Inventor

IWATA AKIHIKO

JP90 patents

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

IWATA AKIHIKO

MITSUBISHI ELECTRIC CORP

Power converting device

Power conversion apparatus

Power conversion apparatus

Method of driving plasma display panel

Power supply for microwave discharge light source

Switching power supply for gas laser

Battery power circuit and automobile battery power circuit

High intensity discharge lamp ballast apparatus

Method of driving plasma display panel, plasma display device and driving device for plasma display panel

Method of driving plasma display panel, plasma display device and driving device for plasma display panel

Device and method for driving address electrode of surface discharge type plasma display panel

Power supply for microwave discharge light source

Power supply for microwave discharge light source

Plasma apparatus

Arc welding power source with response delay compensating control

Pulsed power supply device

Switch device for laser

Discharge lamp lighting device

Plasma-generation power-supply device

DC/DC power converting apparatus

Power conversion apparatus

DC/DC power conversion device

Power converting apparatus

Display apparatus

Gas discharge lamp lighting device

Power conversion apparatus and air-conditioning apparatus including the power conversion apparatus

Wire electric discharge machining apparatus and wire electric discharge machining method

Ballast apparatus and ballasting method of high intensity discharge lamp

Apparatus for electric discharge machining

Semiconductor switching device

Voltage fluctuation compensating apparatus

Semiconductor switching devices

Electrolysis gas converter and electric device using same

Display device including display panel using AC discharge

Semiconductor switching apparatus

Optical pulse waveform shaper

Metal vapor laser

Power converter

Boost converter with flying capacitor and refrigeration circuit

Redundancy circuit for series-connected diodes

Voltage fluctuation compensating apparatus

Electrical discharge machining apparatus supplying initial and processing currents

IWATA AKIHIKO

DC to AC power converting apparatus

Power converting apparatus including half-bridge inverters connected between positive and negative terminals of a DC power supply

Power conversion apparatus

YAMADA MASAKI

Power conversion apparatus

OKUDA TATSUYA

Power conversion apparatus

MORI OSAMU

AC-DC power converting apparatus having sub-converters connected in series between main converter and AC power supply

TAKESHITA MIYUKI

Rectifier with less conduction loss than a diode

KISHIDA YUKIMORI

Power converting apparatus with main converter and sub-converter