Hiroomi Katayama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Input/output unit modifiable engine ignition control apparatus
- Patent number 4,502,441
- Issue date Mar 5, 1985
- New Nippon Electric Co., Ltd.
- Hiroomi Katayama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Control unit modifiable engine ignition control apparatus
- Patent number 4,499,875
- Issue date Feb 19, 1985
- New Nippon Electric Co., Ltd.
- Hiroomi Katayama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine ignition interpolation apparatus
- Patent number 4,494,518
- Issue date Jan 22, 1985
- New Nippon Electric Co., Ltd.
- Hiroomi Katayama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine ignition system
- Patent number 4,457,286
- Issue date Jul 3, 1984
- New Nippon Electric Co., Ltd.
- Hiroomi Katayama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS