Inventor

OKA TATEKI

JP59 patents

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

OKA TATEKI

MINOLTA CAMERA KK

Developing apparatus including a partitioning arrangement for partitioning the toner accommodating tank

Copying apparatus

Toner handling apparatus for electro-photographic copying machines

Method of forming composite images

Volume detecting device

Magnetic brush development apparatus for use in electrophotographic copying machine

Dry process developing apparatus for use in electrophotographic copying machine

Image fixing device for image forming apparatus including means for locally heating inner wall of fixing means at location corresponding to nip

Copier machines

Method of controlling replenishment of toners

Magnetic brush developing apparatus

Dry process developing method and device employed therefore

Electrographic developing material and developing method employing said developing material

Image forming apparatus

Contact type charging device having voltage limiter

Electric charge supplying device and system employing the same

Developing bias power unit for use in an image forming apparatus

Device for conveying developer in a developing device

Developing device with electrically floating developing roller

Color image forming apparatus

Method for forming multi-color images

Developing apparatus with image quality control

Developing apparatus with variable developing bias voltage

Method for the formation of outline images corresponding to the peripheral outlines of document&#39;s images

Electrophotographic copying method and apparatus

Developing apparatus for use in image-forming system and developing process employing said developing apparatus

Method of forming composite images

Dry process for developing electrostatic latent images with a developer comprising two kinds of magnetic carriers having different physical structure

Method of controlling toner concentration for electrophotographic copying apparatus

Magnetic brush developing apparatus

Toner concentration detection by measuring current created by transfer of carrier component to non-image areas of image support surface

Toner image transfer type electrographic copying machine

Magnetic brush developing apparatus

Electrographic copying machine of powder image transfer type

Copy paper separating method for use in electrophotographic copying apparatus

Magnetic brush developing method for use in electrography employing dual-component developing material

Magnetic brush developing apparatus

Dry process developing material for electrophotography

Dry process developing method employing magnetic toner

Image forming apparatus having a plurality of developing devices

Image forming apparatus having a removal means for separating developers

Image forming apparatus having developing devices which use different size toner particles

Developing device having a space for receiving and increasing pressure of toner received therein

Electrophotographic image forming apparatus

Developing apparatus having a bucket roller with movable buckets

Electrographic developing method

Electrophotographic copying apparatus

MINOLTA CO LTD

Developing apparatus including an AC voltage applying device

Developing device having a bias-controlled toner discharging member

Fixing device having a temperature control system

Method for the formation of outline images corresponding to the peripheral outlines of document's images