Inventor
NAGAI KOICHI
JP82 patents
⚠️ This page may combine multiple inventors who share the name “NAGAI KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
13 patentsUS7369475B2May 6, 2008
Optical disc, information playback apparatus, information playback method, and information recording method
TOSHIBA KK80 citations98
US5721723AFeb 24, 1998
Objective lens driving device, data recording device, and data reproducing device, all having driver force selectively 120 tutine and positioning the objective lenses
TOSHIBA KK25 citations91
US9304685B2Apr 5, 2016
Storage array system and non-transitory recording medium storing control program
TOSHIBA KK7 citations84
US9064108B2Jun 23, 2015
Storage device, storage system, and authentication method
TOSHIBA KK12 citations84
US6968563B2Nov 22, 2005
Optical head
TOSHIBA KK8 citations74
US5982564ANov 9, 1999
Objective lens driving apparatus
TOSHIBA KK10 citations74
US5500843AMar 19, 1996
Information processing apparatus with movable spindle shafts
TOSHIBA KK12 citations74
US9619170B2Apr 11, 2017
Information processing system having a data migration log
TOSHIBA KK4 citations73
US9275947B2Mar 1, 2016
Semiconductor device and semiconductor package having a plurality of differential signal balls
TOSHIBA KK6 citations72
US9704593B2Jul 11, 2017
Data storage device including nonvolatile memory in which on/off state of power source voltage is controlled
TOSHIBA KK2 citations71
US5745470AApr 28, 1998
Head moving apparatus which cancels leakage flux
TOSHIBA KK10 citations69
US7768900B2Aug 3, 2010
Information storage medium, information recording method, and information reproducing method
TOSHIBA KK2 citations63
US7436741B2Oct 14, 2008
Optical disc unit, optical disc recording method, and optical disc
TOSHIBA KK3 citations63
JUJO PAPER CO LTD
5 patentsUS4478910AOct 23, 1984
Ink jet recording paper
JUJO PAPER CO LTD96 citations96
US4650714AMar 17, 1987
Ink jet recording sheet
JUJO PAPER CO LTD19 citations82
US4139675AFeb 13, 1979
Recording paper with resin-containing recording layer and heat sensitive adhesion layer
JUJO PAPER CO LTD21 citations79
US4490435ADec 25, 1984
Thermal dye-transfer type recording sheet
JUJO PAPER CO LTD6 citations72
US4567114AJan 28, 1986
Thermal dye-transfer type recording sheet
JUJO PAPER CO LTD15 citations71
SUMITOMO CHEMICAL CO
5 patentsUS5602280AFeb 11, 1997
Process for production of unsaturated aldehyde and unsaturated carboxylic acid
SUMITOMO CHEMICAL CO44 citations89
US7612007B2Nov 3, 2009
Process for regenerating catalyst
SUMITOMO CHEMICAL CO11 citations81
US5030776AJul 9, 1991
Process for producing nitrobenzenes
SUMITOMO CHEMICAL CO10 citations73
US5004846AApr 2, 1991
Process for producing nitrobenzenes
SUMITOMO CHEMICAL CO16 citations73
US4306088ADec 15, 1981
Production of methacrolein
SUMITOMO CHEMICAL CO12 citations73
KIOXIA CORP
5 patentsUS11269558B2Mar 8, 2022
Memory system and method of controlling nonvolatile memory
KIOXIA CORP6 citations86
US11704069B2Jul 18, 2023
Memory system and method of controlling nonvolatile memory
KIOXIA CORP4 citations75
US12321629B2Jun 3, 2025
Memory system and control method
KIOXIA CORP0 citations63
US12056399B2Aug 6, 2024
Memory system and method of controlling nonvolatile memory
KIOXIA CORP0 citations63
US11586377B2Feb 21, 2023
Memory system and control method
KIOXIA CORP1 citations63
TOSHIBA MEMORY CORP
5 patentsUS10089027B2Oct 2, 2018
Information processing system
TOSHIBA MEMORY CORP5 citations84
US10090235B2Oct 2, 2018
Semiconductor device and semiconductor package
TOSHIBA MEMORY CORP2 citations72
US9911502B2Mar 6, 2018
Data storage device with nonvolatile memory
TOSHIBA MEMORY CORP2 citations71
US11232044B2Jan 25, 2022
Data storage apparatus, data processing system, and data processing method
TOSHIBA MEMORY CORP0 citations63
US10509735B2Dec 17, 2019
Data storage apparatus, data processing system, and data processing method
TOSHIBA MEMORY CORP1 citations63
DENSO CORP
3 patentsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD
3 patentsUS6736291B1May 18, 2004
Viscous material application apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations92
US6402011B1Jun 11, 2002
Reflow method and reflow device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations90
US6145734ANov 14, 2000
Reflow method and reflow device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations90
NAGAI KOICHI
3 patentsUS8782804B2Jul 15, 2014
Storage device, storage system, and authentication method
NAGAI KOICHI11 citations83
US9201784B2Dec 1, 2015
Semiconductor storage device and method for controlling nonvolatile semiconductor memory
NAGAI KOICHI4 citations72
US9081943B2Jul 14, 2015
Storage device, protection method, and electronic apparatus
NAGAI KOICHI5 citations72
MORI MASATO
2 patentsPANASONIC IP MAN CO LTD
2 patentsPANASONIC CORP
1 patentKANEGAFUCHI CHEMICAL IND
1 patentHORIBA LTD
1 patentMIURA NAOKI
1 patentShowing the top 50 of 82 patents by PatentIndex Score.