Inventor · disambiguated record
Naoki Oikawa
Also filed as: OIKAWA NAOKI
25 granted patents·123 citations·filing 2009–2024
95Inventor score
Top patents by PatentIndex Score
25 records- 0197US12043508B2Medium processing apparatus and image forming system incorporating sameOIKAWA NAOKI·Filed 2023·Granted Jul 23, 2024·7 cites·4 claims
- 0293US8556232B2Linear solenoid and valve device using the sameOIKAWA NAOKI·Filed 2010·Granted Oct 15, 2013·16 cites·8 claims
- 0392US8424859B2Creasing apparatus and image forming systemISHIKAWA NAOYUKI·Filed 2011·Granted Apr 23, 2013·10 cites·12 claims
- 0491US12428249B2Sheet feeding device and image forming apparatus incorporating the sameOIKAWA NAOKI·Filed 2024·Granted Sep 30, 2025·1 cites·9 claims
- 0589US8585014B2Linear solenoid and valve device using the sameOIKAWA NAOKI·Filed 2010·Granted Nov 19, 2013·10 cites·13 claims
- 0689US8413974B2Creasing device and image forming systemSHIBASAKI YUUSUKE·Filed 2011·Granted Apr 9, 2013·5 cites·8 claims
- 0788US8387964B2Creasing device and image forming systemSAITO TAKASHI·Filed 2011·Granted Mar 5, 2013·7 cites·12 claims
- 0887US8465012B2Creasing device and image forming systemISHIKAWA NAOYUKI·Filed 2011·Granted Jun 18, 2013·7 cites·10 claims
- 0987US8419003B2Creasing device and image forming systemKOJIMA HIDETOSHI·Filed 2011·Granted Apr 16, 2013·7 cites·7 claims
- 1086US8397759B2Electromagnetic spool valveOIKAWA NAOKI·Filed 2009·Granted Mar 19, 2013·16 cites·4 claims
- 1183US8528891B2Creasing device and image forming systemAIBA GO·Filed 2011·Granted Sep 10, 2013·7 cites·4 claims
- 1282US8480069B2Sheet processing apparatus and image forming systemSHIBASAKI YUUSUKE·Filed 2011·Granted Jul 9, 2013·5 cites·9 claims
- 1381US8490957B2Creasing apparatus and image forming systemNAGASAKO SHUUYA·Filed 2011·Granted Jul 23, 2013·6 cites·13 claims
- 1481US8322701B2Image forming apparatusHATTORI HITOSHI·Filed 2010·Granted Dec 4, 2012·6 cites·7 claims
- 1579US11390475B2Sheet separation device and image forming apparatus incorporating sameWARAGAI RYUHEI·Filed 2020·Granted Jul 19, 2022·2 cites·12 claims
- 1671US11519519B2Channel selector valveHITACHI ASTEMO LTD·Filed 2020·Granted Dec 6, 2022·1 cites·4 claims
- 1771US9562868B2Combustion experimental apparatusMARUTA KAORU·Filed 2011·Granted Feb 7, 2017·2 cites·11 claims
- 1870US10801494B2Hydraulic control apparatus and hydraulic control methodYAMADA MFG CO LTD·Filed 2018·Granted Oct 13, 2020·1 cites·5 claims
- 1968US8413976B2Image forming system, sheet finisher, and folding methodHATTORI HITOSHI·Filed 2011·Granted Apr 9, 2013·2 cites·10 claims
- 2067US8333371B2Creasing device and image forming systemKIKKAWA NAOHIRO·Filed 2010·Granted Dec 18, 2012·2 cites·8 claims
- 2163US9494247B2Fluid pressure control deviceKEIHIN CORP·Filed 2015·Granted Nov 15, 2016·2 cites·4 claims
- 2253US9126783B2Image forming apparatusOIKAWA NAOKI·Filed 2014·Granted Sep 8, 2015·1 cites·10 claims
- 2346US11498795B2Sheet stacking tray, sheet stacking apparatus, and image forming systemSHINODA ATSUSHI·Filed 2021·Granted Nov 15, 2022·0 cites·9 claims
- 2443US11793229B2Device and method for producing foamed food productTOHO ACETYLENE CO LTD·Filed 2022·Granted Oct 24, 2023·0 cites·7 claims
- 2532US9517903B2Paper feeding device and image forming apparatusYOSHIDA ATSUNORI·Filed 2014·Granted Dec 13, 2016·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →