| Reduction of spectral site to site variation J Mansfield, R Messerschmidt, S Marini, P Trepagnier US Patent App. 09/987,192, 2002 | 269 | 2002 |
| Infrared microspectroscopy. Theory and applications RG Messerschmidt, MA Harthcock Marcel Dekker, New York, NY, 1988 | 253 | 1988 |
| Method for non-invasive blood analyte measurement with improved optical interface RG Messerschmidt US Patent 5,655,530, 1997 | 235 | 1997 |
| Method for non-invasive blood analyte measurement with improved optical interface RG Messerschmidt US Patent 5,823,951, 1998 | 184 | 1998 |
| Method for non-invasive blood analyte measurement with improved optical interface MR Robinson, RG Messerschmidt US Patent 6,152,876, 2000 | 163 | 2000 |
| Diffuse reflectance monitoring apparatus RG Messerschmidt, MR Robinson US Patent 5,935,062, 1999 | 146 | 1999 |
| Non-invasive measurement of blood glucose using retinal imaging J Woods, J Smith, M Rice, W Routt, R Messerschmidt, J Ou US Patent App. 10/863,619, 2005 | 145 | 2005 |
| Diffuse reflectance monitoring apparatus RG Messerschmidt, MR Robinson US Patent 5,636,633, 1997 | 120 | 1997 |
| Diffuse reflectance monitoring apparatus RG Messerschmidt, MR Robinson US Patent 6,230,034, 2001 | 115 | 2001 |
| Obtaining physiological measurements using a portable device RG Messerschmidt US Patent App. 13/588,902, 2014 | 108 | 2014 |
| Obtaining physiological measurements using ear-located sensors RG Messerschmidt US Patent App. 13/588,894, 2014 | 108 | 2014 |
| Diffuse reflectance monitoring apparatus RG Messerschmidt, MR Robinson US Patent 6,230,034, 2001 | 101 | 2001 |
| Multiple internal reflectance spectroscopy system RG Messerschmidt US Patent 4,730,882, 1988 | 101 | 1988 |
| Blocker device for eliminating specular reflectance from a diffuse reflection spectrum RG Messerschmidt, DW Sting US Patent 4,661,706, 1987 | 98 | 1987 |
| Analyte determinations S Hendee, H Jones, D Birnkrant, R Johnson, R Abbink, R Messerschmidt US Patent App. 10/850,646, 2004 | 89 | 2004 |
| Optical system and method for sample analyzation DW Sting, RG Messerschmidt, JA Reffner US Patent 5,019,715, 1991 | 89 | 1991 |
| Optical system and method for sample analyzation DW Sting, RG Messerschmidt, JA Reffner US Patent 5,019,715, 1991 | 85 | 1991 |
| Multisource infrared spectrometer RG Messerschmidt US Patent 5,828,066, 1998 | 84 | 1998 |
| Spectrophotometric image scrambler for full aperture microspectroscopy RG Messerschmidt US Patent 4,712,912, 1987 | 83 | 1987 |
| Reflective beam splitting objective DW Sting, RG Messerschmidt US Patent 4,653,880, 1987 | 82 | 1987 |
