Light - Activated Device for Information Storage
            R. Könenkamp
            German Patent Office No. DE-OS 35 21 451 (1988) (disclosed)

       Solid state device with enlarged space charge region and its preparation
            R. Könenkamp, C. Rost, S. Siebentritt, K. Ernst and M.C. Lux-Steiner
            German Patent Office No. 199 10 155.8 (1999) (pending)

        Method for Micro- and Nano-structuring of metal-oxides and –chacogenides by ion exchange
            R. Könenkamp, R. Engelhardt, L. Dloczik, K. Ernst, and M.C. Lux-Steiner
            German Patent Office No. 101 15 971.4 (2001)  (pending)

        Solar cell with highly structured interface for 2-photon excitation
            R. Könenkamp
            German Patent Office No. 101 42 875.8 (2001) (pending)

        Vertical transistor in polymer foil
            R. Könenkamp, J. Chen
            German Patent Office No. 101 42 913.4 (2001) (granted)

       Field effect transistor and its preparation
            R. Könenkamp
            German Patent Office No. 102 50 984.0 (2002)  (granted)

        Field effect transistor
            J. Chen and R. Könenkamp
            German Patent Office (2003)  (granted)

        Nanowire devices and their manufacture
            R. Koenenkamp, C. Schlegel, R. Word, M. Yan and B. Harnish
            US-Patent Office, application no.: 60/573,599, filed 5/20/04 (pending)