Inventor
KATO JUNICHI
JP130 patents
⚠️ This page may combine multiple inventors who share the name “KATO JUNICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
24 patentsUS6337964B2Jan 8, 2002
Agitating member, developing apparatus and process cartridge
CANON KK84 citations98
US6128462AOct 3, 2000
Cleaning member, image forming apparatus provided with a cleaning blade member, and process cartridge detachably attachable on the image forming apparatus
CANON KK55 citations96
US5765077AJun 9, 1998
Charging member, charging device and process cartridge detachably mountable to image forming apparatus
CANON KK52 citations96
US5066979ANov 19, 1991
Color image forming apparatus wherein plural colors can be formed through one printing cycle
CANON KK33 citations93
US6317574B1Nov 13, 2001
Charging member, process cartridge, and image forming apparatus
CANON KK21 citations92
US6175703B1Jan 16, 2001
Image forming apparatus and process cartridge
CANON KK40 citations92
US6169869B1Jan 2, 2001
Image forming apparatus and process cartridge
CANON KK32 citations92
US6163663ADec 19, 2000
Image forming apparatus using a developer of a given polarity and an externally added additive of an opposite polarity
CANON KK29 citations92
US5995785ANov 30, 1999
Image forming apparatus having a mechanism for preventing stripping off of a lubricant from a cleaning blade
CANON KK22 citations92
US5790927AAug 4, 1998
Charging member and process cartridge having same
CANON KK31 citations92
US5682585AOct 28, 1997
Developing apparatus generating electric field between developer carrying member and developer layer regulating member
CANON KK32 citations92
US5543899AAug 6, 1996
Charging member having a foamed layer of a material with specified density and pore properties, charging device, process cartridge and image forming apparatus featuring the charging member
CANON KK27 citations92
US5519472AMay 21, 1996
Developing apparatus using elastic blade
CANON KK46 citations92
US5455603AOct 3, 1995
Image forming apparatus with feeder control based on pixel conversion status
CANON KK26 citations92
US5353104AOct 4, 1994
Defining member for defining thickness of one-component developer and developing device equipped with it
CANON KK51 citations92
US5264902ANov 23, 1993
Image forming device
CANON KK40 citations92
US5038174AAug 6, 1991
Image forming apparatus having a ventilated image forming unit
CANON KK30 citations92
US5646718AJul 8, 1997
Cleaning blade for use in electrophotography, process cartridge and image forming apparatus
CANON KK36 citations90
US5463410AOct 31, 1995
Image recording apparatus using optical beam
CANON KK26 citations90
US6539190B2Mar 25, 2003
Process cartridge and image forming apparatus comprising charging means including a charge member and electroconductive particles
CANON KK18 citations84
US5412480AMay 2, 1995
Image forming apparatus with fixer temperature control
CANON KK15 citations82
US6778791B2Aug 17, 2004
Image forming apparatus having charging rotatable member
CANON KK7 citations74
US6434349B1Aug 13, 2002
Image forming apparatus
CANON KK7 citations74
US6038414AMar 14, 2000
Developing apparatus with magnetic seals for preventing toner leakage
CANON KK15 citations74
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
19 patentsUS6392525B1May 21, 2002
Magnetic element and method of manufacturing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD243 citations99
US7219416B2May 22, 2007
Method of manufacturing a magnetic element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD38 citations96
US6888435B2May 3, 2005
Composite magnetic body, and magnetic element and method of manufacturing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD61 citations96
US6784782B2Aug 31, 2004
Composite magnetic body, and magnetic element and method of manufacturing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD49 citations96
US6051860AApr 18, 2000
Nonvolatile semiconductor memory device and method for fabricating the same and semiconductor integrated circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD50 citations96
US6661328B2Dec 9, 2003
Composite magnetic body, and magnetic element and method of manufacturing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations93
US6380585B1Apr 30, 2002
Nonvolatile semiconductor device capable of increased electron injection efficiency
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations93
US6358799B2Mar 19, 2002
Nonvolatile semiconductor memory device and method for fabricating the same, and semiconductor integrated circuit device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations93
US6184553B1Feb 6, 2001
Nonvolatile semiconductor memory device and method for fabricating the same, and semiconductor integrated circuit device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations93
US6147379ANov 14, 2000
Semiconductor device and method for fabricating the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations93
US6121655ASep 19, 2000
Nonvolatile semiconductor memory device and method for fabricating the same and semiconductor integrated circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations93
US5036424AJul 30, 1991
Multilayer ceramic capacitive element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations92
US4586972AMay 6, 1986
Method for making multilayer ceramic body
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations91
US6521069B1Feb 18, 2003
Green sheet and manufacturing method thereof, manufacturing method of multi-layer wiring board, and manufacturing method of double-sided wiring board
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations74
US6514427B2Feb 4, 2003
Piezoelectric ceramic composition and piezoelectric element containing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US6227051B1May 8, 2001
Acceleration sensor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations74
US6050144AApr 18, 2000
Acceleration sensor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
US5929727AJul 27, 1999
Dielectric resonator, method for manufacturing the same, filter and communication apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74
US5824616AOct 20, 1998
Dielectric ceramic compositions
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
TOYOTA MOTOR CO LTD
1 patent(unassigned)
1 patentJAPAN PREC INSTR INC
1 patentFANUC LTD
1 patentNETUREN CO LTD
1 patentNIHON SEIMITSU SOKKI CO LTD
1 patentMATSUSHITA ELECTRONICS CORP
1 patentShowing the top 50 of 130 patents by PatentIndex Score.