Masahiro Ichiki

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Tamamuramachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light emitting device with improved electrode structure to minimize...
- Patent number RE34378
- Issue date Sep 14, 1993
- Hitachi, Ltd.
- Masaaki Sawai
- 372 - Coherent light generators
Information Patent Grant
Light emitting device with improved electrode structure to minimize...
- Patent number 4,785,455
- Issue date Nov 15, 1988
- Hitachi, Ltd.
- Masaaki Sawai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device with improved electrode structure to minimize...
- Patent number 4,692,927
- Issue date Sep 8, 1987
- Hitachi, Ltd.
- Masaaki Sawai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor device
- Patent number 4,367,483
- Issue date Jan 4, 1983
- Hitachi, Ltd.
- Takeo Takahashi
- G02 - OPTICS