Inventor
UEMURA TETSUYA
JP50 patents
⚠️ This page may combine multiple inventors who share the name “UEMURA TETSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POWDERTECH CO LTD
19 patentsUS7521163B2Apr 21, 2009
Resin-coated ferrite carrier for electrophotographic developer, its production method, and electrophotographic developer using the resin-coated ferrite carrier
POWDERTECH CO LTD7 citations73
US10754271B2Aug 25, 2020
Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, and developer
POWDERTECH CO LTD2 citations72
US12455516B2Oct 28, 2025
Ferrite particle, carrier core material for electrophotographic developer, carrier for electrophotographic developer, and electrophotographic developer
POWDERTECH CO LTD0 citations63
US12436480B2Oct 7, 2025
Ferrite particles, electrophotographic developer carrier core material, electrophotographic developer carrier, and electrophotographic developer
POWDERTECH CO LTD0 citations63
US12422763B2Sep 23, 2025
Ferrite particles, electrophotographic developer carrier core material, electrophotographic developer carrier, and electrophotographic developer
POWDERTECH CO LTD0 citations63
US12386281B2Aug 12, 2025
Ferrite particles, electrophotographic developer carrier core material, electrophotographic developer carrier, and electrophotographic developer
POWDERTECH CO LTD0 citations63
US12253825B2Mar 18, 2025
Ferrite particles, electrophotographic developer carrier core material, electrophotographic developer carrier, and electrophotographic developer
POWDERTECH CO LTD0 citations63
US11099495B2Aug 24, 2021
Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, developer, method for producing magnetic core material for electrophotographic developer, method for producing carrier for electrophotographic developer, and method for producing developer
POWDERTECH CO LTD0 citations62
US10996576B2May 4, 2021
Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, and developer
POWDERTECH CO LTD0 citations62
US10996579B2May 4, 2021
Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, and developer
POWDERTECH CO LTD0 citations62
US10969706B2Apr 6, 2021
Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, and developer
POWDERTECH CO LTD0 citations62
US6071663AJun 6, 2000
Carrier for electrophotographic development and electrophotographic developer containing the same
POWDERTECH CO LTD3 citations61
US11029618B2Jun 8, 2021
Carrier, electrophotographic developer and production method of carrier
POWDERTECH CO LTD1 citations58
US11150569B2Oct 19, 2021
Ferrite carrier core material for electrophotographic developer, carrier for electrophotographic developer, and developer
POWDERTECH CO LTD0 citations57
US9329515B2May 3, 2016
Resin-coated carrier for electrophotographic developer and electrophotographic developer using the resin-coated carrier
POWDERTECH CO LTD0 citations52
US11422480B2Aug 23, 2022
Ferrite carrier core material for electrophotographic developer, ferrite carrier, manufacturing method thereof, and electrophotographic developer using said ferrite
POWDERTECH CO LTD0 citations51
US12204280B2Jan 21, 2025
Carrier, xerographic developer, and carrier production method
POWDERTECH CO LTD0 citations48
US10248039B2Apr 2, 2019
Carrier, electrophotographic developer, and method of manufacturing carrier
POWDERTECH CO LTD0 citations46
US10036982B2Jul 31, 2018
Carrier and electrophotographic developer using the carrier
POWDERTECH CO LTD0 citations41
HITACHI LTD
11 patentsUS7222259B2May 22, 2007
Disk array system and failure recovering control method
HITACHI LTD18 citations93
US7587426B2Sep 8, 2009
System and method for virtualizing a distributed network storage as a single-view file system
HITACHI LTD30 citations92
US7171687B2Jan 30, 2007
Contents distribution apparatus
HITACHI LTD25 citations92
US6191647B1Feb 20, 2001
Low noise integrated circuit device for reducing a noise on LSI power supply nets to supply electric charges required to operate IC
HITACHI LTD48 citations91
US7865537B2Jan 4, 2011
File sharing system and file sharing method
HITACHI LTD15 citations84
US7305605B2Dec 4, 2007
Storage system
HITACHI LTD11 citations84
US7174360B2Feb 6, 2007
Method for forming virtual network storage
HITACHI LTD18 citations84
US7472122B2Dec 30, 2008
Computer system and method for managing file versions
HITACHI LTD9 citations83
US7424639B2Sep 9, 2008
Disk array system and failure recovering control method
HITACHI LTD8 citations74
US7167958B2Jan 23, 2007
Second storage system equipped with security system and a method of controlling the second storage system
HITACHI LTD9 citations74
US6832292B2Dec 14, 2004
Multiple access storage system
HITACHI LTD2 citations63
HITACHI GLOBAL STORAGE TECH
7 patentsUS7408731B2Aug 5, 2008
Track allocation method of disk drive
HITACHI GLOBAL STORAGE TECH47 citations93
US7412585B2Aug 12, 2008
Method for controlling disk drive using an address translation table
HITACHI GLOBAL STORAGE TECH39 citations92
US7747810B2Jun 29, 2010
Address assigning method, disk drive, and data writing method
HITACHI GLOBAL STORAGE TECH3 citations63
US7577897B2Aug 18, 2009
Data integrity inspection support method for disk devices, and data integrity inspection method for disk devices
HITACHI GLOBAL STORAGE TECH2 citations63
US7433934B2Oct 7, 2008
Network storage virtualization method and system
HITACHI GLOBAL STORAGE TECH2 citations63
US7461219B2Dec 2, 2008
Disk drive and method for performing realtime processing and non-realtime processing simultaneously
HITACHI GLOBAL STORAGE TECH2 citations62
US7624275B2Nov 24, 2009
Disk drive, control method thereof and disk-falsification detection method
HITACHI GLOBAL STORAGE TECH0 citations52
NEC CORP
5 patentsUS5705827AJan 6, 1998
Tunnel transistor and method of manufacturing same
NEC CORP181 citations99
US6323708B1Nov 27, 2001
Flip-flop circuit
NEC CORP15 citations84
US5349202ASep 20, 1994
Tunneling transistor
NEC CORP11 citations74
US6765822B2Jul 20, 2004
Memory device
NEC CORP5 citations63
US6528828B2Mar 4, 2003
Differential negative resistance HBT and process for fabricating the same
NEC CORP6 citations63
TDK CORP
3 patentsUEMURA TETSUYA
3 patentsUS9098321B2Aug 4, 2015
Method and computer for controlling virtual machine
UEMURA TETSUYA2 citations60
US8541155B2Sep 24, 2013
Resin-coated carrier for electrophotographic developer, and electrophotographic developer
UEMURA TETSUYA1 citations50
US8073901B2Dec 6, 2011
Information update method and information update system
UEMURA TETSUYA0 citations39