Optoelectronics Technology Research Corporation

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of growing a crystal of a compound semiconductor at a low te...
- Patent number 5,741,360
- Issue date Apr 21, 1998
- Optoelectronics Technology Research Corporation
- Shigeo Goto
- C30 - CRYSTAL GROWTH
Information Patent Grant
Semiconductor crystal growing method
- Patent number 5,656,540
- Issue date Aug 12, 1997
- Optoelectronics Technology Research Corporation
- Yasuhiko Nomura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Strained quantum well type semiconductor laser device
- Patent number 5,390,208
- Issue date Feb 14, 1995
- The Furukawa Electric Co., Ltd.
- Akihiko Kasukawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor light emitting device including a hole barrier contig...
- Patent number 5,073,805
- Issue date Dec 17, 1991
- Optoelectronics Technology Research Corporation
- Yoshinori Nomura
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method capable of forming a fine pattern without crystal defects
- Patent number 4,994,140
- Issue date Feb 19, 1991
- Optoelectronics Technology Research Corporation
- Akita Kenzo
- H01 - BASIC ELECTRIC ELEMENTS

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