Inventor

Akira Sugano

Inventor

Katsuta, JP

Overview

16→

Patents

1976–1998

Patent span

Physics

Primary field (CPC G)

Patents· 16 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G05Bprimary

G05BControl or regulating systems in general24%

F01KSteam engine plants9%

G06FElectric digital data processing9%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%

F22BMethods of steam generation6%

G05DSystems for controlling or regulating non-electric variables6%

H02JElectric power networks6%

Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

F22DPreheating, or accumulating preheated, feed-water for steam generation3%

PatentTitleYear

RE035776'Automatic control system for thermal power plant'1998 5,479,358'Urban energy system for controlling an energy plant supplying energy to a community'1995 5,392,208'Plant control system and method for displaying control circuit thereof'1995 5,311,421'Process control method and system for performing control of a controlled system by use of a neural network'1994 5,268,835'Process controller for controlling a process to a target state'1993 5,258,652'Distributed plant control system'1993 4,942,514'Process monitoring and control system and method of process monitoring and control'1990 4,794,512'Digital controlling device'1988 4,707,778'Controller for heat power plant'1987 4,653,276'Automatic control system for thermal power plant'1987 4,619,224'Apparatus for controlling drum water level of drum type boiler'1986 4,592,293'Method of controlling an air heater of a coal-fired boiler'1986 4,582,026'Feed-forward type automatic control system'1986 4,577,270'Plant control method'1986 4,347,564'Hierarchical-structure plant control system'1982 3,942,088'Proportional-integral circuit having means for change-over between automatic mode and handling mode'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1998Patents assigned to HITACHI LTD (16)· patent assignee history

1976–1986Based in Hitachi, JP· patent location history

1986–1998Patents assigned to HITACHI ENG CO LTD (5)· patent assignee history

1986–1998Based in Katsuta, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	16	1976–1998
HITACHI ENG CO LTD	5	1986–1998

Locations

Location	Patents	Span
Katsuta, JP	13	1986–1998
Hitachi, JP	3	1976–1986