Yoshinari Okamoto

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Patents Grantslast 30 patents

Information Patent Grant
Fluorescent display device with conductive layer comprising aluminu...
- Patent number 6,525,468
- Issue date Feb 25, 2003
- Futaba Corporation
- Hiroyuki Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color filter and fluorescent display device having color filters in...
- Patent number 5,606,462
- Issue date Feb 25, 1997
- Futaba Denshi Kogyo K.K.
- Yoshihisa Tsuruoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color filter and fluorescent display device having color filters in...
- Patent number 5,559,397
- Issue date Sep 24, 1996
- Futaba Denshi Kogyo K.K.
- Yoshihisa Tsuruoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flourescent display device having a protective film interposed betw...
- Patent number 5,543,685
- Issue date Aug 6, 1996
- Futaba Denshi Kogyo K.K.
- Yoshinari Okamoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR