Inventor

AMANO HISAO

JP18 patents

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

AMANO HISAO

HITACHI LTD

Semiconductor switching device having plural MOSFET&#39;s, GTO&#39;s or the like connected in series

Switching power supply

Switching power supply

DC Power transmission control

Voltage resonance type switching power source apparatus

Pulse width modulated inverter with high-to-low frequency output converter

Current and frequency converter having means to reduce switching losses

Gate circuit for thyristors

D.C. Power supply

Gate circuit for gate turn-off thyristor

Gate circuit for gate turn-off thyristor

Gate circuit for a gate turn-off thyristor

Gate controlling apparatus for a thyristor valve

Semiconductor device with floating remote gate turn-off means

Power supply apparatus for resistance welder including means for preventing polarized transformer excitation

TOYODA AUTOMATIC LOOM WORKS

Method of piecing a yarn in an open-end spinning machine

Method and apparatus for yarn piecing in a ringless spinning machine

Apparatus for spinning fasciated yarn

Semiconductor switching device having plural MOSFET's, GTO's or the like connected in series