Inventor

AIZAWA TATSUO

55 patents

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

AIZAWA TATSUO

MITA INDUSTRIAL CO LTD

Magnetic dry developer for electrostatic photography and process for preparation thereof

Magnetic developer for electrostatic photography and process for preparation thereof

Method for preparing original for projection and transfer film for electrostatic photography for use in carrying out said method

Method for developing electrostatic latent images

Electrographic method for preparing original for projection and transfer film for use in method

Electrostatic copying process and apparatus

Developer for electrostatic photography and process for preparation thereof

Electrostatic copying process

Pressure-fixing magnetic developer containing hydrogenated polystyrene binder for electrostatic photography and process for preparation thereof

Contact heat fixing device

Transfer sheet with toner-receiving layer of thermoplastic and thermosetting polymers

Apparatus for causing a developer powder to make an irregular motion in a developing zone

Electrophotographic process of developing and transfering images uses fluorine containing offset preventing agent in developer

Electrostatic photographic copying machine

Thermosensitive recording material

Method of removing residual toner from surface of photoconductive member for use in electrostatic copying apparatus of the transfer type

Corona discharge device with grid grounded via non-linear bias element

Developer for electrophotography and process for preparation thereof

Plate for lithography or offset printing

Developer for electrophotography and process for preparation thereof

Cleaning process for an electrostatic copying apparatus

Coated magnetic developer particles for electrophotography containing vinyl and olefin resins

Electrophotographic process, of transferring a magnetic toner to a copy member having at least 3×1013 ohm-cm resistance

Electrophotographic photosensitive material suitable for offset printing and lithography and process for production thereof

Electrostatic photographic copying apparatus

Apparatus for preventing successive jamming of copy sheets in copying apparatus

Copying machine in which, paper jamming at copying paper cutting mechanism is prevented

Electrostatic copying apparatus having copy paper cut length control

Electrostatic photographic copying apparatus

Electrostatic copying machine

Process for electrophotographic copying by transfer of electrostatic images

Process for preparation of a transfer sheet for electrostatic photography or printing

Pressure or heated roller electrophoto image fixing uses halogen or nitrile containing polymer dispersed within resin binder as offset prevent toner

Laminated photosensitive material for electrophotography

Photosensitive material for electrophotography having a polyvinyl carbazole derivative, phthalocyanine, and an electron-acceptor

Diazo-type multicolor reproduction process

Treating agent for diazo-type multicolor reproduction

Photosensitive material in use for diazo-type multicolor reproduction

Method of and means for synchronously transferring original and copying paper for electrostatic photoduplication

Electrostatic photographic copying machine

Liquid developer

Compact optical system for an electrostatic photographic copying apparatus

Copying machine of the diazo type

Method for transferring toner image

Transfer sheet and process for preparation thereof

Method and apparatus for developing latent electrostatic images

Photosensitive paper for electrophotography with an electrically conductive coating of a fluorine resin

Electrostatic copying apparatus

MATSUMOTO SHOJI

Electrostatic copying process and apparatus

WASHIO TAKAJI

Electrophotographic copying machine