Toyoki Hiraoka

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Structure of internal combustion engine
- Patent number 5,148,784
- Issue date Sep 22, 1992
- Nissan Motor Co., Ltd.
- Toyoki Hiraoka
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Oil pan for internal combustion engine
- Patent number 4,986,235
- Issue date Jan 22, 1991
- Nissan Motor Co., Ltd.
- Akira Ishii
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Internal combustion engine with crankcase ventilation system
- Patent number 4,958,613
- Issue date Sep 25, 1990
- Nissan Motor Co., Ltd.
- Toyoki Hiraoka
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS