P

Inventor

KAWAMURA TAKESHI

JP64 patents
⚠️ This page may combine multiple inventors who share the name “KAWAMURA TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

13 patents
US6615002B2Sep 2, 2003

Image forming apparatus and process cartridge for applying an alternating current to a charging member or charging means for charging an image bearing member

CANON KK25 citations93
US7254350B2Aug 7, 2007

Image forming apparatus featuring a variable oscillating electric field formed between a developer carrying member and an image bearing member during a developer operation in accordance with a peripheral speed of the image bearing member

CANON KK24 citations92
US7031629B2Apr 18, 2006

Image forming apparatus which recovers toner by developing device

CANON KK20 citations92
US7991315B2Aug 2, 2011

Developing apparatus and image forming apparatus including the same

CANON KK10 citations84
US6965743B2Nov 15, 2005

Developing apparatus

CANON KK16 citations84
US6898393B2May 24, 2005

Image forming apparatus with transfer member and charging member cleaning feature

CANON KK12 citations84
US6738593B2May 18, 2004

Developing device with developer bearing member overlying developer containing chamber

CANON KK19 citations84
US7483644B2Jan 27, 2009

Image forming apparatus and high voltage power thereof

CANON KK9 citations83
US7962057B2Jun 14, 2011

Developing apparatus

CANON KK5 citations74
US7415230B2Aug 19, 2008

Developing apparatus featuring an insulating or electrically floating jumping developer regulation member

CANON KK8 citations74
US6766132B2Jul 20, 2004

Developing device

CANON KK9 citations74
US6721527B2Apr 13, 2004

Developing apparatus including a developer compression-avoidance feature and image forming apparatus using same

CANON KK12 citations72
US6546214B2Apr 8, 2003

Image forming apparatus comprising storing means for storing a parameter regarding an accumulation operation amount of the apparatus or of a cartridge detachably mountable to the apparatus

CANON KK5 citations63

RENESAS ELECTRONICS CORP

7 patents

SANDISK TECHNOLOGIES LLC

5 patents

SONY CORP

4 patents

SUMITOMO ELECTRIC INDUSTRIES

4 patents

EBARA CORP

4 patents

YAMAMOTO SHINYA

4 patents

KANEKA CORP

2 patents

KAWAMURA TAKESHI

2 patents

HEWLETT PACKARD DEVELOPMENT CO

2 patents

NISSAN MOTOR

1 patent

SHARP KK

1 patent

IMAMURA YUKINOBU

1 patent

Showing the top 50 of 64 patents by PatentIndex Score.