P

Inventor

KAMAJI HIDEKI

JP17 patents
⚠️ This page may combine multiple inventors who share the name “KAMAJI HIDEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJITSU LTD

11 patents
US6175710B1Jan 16, 2001

Electrophotographic recording apparatus using developing device with one-component type developer and having combination of charge injection effect and conductive contact type charger

FUJITSU LTD87 citations97
US5412458AMay 2, 1995

Developing apparatus having leaf spring member for regulating mono-component developer layer

FUJITSU LTD23 citations92
US4979467ADec 25, 1990

Thin film formation apparatus

FUJITSU LTD25 citations92
US5489974AFeb 6, 1996

Image formation apparatus, developing device incorporated therein and conductive rubber roller used therein

FUJITSU LTD42 citations91
US5367367ANov 22, 1994

Toner supplying member in a developing device used in an image forming apparatus

FUJITSU LTD12 citations73
US5867758AFeb 2, 1999

Developer thickness-controlling blade and production process thereof as well as electrographic imaging device

FUJITSU LTD16 citations72
US5331383AJul 19, 1994

Conductive roller transfer device with improved transfer efficiency and pollution control

FUJITSU LTD10 citations72
US5232500AAug 3, 1993

One-component developing apparatus having a developer layer thickness regulating member with an edge machined along a direction parallel to the surface of a developer holder member

FUJITSU LTD12 citations72
US5848343ADec 8, 1998

Electrophotographic image-forming apparatus with uniform toner usage control

FUJITSU LTD10 citations71
US4777103AOct 11, 1988

Electrophotographic multi-layered photosensitive member having a top protective layer of hydrogenated amorphous silicon carbide and method for fabricating the same

FUJITSU LTD15 citations71
US6434356B1Aug 13, 2002

Recording apparatus responsive to changing electrical resistance of transfer media

FUJITSU LTD2 citations61

IGAWA HIROYUKI

5 patents

RICOH KK

1 patent