Inventor
TAKENAKA EIJI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “TAKENAKA EIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
25 patentsUS6033818AMar 7, 2000
Developing device for an image forming apparatus
RICOH KK53 citations96
US5879752AMar 9, 1999
Method of coating a toner conveyor roller
RICOH KK62 citations96
US5845183ADec 1, 1998
Developing device for an image forming apparatus
RICOH KK52 citations96
US5826144AOct 20, 1998
Developing device for an electrophotographic recording apparatus including bias control of a toner supplying roller
RICOH KK68 citations96
US5768665AJun 16, 1998
Image forming apparatus with bias control to prevent undesirable toner deposition
RICOH KK58 citations96
US5708942AJan 13, 1998
Developing device for an image forming apparatus
RICOH KK53 citations96
US5697026ADec 9, 1997
Developing device having the lengths of two toner transporting rollers and an image bearing member in specific relationships
RICOH KK62 citations96
US5625440AApr 29, 1997
Developing device having seals between a toner transport roller and the toner hopper which prevent toner leakage and scattering
RICOH KK64 citations96
US5625438AApr 29, 1997
Toner, and devices for electrostatically depositing a uniform application thereof
RICOH KK40 citations96
US5625441AApr 29, 1997
Developing device for an image forming apparatus
RICOH KK54 citations96
US5617191AApr 1, 1997
Toner conveyor roller and image forming apparatus having the same
RICOH KK84 citations96
US5489747AFeb 6, 1996
Developing device for an image forming apparatus
RICOH KK73 citations96
US5486909AJan 23, 1996
Developing device for an image forming apparatus
RICOH KK56 citations96
US5666625ASep 9, 1997
Device for electrostatically developing a latent image on an image carrier
RICOH KK62 citations95
US5897243AApr 27, 1999
Electrophotographic recording apparatus configured to switch a bias voltage in a developing unit
RICOH KK49 citations92
US5863036AJan 26, 1999
Sheet feeding device and image forming apparatus having the same
RICOH KK45 citations92
US5552870ASep 3, 1996
Developing device for an image forming apparatus
RICOH KK39 citations92
US6131902AOct 17, 2000
Sheet feeding paths for apparatus with feed paths selectable to correspond to desired function of apparatus
RICOH KK14 citations74
US5915157AJun 22, 1999
Sheet transport system and apparatus for an image-forming apparatus with crossing sheet transport paths
RICOH KK14 citations74
US5617190AApr 1, 1997
Developing device for an image forming apparatus which reduces toner consumption and waste
RICOH KK13 citations74
US5610693AMar 11, 1997
Developing device for an image forming apparatus
RICOH KK16 citations74
US5623717AApr 22, 1997
Developing device for an image forming apparatus which uses bias voltages to attract charged toner
RICOH KK7 citations73
US5268766ADec 7, 1993
Facsimile apparatus with two different sized paper supply rolls having timer/counter to choose primary supply roll to prevent curling
RICOH KK11 citations71
US4926191AMay 15, 1990
Image recording apparatus and method of carrying out initializing process in image recording apparatus
RICOH KK15 citations69
US5327197AJul 5, 1994
Electrophotographic apparatus
RICOH KK3 citations62
FUJIKURA LTD
4 patentsUS7246655B2Jul 24, 2007
Heat transfer device
FUJIKURA LTD59 citations96
US7540319B2Jun 2, 2009
Heat transfer device
FUJIKURA LTD18 citations91
US12529718B2Jan 20, 2026
Evaluation device of radio communication module
FUJIKURA LTD0 citations49
US12092675B2Sep 17, 2024
Evaluation device of radio communication module
FUJIKURA LTD0 citations49