Yuying Wu

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Patents Grantslast 30 patents

Information Patent Grant
Thermoopic type variable optical attenuator and array type variable...
- Patent number 7,203,411
- Issue date Apr 10, 2007
- Seikoh Giken Co., Ltd.
- Xiaoqing Jiang
- G02 - OPTICS
Information Patent Grant
Light-signal delaying device
- Patent number 6,751,374
- Issue date Jun 15, 2004
- Seikoh Giken Co., LTD
- Yuying Wu
- G02 - OPTICS
Information Patent Grant
Optical fiber wavelength filter and manufacturing method for the same
- Patent number 6,280,099
- Issue date Aug 28, 2001
- Seikoh Giken Co., Ltd.
- Yuying Wu
- G02 - OPTICS
Information Patent Grant
Optical fiber light source assembly and manufacturing method for th...
- Patent number 6,113,284
- Issue date Sep 5, 2000
- Seikoh Giken Co., Ltd.
- Yuying Wu
- G02 - OPTICS
Information Patent Grant
Optical device and bidirectional communications system
- Patent number 5,859,940
- Issue date Jan 12, 1999
- Seiko Giken Co., Ltd.
- Mitsuo Takahashi
- G02 - OPTICS
Information Patent Grant
Optical coupler constructed using optical fiber ferrules
- Patent number 5,675,683
- Issue date Oct 7, 1997
- Seikoh Giken Co., Ltd.
- Mitsuo Takahashi
- G02 - OPTICS
Information Patent Grant
Optical fiber LED assembly
- Patent number 5,631,992
- Issue date May 20, 1997
- Seikoh Giken Co., Ltd.
- Mitsuo Takahashi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
BIOSENSOR, METHOD FOR PRODUCING THE SAME AND SENSOR MEASUREMENT SYSTEM
- Publication number 20090116020
- Publication date May 7, 2009
- SEIKOH GIKEN Co., Ltd.
- Yuying Wu
- G01 - MEASURING TESTING
Information Patent Application
Planar waveguide-based variable optical attenuator
- Publication number 20060210232
- Publication date Sep 21, 2006
- Seikoh Giken Co., Ltd.
- Yuying Wu
- G02 - OPTICS
Information Patent Application
Thermo-optic waveguide device and manufacturing method thereof
- Publication number 20060165340
- Publication date Jul 27, 2006
- Seikoh Giken Co., Ltd.
- Yuying Wu
- G02 - OPTICS
Information Patent Application
Light-signal delaying device
- Publication number 20020061167
- Publication date May 23, 2002
- Yuying Wu
- G02 - OPTICS