Inventor
FURUYA TADASHI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “FURUYA TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
18 patentsUS5809379ASep 15, 1998
Electrophotography having photosensitive member with charge blocking overlayer
CANON KK32 citations92
US5708932AJan 13, 1998
Charging system and electrophotography apparatus
CANON KK21 citations92
US5485248AJan 16, 1996
Image forming apparatus having a contact charger for varying a charge applied to a photosensitive drum based on a resistance of the photosensitive layer
CANON KK45 citations92
US6118952ASep 12, 2000
Image forming apparatus that detects image forming condition
CANON KK16 citations84
US6301459B1Oct 9, 2001
Charging apparatus with first and second charging members
CANON KK13 citations82
US6061539AMay 9, 2000
Charging member, charging device and image forming apparatus
CANON KK13 citations82
US6301455B1Oct 9, 2001
Charging member, charging device and image forming apparatus wherein deposition of magnetic particles to a member to be charged is effectively prevented
CANON KK8 citations74
US5754927AMay 19, 1998
Magnetic charging brush having particular magnetic fields
CANON KK8 citations74
US5729802AMar 17, 1998
Contact charger for charging a photosensitive member
CANON KK15 citations74
US5666192ASep 9, 1997
Charging member and image forming apparatus
CANON KK11 citations74
US5659852AAug 19, 1997
Image forming method, image forming apparatus and process cartridge
CANON KK17 citations74
US5579095ANov 26, 1996
Charging device
CANON KK16 citations74
US5499080AMar 12, 1996
Image forming apparatus having a voltage controlled contact charger
CANON KK17 citations73
US5384626AJan 24, 1995
Charging member, process cartridge and image forming apparatus
CANON KK16 citations73
US6507719B2Jan 14, 2003
Image forming apparatus with pre-exposed image bearing body
CANON KK6 citations63
US6157800ADec 5, 2000
Charging device using a magnetic brush contactable to a member to be charged and image forming apparatus using same
CANON KK3 citations63
US5587773ADec 24, 1996
Electrophotographic apparatus for performing image exposure and development simultaneously
CANON KK2 citations61
US5963762AOct 5, 1999
Electrophotographic apparatus performing image exposure and development simultaneously
CANON KK4 citations60
PROTERIAL LTD
3 patentsUS11786967B2Oct 17, 2023
Composite member manufacturing method and composite member
PROTERIAL LTD0 citations62
US11713496B2Aug 1, 2023
Powder material, powder material for additive manufacturing, and method for producing powder material
PROTERIAL LTD0 citations61
US12539540B2Feb 3, 2026
Cemented carbide composite material, method for producing same, and cemented carbide tool
PROTERIAL LTD0 citations50