Inventor

HIRATA AKIO

JP30 patents

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

HIRATA AKIO

TOSHIBA KK

Multiple inverter system

Power converter with voltage drive switching device monitored by device parameters and electric parameters

Parallel connection of different types of AC power supplies of differing capacities

Uninterruptible power supply diagnosing remaining battery capacity during normal external power source operation

Turbine helper drive apparatus

AC motor control method and its control apparatus

Load-commutated inverter for operating synchronous motor

Helper drive apparatus for turbine drive system

Turbine helper drive apparatus

Control system for an AC motor

TOKYO SHIBAURA ELECTRIC CO

Control systems of alternating current motors

Method and apparatus for controlling alternating current motors

Frequency converters

Control system of alternating current motors

Synchronous motor control

Speed control method for AC motors and an apparatus for the control

Power converting device and a protection device for the same

Controlling device for a brushless motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Flip-flop circuit

Scan flip flop, semiconductor device, and production method of semiconductor device

Level shifter having automatic delay adjusting function

Clock supply circuit

Semiconductor memory and semiconductor integrated circuit

Flip-flop circuit

PANASONIC CORP

Enabling higher operation speed and/or lower power consumption in a semiconductor integrated circuit device

Method for collecting droplet attached on external surface of needle into capillary tube

NUVOTON TECHNOLOGY CORP JAPAN

Semiconductor device

PANASONIC IP MAN CO LTD

Wakeup receiver

HIRATA AKIO

Device for controlling a plurality of converters

KOWA CO

Cell fusion promoter and utilization of the same