Tetsuro Ijichi

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor laser device having a COD-preventing structure
- Patent number 5,962,873
- Issue date Oct 5, 1999
- The Furukawa Electric Co., Ltd.
- Michio Ohkubo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device
- Patent number 5,491,711
- Issue date Feb 13, 1996
- The Furukawa Electric Co., Ltd.
- Ranjit S. Mand
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device
- Patent number 5,394,424
- Issue date Feb 28, 1995
- The Furukawa Electric Co., Ltd.
- Tetsuro Ijichi
- H01 - BASIC ELECTRIC ELEMENTS