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last 30 patents
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Patent Grant
Failure test apparatus for fuel-vapor purging system
Patent number
6,698,280
Issue date
Mar 2, 2004
Toyota Jidosha Kabushiki Kaisha
Noriyuki Iden
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Diagnosis apparatus for fuel vapor purge system
Patent number
6,523,398
Issue date
Feb 25, 2003
Toyota Jidosha Kabushiki Kaisha
Shuichi Hanai
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Air-fuel ratio control apparatus for an internal combustion engine...
Patent number
6,431,160
Issue date
Aug 13, 2002
Toyota Jidosha Kabushiki Kaisha
Takayuki Sugiyama
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Internal combustion engine diagnostic apparatus
Patent number
6,318,161
Issue date
Nov 20, 2001
Toyota Jidosha Kabushiki Kaisha
Shin Adachi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Device for determining deterioration of a catalytic converter for a...
Patent number
5,724,809
Issue date
Mar 10, 1998
Toyota Jidosha Kabushiki Kaisha
Noritake Mitsutani
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
System for controlling intake pressure in a supercharged internal c...
Patent number
4,800,863
Issue date
Jan 31, 1989
Toyota Jidosha Kabushiki Kaisha
Hideo Miyagi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
System for controlling intake pressure in a supercharged internal c...
Patent number
4,766,873
Issue date
Aug 30, 1988
Toyota Jidosha Kabushiki Kaisha
Hideo Miyagi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS