P

Inventor

KOYANAGI HARUO

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

NISSAN MOTOR

3 patents
US4926544AMay 22, 1990

Production system using unmanned automatically guided vehicles

NISSAN MOTOR43 citations91
US3964026AJun 15, 1976

Sequence block display system

NISSAN MOTOR41 citations89
US5404530AApr 4, 1995

Information managing apparatus

NISSAN MOTOR9 citations72

MITSUBISHI ELECTRIC CORP

3 patents
US3952944AApr 27, 1976

Device for automatically monitoring the operating states of controlled objects in a sequence control system

MITSUBISHI ELECTRIC CORP9 citations71
US3944987AMar 16, 1976

Digital logical sequence controller

MITSUBISHI ELECTRIC CORP14 citations71
US4107663AAug 15, 1978

Operation state display apparatus

MITSUBISHI ELECTRIC CORP4 citations60

HITACHI LTD

3 patents
US4316260AFeb 16, 1982

Sequence display controlling method and controller

HITACHI LTD18 citations70
US4298958ANov 3, 1981

Sequence control system

HITACHI LTD14 citations70
US4339794AJul 13, 1982

Method and system for controlling input/output in process control

HITACHI LTD10 citations69