Inventor

OKAMOTO YUKIO

JP53 patents

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

OKAMOTO YUKIO

HITACHI LTD

Microwave plasma production apparatus

Plasma ion source mass spectrometer for trace elements

Microwave plasma source apparatus

Microwave plasma production apparatus

Microwave induced plasma source

Plasma source mass spectrometer

Method for fabricating superconducting oxide thin films by activated reactive evaporation

Trace element spectrometry with plasma source

Mass spectrometer for analyzing ultra trace element using plasma ion source

Method and apparatus for analysis of gases using plasma

Mass spectrometer using plasma ion source

Method for fabricating superconducting materials and superconductive thin films

Gas-discharge display device

Gas discharge display panel and cathode used therein

Flat discharge panel using D.C. discharge, and method of driving the same

High sensitive element analyzing method and apparatus of the same

Plasma analyzer for trace element analysis

Gas discharge display apparatus

Driving method of gas-discharge display panel

Electron-acceleration type flatgas-discharge panel with internal memory functions and method of driving for same

Gas discharge display device

Driving apparatus for a gas discharge display panel

Gas discharge display apparatus capable of emphasis display

KONISHIROKU PHOTO IND

Electrostatic reproducing apparatus having an intermediate toner image transfer member

Recording apparatus having water vapor removing or preventing means

Cleaning roller intermediate transfer member

Recording apparatus for electrostatic images

Recording apparatus

Image forming apparatus

Toner control device

Image forming apparatus with improved image retainer cleaning means

Image forming apparatus having a developer deterioration detecting device

Method for transferring and fixing a toner image

Image recording apparatus with toner concentration detecting circuit

Color image processing apparatus

Developing electrophotographic image using magnets and magnetic material

Magnetic brush developing means

Corona charging apparatus

Residual toner cleaning apparatus for color image forming device

Image forming apparatus

Method of controlling developer toner density of developing device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Speaker and method of manufacturing the same

Speaker

Loudspeaker

Speaker

JAPAN AE POWER SYSTEMS CORP

Electron beam irradiation method, electron beam irradiation apparatus, and electron beam irradiation apparatus for open-mouthed container

SHOWA DENKO KK

Resin composition and a molded article utilizing it

SHINADA SHINICHI

Gas discharge display device

PANASONIC CORP

Loudspeaker

KONICA MINOLTA BUSINESS TECH

Method and apparatus for forming an image having uniform glossiness