Yidong Huang

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Phase-shifted distributed feedback type semiconductor laser diode c...
- Patent number 6,825,505
- Issue date Nov 30, 2004
- NEC Corporation
- Yidong Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Distributed feedback semiconductor laser
- Patent number 6,574,261
- Issue date Jun 3, 2003
- NEC Corporation
- Yidong Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Distributed feedback semiconductor laser
- Patent number 6,330,268
- Issue date Dec 11, 2001
- NEC Corporation
- Yidong Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical functional device and method of driving the same
- Patent number 6,026,107
- Issue date Feb 15, 2000
- NEC Corporation
- Yidong Huang
- B82 - NANO-TECHNOLOGY
Information Patent Grant
DFB laser waveguide having periodic distribution of gains and absor...
- Patent number 6,018,541
- Issue date Jan 25, 2000
- NEC Corporation
- Yidong Huang
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Phase-shifted distributed feedback type semiconductor laser diode c...
- Publication number 20040196885
- Publication date Oct 7, 2004
- Yidong Huang
- B82 - NANO-TECHNOLOGY
Information Patent Application
Phase-shifted distributed feedback type semiconductor laser diode c...
- Publication number 20030132451
- Publication date Jul 17, 2003
- Yidong Huang
- B82 - NANO-TECHNOLOGY
Information Patent Application
Distributed feedback semiconductor laser
- Publication number 20020037024
- Publication date Mar 28, 2002
- Yidong Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Distributed feedback semiconductor laser
- Publication number 20020027938
- Publication date Mar 7, 2002
- NCE CORPORATION
- Yidong Huang
- H01 - BASIC ELECTRIC ELEMENTS