Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RK

Ruediger Kellmann — 21 Patents

IBM: 20 patents #5,465 of 70,183Top 8%
Globalfoundries: 1 patents #2,221 of 4,424Top 55%
Mainz, DE: #45 of 1,295 inventorsTop 4%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
Ruediger Kellmann has been granted 21 US patents while listed as an inventor at IBM. The first was granted in 2016 and the most recent in June 2021. Ruediger Kellmann ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Ruediger Kellmann in Mainz, DE.

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11024761 Mechanically stacked, lateral multi-junction photovoltaic cells Hans-Juergen Eickelmann, Markus Schmidt 2021-06-01 $4,052,000
10741710 Thin film photovoltaic cell with back contacts Hans-Juergen Eickelmann, Hartmut Kuehl, Markus Schmidt 2020-08-11 $2,122,000
10651327 Thin film photovoltaic cell with back contacts Hans-Juergen Eickelmann, Hartmut Kuehl, Markus Schmidt 2020-05-12 $2,725,000
10559702 Monolithically integrated thin-film device with a solar cell, an integrated battery, and a controller Johann H. Bredel, Hans-Juergen Eickelmann, Hartmut Kuehl, Markus Schmidt 2020-02-11 $2,410,000
10290748 Monolithically integrated thin-film device with a solar cell, an integrated battery, and a controller Johann H. Bredel, Hans-Juergen Eickelmann, Hartmut Kuehl, Markus Schmidt 2019-05-14 $3,761,000
10283653 Solar cell with reduced absorber thickness and reduced back surface recombination Hans-Juergen Eickelmann, Michael Haag, Markus Schmidt, Johannes Windeln 2019-05-07 $2,760,000
10170659 Monolithically integrated thin-film electronic conversion unit for lateral multijunction thin-film solar cells Hans-Juergen Eickelmann, Hartmut Kuehl, Markus Schmidt 2019-01-01
9972733 Monolithic interconnection for solar cells Hans-Juergen Eickelmann, Markus Schmidt 2018-05-15 $2,944,000
9941419 Monolithically integrated thin-film device with a solar cell, an integrated battery, and a controller Johann H. Bredel, Hans-Juergen Eickelmann, Hartmut Kuehl, Markus Schmidt 2018-04-10 $2,135,000
9859451 Thin film photovoltaic cell with back contacts Hans-Juergen Eickelmann, Hartmut Kuehl, Markus Schmidt 2018-01-02 $1,907,000
9825192 Solar cell with reduced absorber thickness and reduced back surface recombination Hans-Juergen Eickelmann, Michael Haag, Markus Schmidt, Johannes Windeln 2017-11-21 $3,803,000
9773927 Solar cell with reduced absorber thickness and reduced back surface recombination Hans-Juergen Eickelmann, Michael Haag, Markus Schmidt, Johannes Windeln 2017-09-26 $3,108,000
9735309 Monolithically integrated thin-film electronic conversion unit for lateral multijunction thin-film solar cells Hans-Juergen Eickelmann, Hartmut Kuehl, Markus Schmidt 2017-08-15 $1,588,000
9634166 Thin film photovoltaic cell with back contacts Hans-Juergen Eickelmann, Hartmut Kuehl, Markus Schmidt 2017-04-25 $1,937,000
9634171 Monolithically integrated thin-film electronic conversion unit for lateral multijunction thin-film solar cells Hans-Juergen Eickelmann, Hartmut Kuehl, Markus Schmidt 2017-04-25 $1,937,000
9583649 Thin film solar cell backside contact manufacturing process Hans-Juergen Eickelmann, Hartmut Kuehl, Markus Schmidt 2017-02-28 $2,397,000
9577130 Thin film solar cell backside contact Hans-Juergen Eickelmann, Hartmut Kuehl, Markus Schmidt 2017-02-21 $2,827,000
9455361 Segmented thin film solar cells Hans-Juergen Eickelmann, Markus Schmidt 2016-09-27 $3,712,000
9368666 Solar cell with reduced absorber thickness and reduced back surface recombination Hans-Juergen Eickelmann, Michael Haag, Markus Schmidt, Johannes Windeln 2016-06-14 $6,457,000
9246039 Solar cell with reduced absorber thickness and reduced back surface recombination Hans-Juergen Eickelmann, Michael Haag, Markus Schmidt, Johannes Windeln 2016-01-26 $2,109,000
9227259 Increasing the efficiency of solar cells by transfer of solder Michael Haag, Markus Schmidt 2016-01-05 $2,535,000