Inventor · disambiguated record
Kohta Sakaya
Also filed as: SAKAYA KOHTA
27 granted patents·44 citations·filing 2008–2022
94Inventor score
Top patents by PatentIndex Score
27 records- 0191US8867942B2Lever switcher with mechanism for minimizing mechanical shock and sound and fixing device and image forming apparatus incorporating lever switcherIKEDA TAMOTSU·Filed 2012·Granted Oct 21, 2014·6 cites·20 claims
- 0290US9740147B2Separator, fixing device, and image forming apparatusFUJIWARA HITOSHI·Filed 2016·Granted Aug 22, 2017·5 cites·17 claims
- 0386US8090303B2Image forming apparatusHAYASHI MASAYUKI·Filed 2009·Granted Jan 3, 2012·9 cites·9 claims
- 0485US9690231B2Toner container, developing device, process cartridge, and image forming apparatus that include an operating member to move a shutter for a toner outlet via a linking memberYOSHIDA TOMOFUMI·Filed 2014·Granted Jun 27, 2017·2 cites·31 claims
- 0583US8107864B2Separating member, fixing device, and image forming apparatusSAITO OSAMU·Filed 2008·Granted Jan 31, 2012·7 cites·13 claims
- 0679US9261816B2Developer amount detector, developing device, process unit, and image forming apparatusSAKAYA KOHTA·Filed 2014·Granted Feb 16, 2016·2 cites·20 claims
- 0774US8498560B2Fixing device and image forming apparatus using this fixing deviceSAKAYA KOHTA·Filed 2008·Granted Jul 30, 2013·4 cites·17 claims
- 0873US8594519B2Image forming apparatus and toner supply methodNAKATAKE NAOKI·Filed 2011·Granted Nov 26, 2013·2 cites·11 claims
- 0971US11231664B2Toner container having a shutter, a lever disposed on one side, and a pivoting portion on the other side which rotate together with a common shaftRICOH CO LTD·Filed 2020·Granted Jan 25, 2022·0 cites·10 claims
- 1071US10564572B2Toner container with an operating structure disposed on a first side, and a shutter disposed on a second sideRICOH CO LTD·Filed 2019·Granted Feb 18, 2020·0 cites·20 claims
- 1170US8483583B2Image forming apparatus and toner supply methodTAKEHARA ATSUSHI·Filed 2011·Granted Jul 9, 2013·2 cites·10 claims
- 1268US10915040B2Toner container with an operating structure disposed on a first side, a shutter disposed on a second side, and a lockRICOH CO LTD·Filed 2019·Granted Feb 9, 2021·0 cites·16 claims
- 1368US10365584B2Toner container, developing device, process cartridge, and image forming apparatus that include a toner container contacting surface to contact with a developing device engagement releasing structureRICOH CO LTD·Filed 2018·Granted Jul 30, 2019·0 cites·19 claims
- 1467US8699929B2Guide device with mechanism capable of minimizing damage to toner image and recording medium and fixing device and image forming apparatus incorporating sameSAKAYA KOHTA·Filed 2012·Granted Apr 15, 2014·1 cites·15 claims
- 1566US8503892B2Developing unit, image forming apparatus, and process cartridgeSAKAYA KOHTA·Filed 2011·Granted Aug 6, 2013·1 cites·18 claims
- 1664US10025227B2Toner container, developing device, process cartridge, and image forming apparatus that include a toner container contacting surface to contact with a developing device engagement releasing structureYOSHIDA TOMOFUMI·Filed 2017·Granted Jul 17, 2018·0 cites·16 claims
- 1763US11868064B2Image forming apparatus with a toner conveying device having a reverse-flow conveying portionSAKAYA KOHTA·Filed 2022·Granted Jan 9, 2024·0 cites·8 claims
- 1860US8874021B2Media guide mechanism, fixing device and image forming apparatus incorporating sameSAKAYA KOHTA·Filed 2012·Granted Oct 28, 2014·1 cites·17 claims
- 1953US8200134B2Double-sided one pass image forming apparatusHAMAHASHI SHUNSUKE·Filed 2009·Granted Jun 12, 2012·1 cites·16 claims
- 2052US9188901B2Image forming apparatus including a covered retracting mechanismNAKAMURA KENJI·Filed 2013·Granted Nov 17, 2015·0 cites·11 claims
- 2151US10025228B2Collecting member to collect image forming powderSAKAYA KOHTA·Filed 2015·Granted Jul 17, 2018·0 cites·20 claims
- 2247US9217953B2Developing device, and image forming apparatus and process unit incorporating sameSAKAYA KOHTA·Filed 2014·Granted Dec 22, 2015·0 cites·20 claims
- 2343US8837998B2Fixing device with guide member having multiple spurs and image forming apparatus incorporating sameSAKAYA KOHTA·Filed 2009·Granted Sep 16, 2014·0 cites·19 claims
- 2443US8688015B2Development device, processing unit and image forming apparatusFUJITA TETSUMARU·Filed 2011·Granted Apr 1, 2014·0 cites·20 claims
- 2540US9116476B2Fixing device and image forming apparatusTAKAHASHI YOSHIHARU·Filed 2011·Granted Aug 25, 2015·0 cites·17 claims
- 2631US8364051B2Fixing device and image forming apparatus including sameRICOH CO LTD·Filed 2010·Granted Jan 29, 2013·0 cites·20 claims
- 2722USD740357SPowder containerARASAWA SHINICHI·Filed 2014·Granted Oct 6, 2015·1 cites·1 claims
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