Granted Aug 25, 2015·0 cites·13 claims
- 3728US7128934B1Drink-extracting bag equipped with holding elementYAMANAKA SANGYO KK·Filed 1998·Granted Oct 31, 2006·9 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →