- Tolosa, L., Ge, X., Rao, G. (May 18, 2010) Proteins, Sensors, and Methods of Characterizing Analytes Using the Same, Patent No. US 7,718,353.
- U.S. Provisional Patent application. Mirrored Cavity for Improvement in Sensitivity of pH, pCO2 and O2 Sensors. Filed 1/25/08
- U.S. Provisional Patent application. Turbidity and Chlorophyll Sensor. Filed 1/25/08
- U.S. Provisional Patent application. Novel Antioxidant Capacity Assay. Filed 3/27/07
- U.S. Provisional Patent application No. 10/609,720 Ratiometric Fluorescent pH Sensor for Non-Invasive Monitoring (filed June 30, 2003).
- U.S. Patent 7,041,986 Awarded 5/9/06. Device for Discrimination of Fluorescence Lifetimes and Use Thereof. Govind Rao, Peter Harms and Yordan Kostov.
- U.S. Patent 7,041,493 Awarded 5/9/06. Bioreactor and Bioprocessing Technique. Govind Rao.
- U.S. Patent 7,029,630. Awarded 4/18/06. Ion-Sensitive Fluorescence Optical Sensor. Yordan Kostov and Govind Rao.
- U.S. Patent 6,673,532. Awarded 6/1/04. Bioreactor and Bioprocessing Technique. Govind Rao.
- U.S. Patent 6,563,585. Awarded 5/13/03. Ratiometric Fluorometer. Goaind Rao and Yordan Kostov.
- U.S. Patent 6,426,505. Awarded 7/30/02. Phase-Modulation Fluorometer And Method For Measuring Nanosecond Lifetimes Using A Lock-In Amplifier. Govind Rao and Peter Harms.
- U.S. Patent 6,197,534 Awarded 3/6/01. Engineered Proteins for Analyte Sensing. Inventors: Joseph R. Lakowicz, Leah Tolosa, Lisa Eichhorn and Govind Rao. (Licensed to Spectrx, Inc.)
- U.S. Patent 5,628,310 Awarded 5/13/97. Method and Apparatus to Perform Trans-cutaneous Analyte Monitoring. Inventors: Govind Rao, Henryk Szmacinski and Joseph R. Lakowicz. (Licensed to Spectrx, Inc.)