Etsuji Oomura

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Itami, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor laser having an active layer buried in a groove
- Patent number 4,723,251
- Issue date Feb 2, 1988
- Mitsubishi Denki Kabushiki Kaisha
- Yasushi Sakakibara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Buried semiconductor laser avoiding thyristor action
- Patent number 4,561,096
- Issue date Dec 24, 1985
- Mitsubishi Denki Kabushiki Kaisha
- Hirofumi Namizaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Transverse junction stripe semiconductor laser device
- Patent number 4,334,311
- Issue date Jun 8, 1982
- Mitsubishi Denki Kabushiki Kaisha
- Etsuji Oomura
- H01 - BASIC ELECTRIC ELEMENTS