Inventor

Takamichi Nakase

Inventor

Gamagori, JP

Overview

1977–2007

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.

F02Dprimary

F02DControlling combustion engines34%

Y02TClimate change mitigation technologies related to transportation25%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof13%

F02BInternal-combustion piston engines10%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general8%

B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general2%

G01NInvestigating or analysing materials by determining their chemical or physical properties2%

Y02ATechnologies for adaptation to climate change2%

F02PIgnition, other than compression ignition, for internal-combustion engines1%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests1%

PatentTitleYear

7,239,951'Apparatus for automatically adjusting direction of light axis of vehicle headlight'2007 6,778,892'Vehicle headlamp optical axis control system'2004 4,624,234'Electronic ignition timing adjusting system for internal combustion engines'1986 4,285,319'Air flow amount adjusting system for an internal combustion engine'1981 4,240,254'Exhaust gas purifying apparatus for multicylinder internal combustion engines'1980 4,216,653'Exhaust gas purifying system for internal combustion engines'1980 4,199,938'Method of operating a three-way catalyst for internal combustion engines'1980 4,192,268'Air flow amount adjusting system for an internal combustion engine'1980 4,177,787'Deteriorated condition detecting apparatus for an oxygen sensor'1979 4,175,521'Air-fuel ratio adjusting system'1979 4,173,957'Additional air supply system for an internal combustion engine'1979 4,164,914'Air-fuel ratio controlling apparatus for an internal combustion engine'1979 4,146,000'Air flow control system'1979 4,140,093'Air-fuel ratio controlling system'1979 4,136,651'Additional air control apparatus'1979 4,128,998'Overheat preventing system for exhaust gas purifier of vehicles'1978 4,121,548'Deteriorated condition detecting apparatus for an oxygen sensor'1978 4,121,546'Air-fuel ratio adjusting apparatus for an internal combustion engine'1978 4,114,578'Air-to-fuel ratio control system'1978 4,106,451'Air-fuel ratio adjusting system for internal combustion engines'1978 4,094,273'Air-fuel ratio adjusting system'1978 4,084,560'Engine air-to-fuel ratio control system'1978 4,084,558'Air-to-fuel ratio controlling system for internal combustion engines'1978 4,084,563'Additional air control device for an internal combustion engine'1978 4,083,337'Air-fuel ratio adjusting system'1978 4,079,711'Air-fuel ratio controlling device'1978 4,077,207'Additional air control device for maintaining constant air-fuel ratio'1978 4,075,835'Additional air control device'1978 4,072,137'Air-to-fuel ratio adjusting system for an internal combustion engine'1978 4,052,968'Air-to-fuel ratio adjusting system for an internal combustion engine'1977 4,051,817'Fuel injection system for an internal combustion engine'1977 4,020,813'Air-to-fuel ratio control means for carbureter'1977 4,020,802'Fuel injection system for internal combustion engine'1977 4,012,906'Overheat preventing system for exhaust gas purifier of vehicles'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1981Patents assigned to NIPPON SOKEN (31)· patent assignee history

1977–2004Based in Gamagori, JP· patent location history

1979–1980Patents assigned to TOYOTA MOTOR CO LTD (3)· patent assignee history

1986Patents assigned to NIPPON DENSO CO (1)· patent assignee history

2004–2007Patents assigned to DENSO CORP (2)· patent assignee history

2007Based in Gamagoori, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON SOKEN	31	1977–1981
TOYOTA MOTOR CO LTD	3	1979–1980
DENSO CORP	2	2004–2007
NIPPON DENSO CO	1	1986

Locations

Location	Patents	Span
Gamagori, JP	33	1977–2004
Gamagoori, JP	1	2007