P

Inventor

ISHII HIROKAZU

JP93 patents
⚠️ This page may combine multiple inventors who share the name “ISHII HIROKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

14 patents
US5631725AMay 20, 1997

Image transfer device for an image forming apparatus

RICOH KK57 citations96
US5812919ASep 22, 1998

Image transferring device for an image forming apparatus

RICOH KK74 citations95
US6778802B2Aug 17, 2004

Image transferring and sheet separating device and image forming apparatus including the same

RICOH KK19 citations93
US6282386B1Aug 28, 2001

Transfer-conveyance device and method capable of controlling transfer bias according to change in environmental condition

RICOH KK46 citations93
US6188862B1Feb 13, 2001

Image forming apparatus preventing toner adhesion onto transfer member

RICOH KK37 citations93
US5822667AOct 13, 1998

Transfer separator

RICOH KK38 citations92
US5515146AMay 7, 1996

Apparatus and method for cleaning a belt of an image forming apparatus

RICOH KK42 citations89
US5930573AJul 27, 1999

Image forming apparatus and image transferring device thereof having conveying member with selected surface resistivity

RICOH KK39 citations87
US7409182B2Aug 5, 2008

Brush member and transfer device and image forming apparatus using the same

RICOH KK9 citations84
US6895209B2May 17, 2005

Cleaning device and image forming apparatus using the same

RICOH KK15 citations84
US6813467B2Nov 2, 2004

Image forming apparatus

RICOH KK15 citations84
US6961535B2Nov 1, 2005

Image forming apparatus

RICOH KK7 citations74
US6697583B2Feb 24, 2004

Image forming method and image forming device using same

RICOH KK10 citations74
US7184678B2Feb 27, 2007

Image forming apparatus with improved separatability of transfer material

RICOH KK9 citations71

CANON KK

11 patents

TANAKA SHINYA

4 patents

ISHII HIROKAZU

3 patents

SAMSUNG DISPLAY CO LTD

3 patents

PILOT KK

2 patents

SUGIURA KENJI

2 patents

JAPAN AEROSPACE EXPLORATION

1 patent

NAKAMURA KEIGO

1 patent

MIZUTANI TAKEHIDE

1 patent

MIMBU RYUUICHI

1 patent

RICOH CO LTD

1 patent

SHIMIZU YASUNOBU

1 patent

NAGATA ATSUSHI

1 patent

WADA YUUJI

1 patent

OHSUGI TATSUYA

1 patent

KOCHI NAOTO

1 patent

KATO TSUTOMU

1 patent

Showing the top 50 of 93 patents by PatentIndex Score.