P

Inventor

KOYAMA SHOICHI

JP33 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA SHOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

15 patents
US7095964B2Aug 22, 2006

Image forming apparatus determining an indicating level of a utilized amount of a developing apparatus and a control method thereof

CANON KK29 citations92
US5923939AJul 13, 1999

Image forming apparatus employing intermediary transfer member

CANON KK21 citations92
US7196804B2Mar 27, 2007

Image processing apparatus and method, and storage medium used therewith

CANON KK8 citations74
US11203496B2Dec 21, 2021

Image forming apparatus

CANON KK3 citations72
US6173138B1Jan 9, 2001

Developing apparatus and image forming apparatus

CANON KK4 citations63
US10274881B2Apr 30, 2019

Image forming apparatus including paper dust collecting and optical detection

CANON KK0 citations52
US9201372B2Dec 1, 2015

Recording-material identifying apparatus and image forming apparatus

CANON KK0 citations52
US9186906B2Nov 17, 2015

Recording-medium imaging device and image forming apparatus

CANON KK0 citations52
US9164456B2Oct 20, 2015

Image forming apparatus

CANON KK1 citations52
US9098042B2Aug 4, 2015

Recording material detection apparatus and image forming apparatus

CANON KK0 citations52
US8971738B2Mar 3, 2015

Recording medium imaging device and image forming apparatus

CANON KK0 citations52
US8918000B2Dec 23, 2014

Recording material detection apparatus and image forming apparatus

CANON KK0 citations52
US8908193B2Dec 9, 2014

Recording sheet surface detection apparatus and image forming apparatus

CANON KK0 citations52
US8798489B2Aug 5, 2014

Recording-medium imaging device and image forming apparatus

CANON KK0 citations52
US10698352B2Jun 30, 2020

Fixing apparatus

CANON KK0 citations42

ALPS ELECTRIC CO LTD

3 patents

FUKUI MASAHIRO

3 patents

ISHIDA TSUTOMU

2 patents

JTEKT CORP

2 patents

EBIHARA SHUN-ICHI

2 patents

MATSUSHITA ELECTRIC WORKS LTD

1 patent

HONDA MOTOR CO LTD

1 patent

NAKAMURA TOMOHARU

1 patent

MATSUI NORIO

1 patent

PANASONIC IP MAN CO LTD

1 patent

KOYAMA SHOICHI

1 patent