Kazumi Matsumoto

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Patents Grantslast 30 patents

Information Patent Grant
Electroluminescent device and method for producing same
- Patent number 6,613,455
- Issue date Sep 2, 2003
- 3M Innovative Properties Company
- Kazumi Matsumoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Self light-emitting retroreflective sheet and method for producing...
- Patent number 6,166,856
- Issue date Dec 26, 2000
- 3M Innovative Properties Company
- Yoshinori Araki
- G02 - OPTICS