Kouichiro Maekawa

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Ichinomiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ceramic discharge vessel for a high-pressure discharge lamp, having...
- Patent number 5,637,960
- Issue date Jun 10, 1997
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Stefan Juengst
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-pressure discharge lamp and method of manufacture
- Patent number 5,404,078
- Issue date Apr 4, 1995
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Axel Bunk
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making ceramic arc tube for high-pressure metal-vapor dis...
- Patent number 4,765,820
- Issue date Aug 23, 1988
- NGK Insulators Ltd.
- Hitoshi Naganawa
- H01 - BASIC ELECTRIC ELEMENTS