Inventor · disambiguated record
Jun Nakai
Also filed as: NAKAI JUN · NAKAI JUN-ICHI
60 granted patents·15 pending applications·611 citations·filing 1984–2025
98Inventor score
Files withKYOCERA DOCUMENT SOLUTIONS INC25PANASONIC IP MAN CO LTD8TOSHIBA MEMORY CORP7KYOCERA MITA CORP6MITSUBISHI ELECTRIC CORP6
Top patents by PatentIndex Score
75 records- 0197US11062777B2Nonvolatile semiconductor memory device which performs improved erase operationTOSHIBA MEMORY CORP·Filed 2020·Granted Jul 13, 2021·4 cites·28 claims
- 0296US9754672B2Nonvolatile semiconductor memory device which performs improved erase operationTOSHIBA MEMORY CORP·Filed 2016·Granted Sep 5, 2017·13 cites·37 claims
- 0396US8559236B2Nonvolatile semiconductor memory device which performs improved erase operationNAKAI JUN·Filed 2011·Granted Oct 15, 2013·26 cites·6 claims
- 0495US9025390B2Nonvolatile semiconductor memory device which performs improved erase operationTOSHIBA KK·Filed 2013·Granted May 5, 2015·13 cites·12 claims
- 0594US9437308B2Nonvolatile semiconductor memory device which performs improved erase operationTOSHIBA KK·Filed 2015·Granted Sep 6, 2016·10 cites·10 claims
- 0693US5239412ASolid image pickup device having microlensesSHARP KK·Filed 1991·Granted Aug 24, 1993·206 cites·14 claims
- 0790US9400469B2Image forming apparatus and method of warning life of charging roller in image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Jul 26, 2016·4 cites·9 claims
- 0889US9354561B1Image forming apparatus and light guide memberKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted May 31, 2016·4 cites·10 claims
- 0989US4837802ARadio communication method and systemSONY CORP·Filed 1987·Granted Jun 6, 1989·92 cites·6 claims
- 1089US4697212AMethod and apparatus for recording a digital information signalSONY CORP·Filed 1984·Granted Sep 29, 1987·39 cites·6 claims
- 1188US7551507B2Power supply circuit and semiconductor memoryTOSHIBA KK·Filed 2007·Granted Jun 23, 2009·18 cites·8 claims
- 1287US11664077B2Nonvolatile semiconductor memory device which performs improved erase operationKIOXIA CORP·Filed 2021·Granted May 30, 2023·1 cites·11 claims
- 1386US10685715B2Nonvolatile semiconductor memory device which performs improved erase operationTOSHIBA MEMORY CORP·Filed 2018·Granted Jun 16, 2020·3 cites·12 claims
- 1486US2024420774A1Nonvolatile semiconductor memory device which performs improved erase operationKIOXIA CORP·Filed 2024·Application pending·0 cites
- 1584US10157675B2Nonvolatile semiconductor memory device which performs improved erase operationTOSHIBA MEMORY CORP·Filed 2017·Granted Dec 18, 2018·3 cites·14 claims
- 1682US6385115B1Semiconductor memory device with sense amplifier power supply configuration capable of supplying stable power supply voltage to sense amplifiersMITSUBISHI ELECTRIC CORP·Filed 2000·Granted May 7, 2002·32 cites·16 claims
- 1781US12080354B2Nonvolatile semiconductor memory device which performs improved erase operationKIOXIA CORP·Filed 2023·Granted Sep 3, 2024·0 cites·10 claims
- 1879US7017090B2Semiconductor module including semiconductor memory device shiftable to test mode as well as semiconductor memory device used thereinRENESAS TECH CORP·Filed 2002·Granted Mar 21, 2006·34 cites·17 claims
- 1978US8542214B2Image display deviceNAKAI JUN·Filed 2010·Granted Sep 24, 2013·9 cites·7 claims
- 2077US11330144B2Image forming method with calibration processing, and non-transitory computer-readable recording medium having stored thereon image forming program of the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2020·Granted May 10, 2022·1 cites·3 claims
- 2176US9052681B2Static eliminating device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Jun 9, 2015·2 cites·10 claims
- 2273US7742358B2Power supply circuit and semiconductor memoryTOSHIBA KK·Filed 2009·Granted Jun 22, 2010·7 cites·2 claims
- 2371US9201381B2Image forming apparatus, light guide member, and electricity removing deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Dec 1, 2015·1 cites·7 claims
- 2471US8743170B2Optical scanning apparatus and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Jun 3, 2014·1 cites·3 claims
- 2570US10163517B2Semiconductor memory device and memory system configured to perform tracking read on first memory cells followed by shift read on second memory cells using read voltage correction value determined during the tracking readTOSHIBA MEMORY CORP·Filed 2017·Granted Dec 25, 2018·2 cites·17 claims
- 2669US2025224689A1Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 2767US12267626B2Parking support apparatus, parking support method and recording mediumPANASONIC IP MAN CO LTD·Filed 2023·Granted Apr 1, 2025·0 cites·10 claims
- 2867US9141072B2Image forming apparatus and image deletion reducing methodKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Sep 22, 2015·1 cites·10 claims
- 2966US11458978B2Drive assist method, drive assist program, and vehicle control devicePANASONIC IP MAN CO LTD·Filed 2019·Granted Oct 4, 2022·1 cites·12 claims
- 3066US8654173B2Optical scanning apparatus and image forming apparatusNAKANO ISSEI·Filed 2010·Granted Feb 18, 2014·1 cites·9 claims
- 3163USRE47829EImage forming apparatus and light guide memberKYOCERA DOCUMENT SOLUTIONS INC·Filed 2018·Granted Jan 28, 2020·0 cites·12 claims
- 3263US5956281ASemiconductor memory device capable of setting substrate voltage shallow in disturb test mode and self refresh modeMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Sep 21, 1999·22 cites·7 claims
- 3360US11467523B2Image forming apparatus that calculates inclination of approximate straight line, approximating relation between toner density and developing current, using different mathematical expressions depending on whether three toner patches or four or more toner patches are providedKYOCERA DOCUMENT SOLUTIONS INC·Filed 2021·Granted Oct 11, 2022·0 cites·7 claims
- 3459US7034858B2LED array exposure device, controlling method thereof, and image forming apparatus using the sameKYOCERA MITA CORP·Filed 2003·Granted Apr 25, 2006·7 cites·21 claims
- 3557US11480890B2Image forming apparatus and image forming system capable of calculating actual development current using blank portion current and measuring development currentKYOCERA DOCUMENT SOLUTIONS INC·Filed 2021·Granted Oct 25, 2022·0 cites·8 claims
- 3657US9471026B2Image forming apparatus and light guide memberKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Oct 18, 2016·0 cites·9 claims
- 3757US9377946B2On-board apparatusPANASONIC CORP·Filed 2013·Granted Jun 28, 2016·1 cites·5 claims
- 3856US6249462B1Data output circuit that can drive output data speedily and semiconductor memory device including such a data output circuitMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Jun 19, 2001·9 cites·16 claims
- 3956US5530397AReference voltage generating circuit of semiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Jun 25, 1996·17 cites·7 claims
- 4055US9014591B2Charging device, and image forming apparatus including the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Apr 21, 2015·0 cites·6 claims
- 4153US12436382B2Laser scanning unit and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2024·Granted Oct 7, 2025·0 cites·3 claims
- 4253US5694365ASemiconductor memory device capable of setting the magnitude of substrate voltage in accordance with the modeMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Dec 2, 1997·14 cites·14 claims
- 4352US9104168B2Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Aug 11, 2015·0 cites·11 claims
- 4450US12159323B2Vehicle monitoring apparatus, vehicle monitoring system, and vehicle monitoring methodPANASONIC IP MAN CO LTD·Filed 2022·Granted Dec 3, 2024·0 cites·19 claims
- 4550US10852658B2Optical scanning device and image forming apparatus including the optical scanning deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2019·Granted Dec 1, 2020·0 cites·4 claims
- 4649US11592922B2Input device and sound output systemPANASONIC IP MAN CO LTD·Filed 2020·Granted Feb 28, 2023·0 cites·17 claims
- 4749US10643715B2Semiconductor memory device and memory system configured to perform tracking read on first memory cells followed by shift read on second memory cells using read voltage correction value determined during the tracking readTOSHIBA MEMORY CORP·Filed 2018·Granted May 5, 2020·0 cites·16 claims
- 4847US7903354B2Optical scanning device and image forming apparatus having the sameKYOCERA MITA CORP·Filed 2007·Granted Mar 8, 2011·0 cites·4 claims
- 4947US5123043ARadio communication method and systemSONY CORP·Filed 1989·Granted Jun 16, 1992·8 cites·5 claims
- 5047US2007159657A1Image forming apparatusKYOCERA MITA CORP·Filed 2007·Application pending·0 cites
Showing the top 50 of 75 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →