Patents and patent applications

  1. LV P-17-78, 2017. Method for detection of coloured counterfeits (J.Spigulis, I.Oshina).  
  2. PCT/EP2017/063565, 2017. Device for speckle-free imaging under laser illumination (U.Rubins, E.Kviesis-Kipge, J.Spigulis).
  3. WO 2017/012675 A1, 2017. Method and device for smartphone mapping of tissue compounds (J.Spigulis, M.Lacis, I.Kuzmina, A.Lihacovs, V.Upmalis, Z.Rupenheits).
  4. WO 2017/025775 A1, 2017.. Device for adaptive photoplethysmography imaging (U.Rubins, J.Zaharans, J.Spigulis).
  5. LV 15106 B, 2016. Method and device for chromophore mapping under illumination by several spectral lines (J.Spigulis, I.Oshina).
  6. WO 2015071786 (A1); LV 14782 B, 2014. Method for imaging of spectral reflectance at several wavelengths (J.Spigulis). 
  7. LV 14819 B, 2014. Method and device for monitoring of regional anaesthesia and pain therapy (U.Rubins, J.Spigulis, A.Miscuks).
  8. LV 14749 B, 2013. Multimodal imaging device for non-contact skin diagnostics (J.SpigulisU.RubinsE.Kviesis-Kipge).
  9. EP 2589225 (A1), 2013; WO 2012/002787 A1, 2012; LV 14207 B, 2010. Method and device for multi-spectral imaging by means of a digital RGB sensor  (J. Spigulis, D. Jakovels, U. Rubins). 
  10. WO 2013135311 (A1), 2013; LV 14532 B, 2012Method and device for imaging of spectral reflectance at several wavelengths bands (J.Spigulis, L.Elste). 
  11. WO 2013045119 (A1), 2013; LV14444 B, 2012.Method and device for determination of regional anaesthesia by means of non-contact photoplethysmography (A.Miscuks, R. Erts, U.Rubins, J.Spigulis, M.Mihelsons). 
  12. EP 2438849 (A1), 2012. Device and method for an optical contactless monitoring of cardiac parameters (R.Erts, U.RubinsV.UpmalisJ.SpigulisM.Svilans). 
  13. WO 2009066969 (A1), 2009. Side emitting/detecting optical fibre and method of its producing (J. Spigulis). 
  14. LV 13791 B, 2009. Method and device for noninvasive continuous measurement of arterial blood pressure (Z. Marcinkevics, E. Kviesis-Kipge, J. Aivars, J. Spigulis).
  15. EP 1671581A1, 2006; LV 13449 B, 2004. Method and device for detection of arterial occlusions in arms and legs (J. Spigulis, R. Erts, I. Kukulis, M. Ozols, A. Ļihachev).
  16. LV 13582 B, 2005. Method and device for non-invasive continuous measurement of arterial blood pressure (Z. Marcinkevics, M. Greve, R. Erts, J. Aivars, J. Spigulis).
  17. LV 12008 B, 1996. Luminous fiber-optic cable and method of its manufacturing (J. Spigulis).
  18. LV 11644 B, 1995. Side-emitting optical fiber (D. Pfafrods, M. Stafeckis, J. Spigulis, D. Boucher).
  19. USSR 1569768, 1988. A device for spectral multiplexing/demultiplexing of optical channels (J. Spigulis, A. Kireyev, J. Lazdinsh).
  20. USSR 1635764, 1988. A method of optical fiber fault identification (J. Spigulis, A. Rieba, M. Vitols)
  21. USSR 1282057, 1987. A collimator (J. Spigulis).
  22. USSR 1227909, 1986. A light-directing device (J. Spigulis).
  23. USSR 1589830, 1986. A method of optical fiber fault detection (J. Spigulis, D. Pfafrods).
  24. USSR 902228, 1982. A device for pulsed operation of high-frequency electrodeless lamps (J. Spigulis).