P

Inventor

NISHIO YUKIO

JP24 patents
⚠️ This page may combine multiple inventors who share the name “NISHIO YUKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJITSU LTD

15 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
US5548382AAug 20, 1996

Developing apparatus for improving the durability of the latent image holding member

FUJITSU LTD21 citations92
US5412458AMay 2, 1995

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

FUJITSU LTD23 citations92
US5325163AJun 28, 1994

Cartridge type developer supplier and developing device formed as exchangeable unit

FUJITSU LTD31 citations92
US5241343AAug 31, 1993

Conductive foam rubber roller used in image formation apparatus such as electrophotographic apparatus

FUJITSU LTD45 citations92
US5220129AJun 15, 1993

Developing device used in electrophotographic field

FUJITSU LTD33 citations92
US5097294AMar 17, 1992

Developing device used in electrophotographic field with a one-component developer and having a blade member for developer layer thickness regulation

FUJITSU LTD25 citations92
US5068691ANov 26, 1991

Developing device with a controllable pressure release for the developing roller

FUJITSU LTD32 citations92
US5057871AOct 15, 1991

Developing device having a conductive porous toner-removing roller

FUJITSU LTD34 citations92
US5066978ANov 19, 1991

Image forming apparatus having an exchangeable unit exchange timing indicating device

FUJITSU LTD46 citations91
US5076201ADec 31, 1991

Developing device used in electrophotographic field and method of producing developing roller incorporated therein

FUJITSU LTD22 citations88
US5062385ANov 5, 1991

Open-cell foam developing roller

FUJITSU LTD36 citations86
US5045885ASep 3, 1991

Link mechanism provided between an upper frame and a lower frame of an image forming apparatus

FUJITSU LTD9 citations74
US5164773ANov 17, 1992

Developing device used in electrophotographic field

FUJITSU LTD19 citations73
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

YAZAKI CORP

8 patents

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent