Masaru Ujigawa

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Hitachinaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Igniter for internal combustion engine having outer packing case eq...
- Patent number 6,055,969
- Issue date May 2, 2000
- Hitachi, Ltd.
- Hidetoshi Oishi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Igniter for internal combustion engine having outer packing case eq...
- Patent number 5,915,367
- Issue date Jun 29, 1999
- Hitachi, Ltd.
- Hidetoshi Oishi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Distributor for internal combustion engines
- Patent number 5,842,457
- Issue date Dec 1, 1998
- Hitachi, Ltd.
- Takao Terakado
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Distributor for internal combustion engines
- Patent number 5,651,352
- Issue date Jul 29, 1997
- Hitachi, Ltd.
- Takao Terakado
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS