1. Cohn, D.; Yitzchaik, S.; Bilenkis, S., "Preparation of polyurethane-amide segmented copolymers (PEUA'm) and their use in biomedical articles and pharmaceutical compositions" Israel Patent No. 090193 (1989). European Patent No. 396,429.A2 (1993). U.S. Patent No. 5,100,992.A (1993).

  2. Berkovic, G.; Krongauz, V.; Yitzchaik, S., "Method and System for Producing Second Order Nonlinear Optical Effects" Israel Patent No. 09161, (1990); U.S. Patent No. 5,262,890 (1993).

  3. Krongauz, V.; Buchholtz, F.; Zelichenok, A.; Yitzchaik, S. (1995) Photochromic spirooxazine monomers and polysiloxanes. Israel Patent Application (1991); US Patent No. 5,473,068 (1995)

  4. Yitzchaik, S.; Lundquist, P.M.; Marks, T.J. (1997) “Self-assembled superlattices and waveguides prepared to use therewith.” US Patent Appl. No. 08/857,769 (May 1997)

  5. Yitzchaik, S. and Burtman, V. "Molecular Layer Epitaxy Method and Compositions." US Patent No. 6,316,098 (2001).

  6. Yitzchaik, S., "Molecular Layer Epitaxy Method and Compositions" US Patent No. 6,808,803 B1 (Oct. 26, 2004).

  7. Yitzchaik, S., Shappir, J. and Spira, M. "A Hybrid Device with Biological components” US Patent No. 6,703,660 (2004); US 2002-005 0611-A1, May 1, 2002; PCT/IL00/00112 (August 2001).

  8. Yitzchaik, S., Vaganova, E. and Khodorkovsky, V., "Photo-responsive Polymer Systems and their Use”, PCT/IL02/00737 (2002); WO 03/021695 A1 (2003) UK Patent GB2395197-2377-03 (2004).

  9. Yitzchaik, S., Spira, M. and Shappir, “Biosensor for molecules” (2002) PCT/IL03/00941.

  10. Shappir, J., Yitzchaik, S. and Spira, M., “Packaging of Electronic Devices with a Small Exposed Area to the Environment” – US Patent Appl. # 60/438,001 (2003).

  11. Spira, M., Shappir, J. and Yitzchaik, S., “Electronic device for communication with living cells” – PCT/IL2004/000502 (2004); U.S. Patent Number: US 07795039 - September 14, 2010.

  12. Spira, M., Yitzchaik, S., Shappir, J., Bartic, C., and Borghs, G., "Micro-nails for use in electrical interaction with cells" Application Serial No. PCT/IL2008/000313 (March 09, 2008).

  13. Shappir, J., Spira, M., Yitzchaik, S., Bartic, C. and Borghs, G., "Planer silicon microfluidics integrated with microelectronics and MEMS" US Patent Appl. # 3345-00 (2009).

  14. Hanein, Y., Yitzchaik, S., Sernagor, E., Banin, U., Cheshnovsky, O., "Photoelectrical devices for stimulating neurons” US Patent Number: US 08774936 (July 8, 2014).
    1. Yitzchaik, S. and Vaganova, E., PCT  Application No. PCT/IL2012/050212  "Polymeric compositions and uses there of" (July 26, 2012).
    2. Yitzchaik, S. and Vaganova, E., Provisional Patent Application "Polymeric compositions for IR detector and proximity touch screens" (January 31, 2013).
  15. Yitzchaik, S., Gilon C., Hurevich, M., Marx, G., United States Provisional Patent Application No. 62/549,452 "Sensor and uses thereof in detecting metal ions" (August 24, 2017)