Inventor

UKAI YOSHIKAZU

JP19 patents

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

UKAI YOSHIKAZU

MITSUBISHI ELECTRIC CORP

Wire electrical discharge machining apparatus

Power supply for wire electric discharge machining

Wire electric discharge machining apparatus and wire electric discharge machining method

Power supply system for applying a voltage of both positive and negative polarities in electric discharge machining

Wire-discharge machining apparatus

Power supply unit for wire electrical discharge machining and method of wire electrical discharge machining

Electrical discharge machining apparatus supplying initial and processing currents

Wire electric discharge machine with stored discharge energy threshold function

Apparatus for machining a workpiece using wire discharge including an upper and lower power supply unit

Electric discharge machining device that applies a voltage pulse between a processing electrode and a workpiece

IBIDEN CO LTD

Printed wiring board having throughole and annular lands

Soldering member for printed wiring boards

Method of manufacturing a printed wiring board having a previously formed opening hole in an innerlayer conductor circuit

HASHIMOTO TAKASHI

High-frequency power source device

Electric discharge machining apparatus and electric discarge machining method

Power supply circuit for wire electric discharge machining apparatus

ONODERA YASUO

Wire electrical discharge machining apparatus

Numerical control device, wire electric discharge machining apparatus using the same, and wire electric discharge machining method using the same

OKI ELECTRIC CABLE

Electrode wire for electrical discharge machining and method of manufacturing electrode wire for electrical discharge machining