Inventor

Toshio Furuhashi

Inventor

Mito, JP

Overview

1980–2003

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 26 as inventor

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

F02Dprimary

F02DControlling combustion engines26%

F02PIgnition, other than compression ignition, for internal-combustion engines26%

Y02TClimate change mitigation technologies related to transportation24%

A47JKitchen equipment7%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof7%

F02BInternal-combustion piston engines3%

F23DBurners2%

F23NRegulating or controlling combustion2%

G01PMeasuring linear or angular speed, acceleration, deceleration, or shock2%

G07CTime or attendance registers2%

PatentTitleYear

6,601,578'Liquid heating apparatus'2003 6,374,821'Liquid heating apparatus'2002 6,192,880'Liquid heating apparatus'2001 6,044,839'Liquid heating apparatus'2000 5,157,610'System and method of load sharing control for automobile'1992 5,088,916'Gas-air ratio control valve device for gas burners'1992 4,665,884'Ignition control apparatus for internal combustion engine'1987 4,593,663'Control apparatus for an internal combustion engine having a carburetor'1986 RE032156'Method and apparatus for controlling an internal combustion engine, particularly the starting up of the engine'1986 4,482,962'Engine control method'1984 4,462,378'Control apparatus for an internal combustion engine having a carburetor'1984 4,449,502'Control system for internal combustion engine'1984 4,367,531'Method and apparatus for controlling ignition timing of internal combustion engine'1983 4,366,541'Method and system for engine control'1982 4,337,513'Electronic type engine control method and apparatus'1982 4,337,512'Apparatus and method for controlling internal combustion engine'1982 4,335,689'Electronic type air/fuel ratio control system'1982 4,312,038'Electronic engine control apparatus having arrangement for detecting stopping of the engine'1982 4,310,888'Technique for controlling the starting operation of an electronic engine control apparatus'1982 4,298,941'Method for controlling an internal combustion engine'1981 4,296,722'Control apparatus for an internal combustion engine'1981 4,290,107'Electronic fuel control system for an internal combustion engine'1981 4,280,189'Input signal processor used in electronic engine control apparatus'1981 4,274,142'Apparatus for detecting revolutions of an internal combustion engine'1981 4,274,141'Method and apparatus for controlling an internal combustion engine, particularly the starting up of the engine'1981 4,190,027'Electronic spark timing advancing apparatus'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1992Patents assigned to HITACHI LTD (20)· patent assignee history

1980–1992Based in Mito, JP· patent location history

1981–1986Based in Ibaraki, JP· patent location history

1981Based in Tomobe, JP· patent location history

1992Patents assigned to EIKEN IND (1)· patent assignee history

1992–2003Based in Shizuoka, JP· patent location history

2000–2003Patents assigned to EIKEN IND CO LTD (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	20	1980–1992
EIKEN IND CO LTD	4	2000–2003
EIKEN IND	1	1992

Locations

Location	Patents	Span
Mito, JP	13	1980–1992
Ibaraki, JP	7	1981–1986
Shizuoka, JP	5	1992–2003
Tomobe, JP	1	1981