P

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 patents
US5809379ASep 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 patents

KANEBO LTD

2 patents

HITACHI METALS LTD

2 patents

CANON KABUSHIKI KASHIA

1 patent

NIPPON ELECTRIC CO

1 patent

NISSAN DIESEL MOTOR CO

1 patent