P

Inventor

YAMANE MASAYUKI

JP92 patents
⚠️ This page may combine multiple inventors who share the name “YAMANE MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

23 patents
US6522855B1Feb 18, 2003

Image forming apparatus and developing apparatus preventing uneven image density

RICOH KK161 citations99
US6337957B1Jan 8, 2002

Image forming apparatus and developing device with improved self toner density control

RICOH KK191 citations99
US7706699B2Apr 27, 2010

Toner container and image forming apparatus

RICOH KK84 citations98
USD599845SSep 8, 2009

Toner cartridge

RICOH KK58 citations98
US7184691B2Feb 27, 2007

Toner container, toner supply device and image forming apparatus

RICOH KK81 citations98
US6198895B1Mar 6, 2001

Developing device with improved developer circulation and toner density control

RICOH KK133 citations98
US7822371B2Oct 26, 2010

Toner container and image forming apparatus

RICOH KK77 citations97
US7702262B2Apr 20, 2010

Toner container including a container body with a gripper at the end thereof, and associated method

RICOH KK67 citations97
US7720417B2May 18, 2010

Toner container and image forming apparatus

RICOH KK36 citations96
US7826777B2Nov 2, 2010

Toner container and image forming apparatus having first and second biasing elements that bias the toner container

RICOH KK26 citations93
USD602519SOct 20, 2009

Toner cartridge

RICOH KK21 citations93
US7574162B2Aug 11, 2009

Toner container, and image forming apparatus

RICOH KK23 citations93
USD591336SApr 28, 2009

Toner cartridge

RICOH KK21 citations93
USD607045SDec 29, 2009

Toner cartridge

RICOH KK19 citations92
USD606583SDec 22, 2009

Toner cartridge holder

RICOH KK22 citations92
USD598949SAug 25, 2009

Toner cartridge holder

RICOH KK17 citations92
US7577379B2Aug 18, 2009

Toner container, toner supply device and image forming apparatus

RICOH KK42 citations92
US6873814B2Mar 29, 2005

Developing device using a two-ingredient type developer and image forming apparatus including the same

RICOH KK36 citations92
US6856774B2Feb 15, 2005

Developing device including magnetic member provided on toner-scattering restraining device and image forming apparatus including the developing device

RICOH KK26 citations92
USD607044SDec 29, 2009

Toner cartridge

RICOH KK10 citations84
USD600275SSep 15, 2009

Toner cartridge

RICOH KK9 citations84
USD596225SJul 14, 2009

Toner cartridge

RICOH KK11 citations84
USD598490SAug 18, 2009

Toner cartridge

RICOH KK7 citations73

RICOH CO LTD

12 patents

TAKAHASHI YASUFUMI

3 patents

TAGUCHI NOBUYUKI

2 patents

NEC CORP

2 patents

YAMANE MASAYUKI

2 patents

UNIV ROCHESTER

1 patent

OOYOSHI HIROBUMI

1 patent

OLYMPUS OPTICAL CO

1 patent

TOKYO INST TECH

1 patent

KASEI OPTNIX LTD

1 patent

ISHIDA SEISAKUSHO

1 patent

Showing the top 50 of 92 patents by PatentIndex Score.