Donna S. Yu

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Danville, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Broad bandwidth, single mode fiber optic coupler and method of manu...
- Patent number 6,148,129
- Issue date Nov 14, 2000
- E-Tek Dynamics, Inc.
- Jing-Jong Pan
- G02 - OPTICS
Information Patent Grant
1XN and NXN fiber optic couplers
- Patent number 6,049,645
- Issue date Apr 11, 2000
- E-Tek Dynamics, Inc.
- Jing-Jong Pan
- G02 - OPTICS
Information Patent Grant
1.times.N and N.times.N fiber optic couplers
- Patent number 5,764,830
- Issue date Jun 9, 1998
- E-Tek Dynamics, Inc.
- Jing-Jong Pan
- G02 - OPTICS
Information Patent Grant
Dense wavelength division multiplexer and demultiplexer devices
- Patent number 5,748,350
- Issue date May 5, 1998
- E-Tek Dynamics, Inc.
- Jing-Jong Pan
- G02 - OPTICS