Kiyoshi Nagai

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Sachigawa, Oomiya-shi, Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light emitting display device and stem for light emitting display d...
- Patent number 5,084,806
- Issue date Jan 28, 1992
- Kiyoshi Nagai
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
POROUS PIEZOELECTRIC MATERIAL MOLDED BODY, METHOD OF MANUFACTURING...
- Publication number 20210347698
- Publication date Nov 11, 2021
- Kiyoshi NAGAI
- H01 - BASIC ELECTRIC ELEMENTS