P

Inventor

SUGANO AKIRA

JP17 patents
⚠️ This page may combine multiple inventors who share the name “SUGANO AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

16 patents
US4942514AJul 17, 1990

Process monitoring and control system and method of process monitoring and control

HITACHI LTD204 citations98
US5311421AMay 10, 1994

Process control method and system for performing control of a controlled system by use of a neural network

HITACHI LTD311 citations97
US5479358ADec 26, 1995

Urban energy system for controlling an energy plant supplying energy to a community

HITACHI LTD97 citations96
US5268835ADec 7, 1993

Process controller for controlling a process to a target state

HITACHI LTD122 citations96
US4577270AMar 18, 1986

Plant control method

HITACHI LTD58 citations95
US4347564AAug 31, 1982

Hierarchical-structure plant control system

HITACHI LTD81 citations94
US5258652ANov 2, 1993

Distributed plant control system

HITACHI LTD29 citations92
US4707778ANov 17, 1987

Controller for heat power plant

HITACHI LTD30 citations91
US4619224AOct 28, 1986

Apparatus for controlling drum water level of drum type boiler

HITACHI LTD46 citations91
US4592293AJun 3, 1986

Method of controlling an air heater of a coal-fired boiler

HITACHI LTD46 citations90
US5392208AFeb 21, 1995

Plant control system and method for displaying control circuit thereof

HITACHI LTD31 citations89
US4582026AApr 15, 1986

Feed-forward type automatic control system

HITACHI LTD12 citations73
US4653276AMar 31, 1987

Automatic control system for thermal power plant

HITACHI LTD15 citations71
US3942088AMar 2, 1976

Proportional-integral circuit having means for change-over between automatic mode and handling mode

HITACHI LTD9 citations62
US4794512ADec 27, 1988

Digital controlling device

HITACHI LTD2 citations61
USRE35776EApr 28, 1998

Automatic control system for thermal power plant

HITACHI LTD6 citations60

SANYO ELECTRIC CO

1 patent