Patents
  1. Ito, H., Tsenkova, R., and Shiraishi, S. Method and device for non-destructive analysis of ingredients in vegetables using near infrared spectroscopy, Japanese Patent No. 4749330 (Application No. 2006-513599, 2004-145828). 2011.
  2. Tsenkova, R. Method and instrumentation for NIR analysis, Japanese Patent No. 471001 (Application No. 2005-515585). 2011.
  3. Tsenkova, R., Kuroki, S., Ikuta, K., and Wada, T. Method and apparatus for searching threshold number of somatic cells for diagnosing mastitis through near-infrared spectrometry, Japanese Patent Application No. 2010-112799, 2008-284537, 2005-284537. 2010.
  4. Tsenkova, R. Visible/near infrared spectroscopy and its device, US Patent No. 7570357. 2009.
  5. Sakudo, A., Tsenkova, R., Ikuta, K., and Onodera, T. Method of examining/judging presence of virus infection such as HIV or presence of prion infection by near-infrared spectroscopy and device used in same. US Patent Application Publication No. 2008/0113337. 2008.
  6. Sakudo, A., Tsenkova, R., Ikuta, K., and Onodera, T. Method of examining/judging presence of virus infection such as HIV or presence of prion infection by near-infrared spectroscopy and device used in same. International Patent No. WO2006051847A1 (Application No. 2004-329249). 2006.
  7. Tsenkova, R., Kusumoto, S., and Isomura, T. Method for Analysis of visible and near-infrared spectroscopy, Japanese Patent Application No. 2005-291704, 2004-084322. 2005.
  8. Tsenkova, R., and Kanazawa, K. Method for oxidative stress diagnosis, Japanese Patent Application No. 2005-55228, 2003-284449. 2005.
  9. Tsenkova, R. Visible/near-infrared spectrometry and its device. International Patent No. WO2005/050176A1. 2005.
  10. Tsenkova, R. Method and apparatus for detecting mastitis by using visible light rays and/or near infrared light. US Patent No. 6793624. 2004.
  11. Tsenkova, R. Method and apparatus for detecting mastitis by using visual light and/or near infrared light. US Patent No. 6748251. 2004.
  12. Tsenkova, R. Method and device for diagnosis of mastitis using visible and/or near infrared spectroscopy, Japanese Patent No. 3574851 (Application No. 2001-572852). 2004.
  13. Tsenkova, R. Method and apparatus for detecting mastitis by using visible light and/or near infrared light. New Zealand Patent No. 515725. 2003.
  14. Tsenkova, R. Method and apparatus for detecting mastitis by using visible light and/or near infrared light. New Zealand Patent No. 515730. 2003.
  15. Tsenkova, R. Method and apparatus for detecting mastitis by using visible light and/or near infrared light: Japanese Patent No. 3472836 (Application No. 2001-572851). 2003.
  16. Tsenkova, R., and Murayama, K. Method and apparatus for detecting mastitis by using visible light and/or near infrared light. European Patent Application No. EP1191326A1. 2002.
  17. Tsenkova, R. Method and apparatus for detecting mastitis by using visible light rays and/or near infrared light. Chinese Patent Application No. CN1366604A. 2002.
  18. Kanazawa, K., Tsenkova, R., and Jordanov, K. Method for acquisition of information on specimen, Japanese Patent Application No. 2002-005827, 2000-183427. 2002.
  19. Tsenkova, R., and Murayama, K. Method and apparatus for detecting mastitis by using visible light and/or near infrared light, Australian Patent No. 200141137. 2001.
  20. Tsenkova, R. Method and apparatus for detecting mastitis by using visible light and/or near infrared light: Australian Patent No. 200141138. Australia. 2001.
  21. Tsenkova, R. N. Instrument for cow’s mastitis diagnosis. Bulgarian Patent No. 76572. 1987.
  22. Kirilin, N., and Tsenkova, R. Express analyzer for subclinical mastitis diagnosis. Bulgarian Patent No. 51016. 1981.