Hiroyasu Koyama

Person

Susono-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Coolant passage device for internal combustion engine
- Patent number 10,494,987
- Issue date Dec 3, 2019
- Nippon Thermostat Co., Ltd
- Fujio Inoue
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Cylinder block
- Patent number 9,695,776
- Issue date Jul 4, 2017
- Toyota Jidosha Kabushiki Kaisha
- Ryohei Muramoto
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Coolant passage apparatus for internal combustion engine
- Patent number 9,222,401
- Issue date Dec 29, 2015
- Nippon Thermostat Co., Ltd
- Fujio Inoue
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Electric air pump for secondary air supply system
- Patent number 7,568,893
- Issue date Aug 4, 2009
- Toyota Jidosha Kabushiki Kaisha
- Hiroyasu Koyama
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Device for supplying secondary air
- Patent number 7,222,483
- Issue date May 29, 2007
- Toyota Jidosha Kabushiki Kaisha
- Yasuhiro Oi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Secondary air supply system and abnormality diagnosis method of sec...
- Patent number 7,140,177
- Issue date Nov 28, 2006
- Toyota Jidosha Kabushiki Kaisha
- Hiroyasu Koyama
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Anomaly judgment apparatus for secondary air supply system
- Patent number 7,010,908
- Issue date Mar 14, 2006
- Toyota Jidosha Kabushiki Kaisha
- Hiroyasu Koyama
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Anomaly judgment apparatus for secondary air supply system
- Patent number 6,966,177
- Issue date Nov 22, 2005
- Toyota Jidosha Kabushiki Kaisha
- Hiroyasu Koyama
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Exhaust gas purifying apparatus of internal combustion engine and a...
- Patent number 6,923,169
- Issue date Aug 2, 2005
- Toyota Jidosha Kabushiki Kaisha
- Takayuki Demura
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Valve control apparatus and method for internal combustion engine
- Patent number 6,755,165
- Issue date Jun 29, 2004
- Toyota Jidosha Kabushiki Kaisha
- Shinya Kondou
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
COOLANT PASSAGE DEVICE FOR INTERNAL COMBUSTION ENGINE
- Publication number 20180252148
- Publication date Sep 6, 2018
- NIPPON THERMOSTAT CO., LTD.
- Fujio Inoue
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
CYLINDER BLOCK
- Publication number 20160090940
- Publication date Mar 31, 2016
- Toyota Jidosha Kabushiki Kaisha
- Ryohei Muramoto
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
COOLANT PASSAGE APPARATUS FOR INTERNAL COMBUSTION ENGINE
- Publication number 20110284182
- Publication date Nov 24, 2011
- TOYOTA JIDOSHA KABUSHIKI KAISHA
- Fujio Inoue
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Device for supplying secondary air
- Publication number 20060048504
- Publication date Mar 9, 2006
- Toyota Jidosha Kabushiki Kaisha
- Yasuhiro Oi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Electric air pump for secondary air supply system
- Publication number 20050244285
- Publication date Nov 3, 2005
- Toyota Jidosha Kabushiki Kaisha
- Hiroyasu Koyama
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Secondary air supply system and abnormality diagnosis method of sec...
- Publication number 20050120711
- Publication date Jun 9, 2005
- Toyota Jidosha Kabushiki Kaisha
- Hiroyasu Koyama
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Exhaust gas purifying apparatus of internal combustion engine and a...
- Publication number 20050066650
- Publication date Mar 31, 2005
- Toyota Jidosha Kabushiki Kaisha
- Takayuki Demura
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Anomaly judgment apparatus for secondary air supply system
- Publication number 20040211170
- Publication date Oct 28, 2004
- Toyota Jidosha Kabushiki Kaisha
- Hiroyasu Koyama
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Anomaly judgment apparatus for secondary air supply system
- Publication number 20040211169
- Publication date Oct 28, 2004
- Toyota Jidosha Kabushiki Kaisha
- Hiroyasu Koyama
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Valve control apparatus and method for internal combustion engine
- Publication number 20030164149
- Publication date Sep 4, 2003
- Toyota Jidosha Kabushiki Kaisha
- Shinya Kondou
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Hiroyasu Koyama

Person

Patents Grantslast 30 patents

Coolant passage device for internal combustion engine

Cylinder block

Coolant passage apparatus for internal combustion engine

Electric air pump for secondary air supply system

Device for supplying secondary air

Secondary air supply system and abnormality diagnosis method of sec...

Anomaly judgment apparatus for secondary air supply system

Anomaly judgment apparatus for secondary air supply system

Exhaust gas purifying apparatus of internal combustion engine and a...

Valve control apparatus and method for internal combustion engine

Patents Applicationslast 30 patents

COOLANT PASSAGE DEVICE FOR INTERNAL COMBUSTION ENGINE

CYLINDER BLOCK

COOLANT PASSAGE APPARATUS FOR INTERNAL COMBUSTION ENGINE

Device for supplying secondary air

Electric air pump for secondary air supply system

Secondary air supply system and abnormality diagnosis method of sec...

Exhaust gas purifying apparatus of internal combustion engine and a...

Anomaly judgment apparatus for secondary air supply system

Anomaly judgment apparatus for secondary air supply system

Valve control apparatus and method for internal combustion engine