Inventor · disambiguated record
Takao Akatsuka
Also filed as: AKATSUKA TAKAO
24 granted patents·710 citations·filing 1977–2000
97Inventor score
Top patents by PatentIndex Score
24 records- 0193US4655182AMethod and system for internal combustion engine oxygen sensor heating control which provide maximum sensor heating after cold engine startingTOYOTA MOTOR CO LTD·Filed 1984·Granted Apr 7, 1987·44 cites·8 claims
- 0291US4561402AMethod and system for internal combustion engine oxygen sensor heating control, synchronizing heater voltage detection with heater energization, and calculating power lossTOYOTA MOTOR CO LTD·Filed 1984·Granted Dec 31, 1985·38 cites·4 claims
- 0389US4611562AMethod and system for internal combustion engine oxygen sensor heating control which provide sensor heating limited for reliable operationTOYOTA MOTOR CO LTD·Filed 1984·Granted Sep 16, 1986·55 cites·14 claims
- 0488US6170864B1Activation control apparatus for passive vehicle occupant restraint and method of controlling activation of passive vehicle occupant restraintTOYOTA MOTOR CO LTD·Filed 1997·Granted Jan 9, 2001·66 cites·51 claims
- 0588US4510396AMethod of controlling automatic stop and restart of an engineTOYOTA MOTOR CO LTD·Filed 1982·Granted Apr 9, 1985·46 cites·6 claims
- 0686US4494497AAutomatic engine stop-restart systemTOYOTA MOTOR CO LTD·Filed 1982·Granted Jan 22, 1985·43 cites·4 claims
- 0785US5454259AFailure detecting apparatus in temperature controller of air-fuel ratio sensorTOYOTA MOTOR CO LTD·Filed 1994·Granted Oct 3, 1995·40 cites·19 claims
- 0885US4694809AMethod and system for internal combustion engine oxygen sensor heating control with time smoothingTOYOTA MOTOR CO LTD·Filed 1986·Granted Sep 22, 1987·28 cites·5 claims
- 0981US4569748AOxygen sensorNIPPON DENSO CO·Filed 1985·Granted Feb 11, 1986·48 cites·6 claims
- 1079US4454843AAutomatic engine stop and start systemTOYOTA MOTOR CO LTD·Filed 1982·Granted Jun 19, 1984·22 cites·4 claims
- 1179US4116797AOxygen sensorTOYOTA MOTOR CO LTD·Filed 1977·Granted Sep 26, 1978·28 cites·11 claims
- 1278US6347268B1Activation control apparatus for passive vehicle occupant restraint and method of controlling activation of passive vehicle occupant restraintTOYOTA MOTOR CO LTD·Filed 2000·Granted Feb 12, 2002·25 cites·92 claims
- 1377US4485772AAutomatic engine stop-restart systemTOYOTA MOTOR CO LTD·Filed 1982·Granted Dec 4, 1984·21 cites·3 claims
- 1477US4466392AAutomatic engine stop-restart systemTOYOTA MOTOR CO LTD·Filed 1982·Granted Aug 21, 1984·30 cites·11 claims
- 1575US4323440AOxygen sensor with protective shield and porous air filterTOYOTA MOTOR CO LTD·Filed 1980·Granted Apr 6, 1982·30 cites·6 claims
- 1668US4555006AAutomatic engine stop and start systemTOYOTA MOTOR CO LTD·Filed 1982·Granted Nov 26, 1985·21 cites·3 claims
- 1762US4626337AOxygen sensorNIPPON DENSO CO·Filed 1985·Granted Dec 2, 1986·22 cites·5 claims
- 1858US5553488ADiagnosis apparatus for vehicle control systemTOYOTA MOTOR CO LTD·Filed 1995·Granted Sep 10, 1996·19 cites·20 claims
- 1957US4651700AMethod and apparatus for controlling air-fuel ration in internal combustion engineTOYOTA MOTOR CO LTD·Filed 1985·Granted Mar 24, 1987·11 cites·21 claims
- 2057US4563991AEngine air/fuel ratio control method and system selectively providing feedback control or open loop control according to oxygen sensor heating conditionTOYOTA MOTOR CO LTD·Filed 1984·Granted Jan 14, 1986·11 cites·4 claims
- 2153US4602600AMethod of controlling diesel engineTOYOTA MOTOR CO LTD·Filed 1985·Granted Jul 29, 1986·11 cites·6 claims
- 2251US6154132ADisplay system of a theft preventing apparatus having two kinds of theft preventionTOYOTA MOTOR CO LTD·Filed 1997·Granted Nov 28, 2000·18 cites·11 claims
- 2349US6133649AVehicle anti-theft system and method using switching device provided in the vehicleTOYOTA MOTOR CO LTD·Filed 1996·Granted Oct 17, 2000·19 cites·25 claims
- 2446US6293583B1Apparatus for activating passive safety deviceTOYOTA MOTOR CO LTD·Filed 1998·Granted Sep 25, 2001·14 cites·23 claims
Join the waitlist — get patent alerts
Get an alert when Takao Akatsuka files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →