Inventor

Kunihiko Sugihara

Inventor

Yokohama, JP

Overview

30→

Patents

1976–1987

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 30 as inventor

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

Y02Tprimary

Y02TClimate change mitigation technologies related to transportation23%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof21%

F02BInternal-combustion piston engines13%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general10%

F02DControlling combustion engines10%

F02PIgnition, other than compression ignition, for internal-combustion engines5%

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure5%

G01PMeasuring linear or angular speed, acceleration, deceleration, or shock3%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers3%

B01DSeparation2%

PatentTitleYear

4,676,209'Transfer passage arrangement for diesel engine having swirl chamber'1987 4,662,330'Diesel engine having swirl chamber and shaped flame dispersing recess in piston crown'1987 4,635,598'Swirl chamber arrangement for diesel engine or the like'1987 4,540,126'Fuel injection nozzle'1985 4,506,833'Fuel injection nozzle for an internal combustion engine'1985 4,393,837'Spark timing control system for an internal combustion engine'1983 4,385,598'Engine system'1983 4,370,964'Spark ignition timing control system for an internal combustion engine'1983 4,348,905'Vibration sensor for an automotive vehicle'1982 4,337,640'Knocking sensor'1982 4,337,641'Device for detecting engine knock'1982 4,285,318'Exhaust gas recirculation system having flow control valve combined with supersonic nozzle'1981 4,278,063'Internal combustion engine with an exhaust gas purifying system'1981 4,240,253'Engine system for motor vehicle'1980 4,210,109'Multi-cylinder internal combustion engine'1980 4,192,262'Control system for varying the amount of scavenging air to be admitted to internal combustion engine'1980 4,185,599'Control system for varying the amount of scavenging air to be _admitted to internal combustion engine'1980 4,173,203'Engine system'1979 4,149,377'Internal combustion engine with emission control systems'1979 4,134,262'Exhaust gas catalytic converter system'1979 4,100,737'Exhaust gas purifying system employing an exhaust gas flow controller'1978 4,084,372'Internal combustion engine'1978 4,047,510'Exhaust gas recirculation system with control apparatus for exhaust gas flow control valve'1977 4,041,914'Exhaust gas recirculation system with control apparatus for exhaust gas flow control valve'1977 4,033,308'Exhaust gas recirculation control system'1977 4,033,309'Exhaust gas recirculation system with control apparatus for exhaust gas flow control valve'1977 4,007,590'Catalytic convertor warming up system'1977 3,977,381'Exhaust gas recirculation system'1976 3,973,535'Exhaust gas recirculation system'1976 3,943,711'Multi-stage air pump for supplying secondary air into an exhaust gas purification system'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1987Patents assigned to NISSAN MOTOR (29)· patent assignee history

1976–1981Based in Yokohama, JP· patent location history

1978Patents assigned to HAYASHI YOSHIMASA (1)· patent assignee history

1978Patents assigned to KURODA HIROSHI (1)· patent assignee history

1978Patents assigned to NAKAJIMA YASUO (1)· patent assignee history

1978Patents assigned to SUGIHARA KUNIHIKO (1)· patent assignee history

1978Based in Yokohama-shi, JP· patent location history

1979–1987Based in Tokyo, JP· patent location history

1980–1983Based in Takasho, JP· patent location history

1980–1983Based in Ichigaya-takashomachi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NISSAN MOTOR	29	1976–1987
HAYASHI YOSHIMASA	1	1978
KURODA HIROSHI	1	1978
NAKAJIMA YASUO	1	1978
SUGIHARA KUNIHIKOself	1	1978

Locations

Location	Patents	Span
Yokohama, JP	13	1976–1981
Tokyo, JP	7	1979–1987
Takasho, JP	6	1980–1983
Ichigaya-takashomachi, JP	2	1980–1983
Yokohama-shi, JP	1	1978