Yuuzaburou Ban

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gallium nitride compound semiconductor light emitting device and pr...
- Patent number 6,165,812
- Issue date Dec 26, 2000
- Matsushita Electric Industrial Co., Ltd.
- Akihiko Ishibashi
- C30 - CRYSTAL GROWTH
Information Patent Grant
Semiconductor laser device
- Patent number 5,923,690
- Issue date Jul 13, 1999
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Kume
- H01 - BASIC ELECTRIC ELEMENTS