Inventor

Motonobu Akagi

Inventor

Kariya, JP

Overview

1983–2005

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 23 as inventor

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

F16Kprimary

F16KValves18%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof15%

Y10TTechnical subjects covered by former us classification15%

F02PIgnition, other than compression ignition, for internal-combustion engines10%

Y02TClimate change mitigation technologies related to transportation8%

F02BInternal-combustion piston engines5%

F01DNon-positive displacement machines or engines, e.g. steam turbines3%

F02DControlling combustion engines3%

F02FCylinders, pistons or casings, for combustion engines3%

F03GSpring, weight, inertia or like motors3%

PatentTitleYear

6,885,448'Photon correlator'2005 5,150,697'Ignition system'1992 5,134,357'DC voltage converting device'1992 5,113,083'Light scattering measuring apparatus utilizing a photodetector mounted on a rotary stand'1992 5,097,815'Ignition system for internal combustion engine'1992 5,056,497'Ignition control system'1991 4,986,233'Ignition device for an engine'1991 4,742,989'Motor-driven flow rate control valve device'1988 4,724,812'Apparatus for controlling the air-fuel ratio for an internal combustion engine'1988 4,674,464'Electric exhaust gas recirculation valve'1987 4,571,945'Turbocharger control device with optical turbocharger shaft speed sensing'1986 4,561,469'Electromagnetic control valve'1985 4,552,249'Mounting device for spiral spring'1985 4,530,374'Linear motor-actuated flow control valve'1985 4,512,153'Turbocharger control system'1985 4,504,039'Solenoid actuated valve device'1985 4,483,369'Linear motor-actuated flow control valve'1984 4,437,645'Electrically driven flow control valve assembly'1984 4,436,070'Apparatus for controlling the proportion of air and fuel in an air-fuel mixture of the internal combustion engine'1984 4,407,244'Apparatus for controlling the proportion of air and fuel in the air-fuel mixture of the internal combustion engine'1983 4,373,552'Electromagnetic flow control valve assembly'1983 4,368,759'Electromagnetic flow control valve unit'1983 4,366,835'Electromagnetic flow control valve'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1992Patents assigned to AISIN SEIKI (21)· patent assignee history

1983–1985Patents assigned to TOYOTA MOTOR CO LTD (5)· patent assignee history

1983–1986Based in Kariya, JP· patent location history

1984–1992Based in Aichi, JP· patent location history

1987–1992Based in Anjo, JP· patent location history

1992–2005Patents assigned to OTSUKA DENSHI KK (2)· patent assignee history

1992Based in Koga, JP· patent location history

2005Based in Shiga, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
AISIN SEIKI	21	1983–1992
TOYOTA MOTOR CO LTD	5	1983–1985
OTSUKA DENSHI KK	2	1992–2005

Locations

Location	Patents	Span
Kariya, JP	12	1983–1986
Anjo, JP	6	1987–1992
Aichi, JP	3	1984–1992
Shiga, JP	1	2005
Koga, JP	1	1992