David K.-T. Chu

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Wilmington, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Acoustic frequency mixing devices using potassium titanyl phosphate...
- Patent number 5,530,410
- Issue date Jun 25, 1996
- E. I. Du Pont de Nemours and Company
- David K.-T. Chu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Analyte-responsive KTP composition and method
- Patent number 5,447,845
- Issue date Sep 5, 1995
- E. I. Du Pont de Nemours and Company
- David K. Chu
- G01 - MEASURING TESTING
Information Patent Grant
Surface skimming bulk wave generation in KTiOPO.sub.4 and its analogs
- Patent number 5,448,125
- Issue date Sep 5, 1995
- E. I. Du Pont de Nemours and Company
- David K. Chu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surface acoustic wave devices for controlling high frequency signal...
- Patent number 5,418,866
- Issue date May 23, 1995
- E. I. Du Pont de Nemours and Company
- David K. Chu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Acoustic wave devices for controlling high frequency signals
- Patent number 5,350,961
- Issue date Sep 27, 1994
- E. I. Du Pont de Nemours and Company
- David K. Chu
- H03 - BASIC ELECTRONIC CIRCUITRY