1. Z. Sadygov, Russian patent # 2102820, published, 1998.
2. Z. Sadygov, Russian patent # 2316848, published, 2006.
3. Microchannel avalanche photodiode with broad linearity range;Sadygov;Tech. Phys. Lett.,2010
4. Z. Sadygov, A. Sadigov, Russian patent # 2528107, published, September 10, 2014.
5. N. Pavlov, Silicon photomultiplier and readout method, Patent US No. 20130099100 A1, published, September 9, 2011.