Chih-Husan Chang

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Rancho Cucamonga, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Spectrometer with wide-scan tunable diode laser
- Patent number 11,079,324
- Issue date Aug 3, 2021
- SpectraSensors, Inc.
- Xiang Liu
- G01 - MEASURING TESTING
Information Patent Grant
Spectrometer with variable beam power and shape
- Patent number 10,072,980
- Issue date Sep 11, 2018
- SpectraSensors, Inc.
- Alfred Feitisch
- G01 - MEASURING TESTING
Information Patent Grant
Spectrometer with variable beam power and shape
- Patent number 9,518,866
- Issue date Dec 13, 2016
- SpectraSensors, Inc.
- Alfred Feitisch
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
QUANTIFICATION OF TARGET ANALYTE BASED ON MULTI-LAYER MULTI-VARIANT...
- Publication number 20240219298
- Publication date Jul 4, 2024
- Xiang Liu
- G01 - MEASURING TESTING
Information Patent Application
SPECTROMETER WITH WIDE-SCAN TUNABLE DIODE LASER
- Publication number 20210018433
- Publication date Jan 21, 2021
- SPECTRASENSORS, INC.
- Xiang Liu
- G01 - MEASURING TESTING
Information Patent Application
SPECTROMETER WITH VARIABLE BEAM POWER AND SHAPE
- Publication number 20170248466
- Publication date Aug 31, 2017
- SPECTRASENSORS, INC.
- ALFRED FEITISCH
- G01 - MEASURING TESTING
Information Patent Application
Spectrometer With Variable Beam Power and Shape
- Publication number 20160054178
- Publication date Feb 25, 2016
- Alfred Feitisch
- G01 - MEASURING TESTING