Ryoji Kondo

Follow

Person

Okazaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Spark plug and the method of manufacturing the same
- Patent number 4,893,051
- Issue date Jan 9, 1990
- Nippondenso Co., Ltd.
- Ryoji Kondo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug and method of manufacturing the same
- Patent number 4,699,600
- Issue date Oct 13, 1987
- Nippondenso Co., Ltd.
- Ryoji Kondo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug for internal-combustion engine
- Patent number 4,540,910
- Issue date Sep 10, 1985
- Nippondenso Co., Ltd.
- Ryoji Kondo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ignition plug
- Patent number 4,488,081
- Issue date Dec 11, 1984
- Nippondenso Co., Ltd.
- Ryoji Kondo
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS