P

Inventor

TATEYAMA SUSUMU

JP40 patents
⚠️ This page may combine multiple inventors who share the name “TATEYAMA SUSUMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH CO LTD

11 patents
US7904001B2Mar 8, 2011

Developing unit, process cartridge, and image forming apparatus having a plurality of conveyor members, a supply part, and a discharge part

RICOH CO LTD7 citations84
US8374528B2Feb 12, 2013

Developing device, process cartridge, and image forming apparatus that house a developing agent for forming an image

RICOH CO LTD2 citations63
US8045900B2Oct 25, 2011

Developing device, process cartridge, and image forming apparatus that house a developing agent for forming an image

RICOH CO LTD3 citations63
US8041269B2Oct 18, 2011

Development apparatus having two developer bearers and two development chambers

RICOH CO LTD4 citations63
US8010020B2Aug 30, 2011

Developing device and image forming apparatus equipped with the same

RICOH CO LTD2 citations63
US11953843B2Apr 9, 2024

Powder container, powder supply device, and image forming apparatus including same

RICOH CO LTD0 citations62
US11422483B2Aug 23, 2022

Powder container, powder supply device, and image forming apparatus including same

RICOH CO LTD0 citations62
US8027623B2Sep 27, 2011

Developing device, process cartridge, and image forming apparatus having a discharge port facing a section of a transport member without a screw part

RICOH CO LTD3 citations60
US8014706B2Sep 6, 2011

Developing device, process cartridge, and image forming apparatus

RICOH CO LTD1 citations52
US10871729B2Dec 22, 2020

Powder container, powder supply device, and image forming apparatus including same

RICOH CO LTD0 citations51
US10606187B2Mar 31, 2020

Powder container, powder supply device, and image forming apparatus including same

RICOH CO LTD0 citations51

RICOH KK

5 patents

IKEDA KEISUKE

5 patents

NODERA KENTARO

4 patents

HIRASAWA TOMOYASU

3 patents

SUZUKI YUJI

2 patents

MIYAGAWA HIROAKI

2 patents

TATEYAMA SUSUMU

2 patents

RICOH PRINTING SYS LTD

2 patents

HITACHI LTD

1 patent

HITACHI KOKI KK

1 patent

FUJIYA HIROMITSU

1 patent

KOSHIZUKA SHINNOSUKE

1 patent