P

Inventor

MURATA JUN

US90 patents
⚠️ This page may combine multiple inventors who share the name “MURATA JUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

21 patents
US7962068B2Jun 14, 2011

Charging member, process cartridge and electrophotographic apparatus

CANON KK48 citations93
US6243552B1Jun 5, 2001

Charging member and image forming apparatus using the same

CANON KK21 citations93
US5766753AJun 16, 1998

Elastic member for electrophotography and electrophotographic device using the same

CANON KK20 citations93
US5751801AMay 12, 1998

Charging member with surface layer comprising polymers, and image forming apparatus using the same

CANON KK24 citations92
US5034777AJul 23, 1991

Transferring device having charging device with double oxide and voltage control

CANON KK40 citations92
US7693457B2Apr 6, 2010

Charging member, process cartridge, and electrophotographic apparatus

CANON KK43 citations91
US6023597AFeb 8, 2000

Cellular conductive roller with conductive powder filling open cells in the surface

CANON KK30 citations91
US6078778AJun 20, 2000

Electrifying member comprising an electrically conductive elastomer, and electrophotograph apparatus using said electrifying member

CANON KK17 citations84
US7664434B2Feb 16, 2010

Charging member, process cartridge and electrophotographic apparatus

CANON KK18 citations83
US5270768ADec 14, 1993

Charging member containing reduced titanium oxide and device using same

CANON KK20 citations82
US6951688B2Oct 4, 2005

Charging member, and image-forming apparatus and process cartridge which make use of the same

CANON KK11 citations74
US6559210B2May 6, 2003

Charging member and electrophotographic apparatus

CANON KK9 citations74
US6041209AMar 21, 2000

Charging member having an elastomeric member including an elastomeric material having a double oxide

CANON KK12 citations74
US5757508AMay 26, 1998

Charging member having an elastomeric member comprising an elastomeric material and a double oxide

CANON KK8 citations74
US5378526AJan 3, 1995

Elastic member for electrophotography

CANON KK13 citations74
US4981381AJan 1, 1991

Platen roller with composition giving increased durability

CANON KK13 citations74
US9186117B2Nov 17, 2015

X-ray imaging apparatus

CANON KK5 citations73
US9022650B2May 5, 2015

X-ray imaging apparatus

CANON KK6 citations73
US6001454ADec 14, 1999

Charging member and electrophotographic apparatus using the same

CANON KK14 citations73
US5824408AOct 20, 1998

White electroconductive coating composition and transfer material-carrying member

CANON KK8 citations72
US5819142AOct 6, 1998

Charging member and image-forming unit having the same

CANON KK16 citations72

HITACHI LTD

18 patents
US6737318B2May 18, 2004

Semiconductor integrated circuit device having switching misfet and capacitor element and method of producing the same, including wiring therefor and method of producing such wiring

HITACHI LTD105 citations99
US5629898AMay 13, 1997

Dynamic memory device, a memory module, and a method of refreshing a dynamic memory device

HITACHI LTD142 citations98
US5504029AApr 2, 1996

Method of producing semiconductor integrated circuit device having memory cell and peripheral circuit MISFETs

HITACHI LTD99 citations97
US5153685AOct 6, 1992

Semiconductor integrated circuit device having switching MISFET and capacitor element and method of producing the same, including wiring therefor and method of producing such wiring

HITACHI LTD72 citations96
US5804479ASep 8, 1998

Method for forming semiconductor integrated circuit device having a capacitor

HITACHI LTD58 citations95
US5734188AMar 31, 1998

Semiconductor integrated circuit, method of fabricating the same and apparatus for fabricating the same

HITACHI LTD73 citations95
US6620704B2Sep 16, 2003

Method of fabricating low stress semiconductor devices with thermal oxide isolation

HITACHI LTD13 citations92
US5930624AJul 27, 1999

Method of producing semiconductor integrated circuit device having switching MISFET and capacitor element including wiring

HITACHI LTD22 citations92
US5917211AJun 29, 1999

Semiconductor integrated circuit, method of fabricating the same and apparatus for fabricating the same

HITACHI LTD37 citations92
US5578849ANov 26, 1996

Semiconductor integrated circuit device including a memory device having memory cells with increased information storage capacitance

HITACHI LTD35 citations92
US5349218ASep 20, 1994

Semiconductor integrated circuit device including memory cells having a structure effective in suppression of leak current

HITACHI LTD36 citations92
US5268587ADec 7, 1993

Semiconductor integrated circuit device including a dielectric breakdown prevention circuit

HITACHI LTD29 citations92
US5264712ANov 23, 1993

Semiconductor integrated circuit, method of fabricating the same and apparatus for fabricating the same

HITACHI LTD27 citations92
US5081515AJan 14, 1992

Semiconductor integrated circuit device

HITACHI LTD25 citations92
US5732009AMar 24, 1998

Semiconductor integrated circuit device including a DRAM in which a cell selection transistor has a stabilized threshold voltage

HITACHI LTD33 citations91
US6060352AMay 9, 2000

Method of manufacturing semiconductor device with increased focus margin

HITACHI LTD16 citations83
US5753550AMay 19, 1998

Semiconductor integrated circuit device having switching MISFET and capacitor element and method of producing the same, including wiring therefor and method of producing such wiring

HITACHI LTD7 citations74
US5933724AAug 3, 1999

Method of manufacturing a semiconductor integrated circuit device using a photomask in which transmitted light beam intensities are controlled

HITACHI LTD11 citations73

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

4 patents

MURATA JUN

2 patents

KURODA NORIAKI

1 patent

TEXAS INSTRUMENTS INC

1 patent

HIATCHI LTD

1 patent

ITOH ATSUSHI

1 patent

PANASONIC CORP

1 patent

Showing the top 50 of 90 patents by PatentIndex Score.