Inventor

Kiyoshi Kobashi

Inventor

Mishima, JP

Overview

1977–1999

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 34 as inventor

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

Y02Tprimary

Y02TClimate change mitigation technologies related to transportation19%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general18%

F02BInternal-combustion piston engines13%

F02DControlling combustion engines13%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof11%

B01DSeparation9%

F02PIgnition, other than compression ignition, for internal-combustion engines2%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry1%

H05BElectric heating1%

PatentTitleYear

5,961,931'Particulate trap'1999 5,930,995'Exhaust gas purification device for a compression-ignition combustion engine'1999 5,908,480'Particulate trap for diesel engine'1999 5,863,311'Particulate trap for diesel engine'1999 5,851,249'Particulate trap for a diesel engine'1998 5,826,427'Compression ignition type engine'1998 5,473,887'Exhaust purification device of internal combustion engine'1995 5,406,790'Exhaust gas purification device for an engine'1995 4,934,142'Exhaust emission control device for a diesel engine'1990 4,916,897'Exhaust gas purifying apparatus built-in to a muffler for a diesel engine'1990 4,875,336'Exhaust gas emission control device for diesel engine'1989 4,723,973'Purifying apparatus of a particulate trap-type for collecting particulates in exhaust gas from an engine'1988 4,723,069'Ceramic heater'1988 4,549,398'Exhaust gas cleaning device for diesel engines'1985 4,485,622'Exhaust gas cleaning device for internal combustion engine'1984 4,452,040'Soot catcher purgative diesel engine fuel supply method and apparatus'1984 4,404,798'Exhaust gas cleaning device for internal combustion engine'1983 4,404,795'Method of and apparatus for reducing emitted amount of particulates contained in exhaust gas of diesel engine'1983 4,386,497'Exhaust gas cleaning device for internal combustion engine'1983 4,322,799'Exhaust gas recirculation valve control system and method'1982 4,299,600'Trapper device for collecting and incinerating fine particulates included in exhaust gas from a diesel engine'1981 4,257,382'Electronic control system for internal combustion engines'1981 4,250,855'Electronic control system for carburetor'1981 4,248,187'Electronic control system for internal combustion engines'1981 4,242,997'Exhaust gas recirculation system for internal combustion engines'1981 4,226,222'Exhaust gas recirculation system for internal combustion engines'1980 4,191,144'Method for controlling ignition timing in an internal combustion engine'1980 4,171,691'Exhaust gas recirculation control system for an internal combustion engine'1979 4,170,973'Exhaust gas recirculation system of an internal combustion engine'1979 4,164,032'Computer control of an exhaust gas recirculation device for an internal combustion engine'1979 4,161,929'Exhaust gas recirculation control system for an internal combustion engine'1979 4,066,056'Exhaust gas recirculator'1978 4,056,933'Exhaust gas purifier in an internal combustion engine'1977 4,040,402'Exhaust gas re-circulation system for an internal combustion engine'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1999Patents assigned to TOYOTA MOTOR CO LTD (27)· patent assignee history

1977–1980Based in Susono, JP· patent location history

1980–1984Patents assigned to NIPPON SOKEN (9)· patent assignee history

1980–1999Based in Mishima, JP· patent location history

1983Patents assigned to TOYODA CHUO KENKYUSHO KK (1)· patent assignee history

1988Patents assigned to NIPPON DENSO CO (2)· patent assignee history

1998–1999Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOYOTA MOTOR CO LTD	27	1977–1999
NIPPON SOKEN	9	1980–1984
SUMITOMO ELECTRIC INDUSTRIES	4	1998–1999
NIPPON DENSO CO	2	1988
TOYODA CHUO KENKYUSHO KK	1	1983

Locations

Location	Patents	Span
Mishima, JP	26	1980–1999
Susono, JP	8	1977–1980