Yoshio Yamakawa

Person

Toyota, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Combustion chamber of an internal combustion engine
- Patent number 4,291,655
- Issue date Sep 29, 1981
- Toyota Jidosha Kogyo Kabushiki Kaisha
- Yoshio Yamakawa
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Air cleaning means for internal combustion engine
- Patent number 4,279,630
- Issue date Jul 21, 1981
- Nippondenso Co., Ltd.
- Yasuhiko Nakamura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Internal combustion engine with twin intake ports for each cylinder
- Patent number 4,271,801
- Issue date Jun 9, 1981
- Toyota Jidosha Kogyo Kabushiki Kaisha
- Yoshio Yamakawa
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel vapor adsorption type air cleaner element for internal combust...
- Patent number 4,259,096
- Issue date Mar 31, 1981
- Nippondenso Co., Ltd.
- Yasuhiko Nakamura
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Combustion chamber of an internal combustion engine
- Patent number 4,166,436
- Issue date Sep 4, 1979
- Toyota Jidosha Kogyo Kabushiki Kaisha
- Yoshio Yamakawa
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Exhaust gas cleaning apparatus of an internal combustion engine
- Patent number 4,150,541
- Issue date Apr 24, 1979
- Toyota Jidosha Kogyo Kabushiki Kaisha
- Yoshio Yamakawa
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Internal combustion engine with an auxiliary combustion chamber
- Patent number 4,114,569
- Issue date Sep 19, 1978
- Toyota Jidosha Kogyo Kabushiki Kaisha
- Yoshio Yamakawa
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Yoshio Yamakawa

Person

Patents Grantslast 30 patents

Combustion chamber of an internal combustion engine

Air cleaning means for internal combustion engine

Internal combustion engine with twin intake ports for each cylinder

Fuel vapor adsorption type air cleaner element for internal combust...

Combustion chamber of an internal combustion engine

Exhaust gas cleaning apparatus of an internal combustion engine

Internal combustion engine with an auxiliary combustion chamber