Patents and patent
applications
1.
LV
15705 B, 2023. Method and device for determination of
photo-camera relative spectral sensitivity at selected wavelengths (J.Spigulis,
I.Oshina, I.Kuzmina, L.Dambite).
2.
LV 15491 B, 2020. Device for uniform surface illumination
simultaneosly by several laser spectral lines (J.Spigulis, I.Oshina,
Z.Rupenheits, M.Matulenko).
3.
LV 15413, 2019. Method for detection of coloured counterfeits
(J.Spigulis, I.Oshina).
4.
WO 2017/025775 A1, 2017; LV 15370, 2019. Device for speckle-free imaging under laser
illumination (U.Rubins, E.Kviesis-Kipge, J.Spigulis).
5.
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).
6.
WO 2017/025775 A1, 2017. Device for
adaptive photoplethysmography imaging (U.Rubins, J.Zaharans, J.Spigulis).
7.
DE 10 2017 119 697.8, 2017. Monitoring of
tissue coagulation by optical reflectance signals (M.Wehner, J.Spigulis,
A.Lihachev, T.Trebst).
8.
LV 15106 B, 2016.
Method and device for chromophore mapping under illumination by several
spectral lines (J.Spigulis, I.Oshina).
9.
WO 2015071786 (A1); LV 14782 B, 2014. Method for imaging of spectral
reflectance at several wavelengths (J.Spigulis).
10. LV 14819 B, 2014. Method and device for monitoring of
regional anaesthesia and pain therapy (U.Rubins, J.Spigulis, A.Miscuks).
11. LV 14749 B, 2013. Multimodal imaging device for
non-contact skin diagnostics (J.Spigulis, U.Rubins, E.Kviesis-Kipge).
12. 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).
13. WO 2013135311 (A1), 2013; LV 14532 B, 2012. Method and device for imaging of spectral reflectance
at several wavelengths bands (J.Spigulis, L.Elste).
14. 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).
15. EP 2438849 (A1),
2012. Device and method for an optical contactless monitoring of cardiac
parameters (R.Erts, U.Rubins, V.Upmalis, J.Spigulis, M.Svilans).
16. WO 2009066969 (A1), 2009. Side emitting/detecting
optical fibre and method of its producing (J. Spigulis).
17. LV 13791 B, 2009. Method and device for noninvasive
continuous measurement of arterial blood pressure (Z. Marcinkevics, E.
Kviesis-Kipge, J. Aivars, J. Spigulis).
18. 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).
19. 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).
20. LV 12008 B, 1996. Luminous
fiber-optic cable and method of its manufacturing (J. Spigulis).
21. LV 11644 B, 1995.
Side-emitting optical fiber (D. Pfafrods, M. Stafeckis, J. Spigulis, D.
Boucher).
22. USSR 1569768, 1988. A device
for spectral multiplexing/demultiplexing of optical channels (J. Spigulis,
A. Kireyev, J. Lazdinsh).
23. USSR 1635764, 1988. A method
for optical fiber fault identification (J. Spigulis, A. Rieba, M. Vitols).
24. USSR 1282057, 1987. A
collimator (J. Spigulis).
25. USSR 1227909, 1986. A
light-directing device (J. Spigulis).
26. USSR 1589830, 1986. A method
for optical fiber fault detection (J. Spigulis, D. Pfafrods).
27. USSR 902228, 1982. A device
for pulsed operation of high-frequency electrodeless lamps (J. Spigulis).