Fujio Akinaga

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Kaisei-machi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor laser element including optical waveguide layers whic...
- Patent number 6,873,637
- Issue date Mar 29, 2005
- Fuji Photo Film Co., Ltd.
- Fujio Akinaga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-power semiconductor laser device including resistance reductio...
- Patent number 6,553,046
- Issue date Apr 22, 2003
- Fuji Photo Film Co., Ltd.
- Fujio Akinaga
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR LASER ELEMENT INCLUDING OPTICAL WAVEGUIDE LAYERS WHIC...
- Publication number 20050047463
- Publication date Mar 3, 2005
- Fuji Photo Film Co., Ltd.
- Fujio Akinaga
- B82 - NANO-TECHNOLOGY
Information Patent Application
High-power semiconductor laser device including resistance reductio...
- Publication number 20010043630
- Publication date Nov 22, 2001
- Fuji Photo Film Co., Ltd.
- Fujio Akinaga
- H01 - BASIC ELECTRIC ELEMENTS