HO

Helmut Oefner

Infineon Technologies Ag: 24 patents #289 of 7,486Top 4%
Overall (All Time): #166,796 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12211703 Methods for forming a semiconductor device having a second semiconductor layer on a first semiconductor layer Hans-Joachim Schulze, Alexander Breymesser, Bernhard Goller, Matthias Kuenle, Francisco Javier Santos Rodriguez +1 more 2025-01-28
11742215 Methods for forming a semiconductor device Hans-Joachim Schulze, Alexander Breymesser, Bernhard Goller, Matthias Kuenle, Francisco Javier Santos Rodriguez +1 more 2023-08-29
10957767 Semiconductor device, silicon wafer and method of manufacturing a silicon wafer Nico Caspary, Hans-Joachim Schulze 2021-03-23
10837120 Method of manufacturing CZ silicon wafers, and method of manufacturing a semiconductor device Johannes Freund, Thomas Wuebben, Hans-Joachim Schulze 2020-11-17
10724149 Method of manufacturing CZ silicon wafers, and method of manufacturing a semiconductor device Johannes Freund, Thomas Wuebben, Hans-Joachim Schulze 2020-07-28
10566198 Doping method Hans-Joachim Schulze, Johannes Baumgartl 2020-02-18
10566424 Semiconductor device, silicon wafer and method of manufacturing a silicon wafer Nico Caspary, Hans-Joachim Schulze 2020-02-18
10529838 Semiconductor device having a variable carbon concentration Hans-Joachim Schulze, Moriz Jelinek, Johannes Georg Laven, Werner Schustereder 2020-01-07
10317338 Method and assembly for determining the carbon content in silicon Naveen Goud Ganagona, Moriz Jelinek, Hans-Joachim Schulze, Werner Schustereder 2019-06-11
10319599 Methods of planarizing SiC surfaces Hans-Joachim Schulze, Roland Rupp 2019-06-11
10273597 Method of manufacturing CZ silicon wafers, and method of manufacturing a semiconductor device Johannes Freund, Thomas Wuebben, Hans-Joachim Schulze 2019-04-30
10026816 Semiconductor wafer and manufacturing method Hans-Joachim Schulze 2018-07-17
10014400 Semiconductor device having a defined oxygen concentration Nico Caspary, Mohammad Momeni, Reinhard Ploss, Francisco Javier Santos Rodriguez, Hans-Joachim Schulze 2018-07-03
9972488 Method of reducing defects in an epitaxial layer Hans-Joachim Schulze, Johannes Baumgartl 2018-05-15
9972704 Method for forming a semiconductor device and a semiconductor device Moriz Jelinek, Johannes Georg Laven, Hans-Joachim Schulze, Werner Schustereder 2018-05-15
9934988 Method for processing a silicon wafer Werner Schustereder, Hans-Joachim Schulze, Sandeep Walia 2018-04-03
9779931 Method of manufacturing semiconductor wafers and method of manufacturing a semiconductor device Johannes Freund, Hans-Joachim Schulze 2017-10-03
9754787 Method for treating a semiconductor wafer Johannes Georg Laven, Hans-Joachim Schulze, Stephan Voss, Alexander Breymesser, Alexander Susiti +1 more 2017-09-05
9728395 Method for manufacturing a semiconductor wafer, and semiconductor device having a low concentration of interstitial oxygen Nico Caspary, Mohammad Momeni, Reinhard Ploss, Francisco Javier Santos Rodriguez, Hans-Joachim Schulze 2017-08-08
9721907 Wafer edge shape for thin wafer processing Hans-Joachim Schulze 2017-08-01
9559020 Method for postdoping a semiconductor wafer Reinhard Ploss, Hans-Joachim Schulze 2017-01-31
9536838 Single crystal ingot, semiconductor wafer and method of manufacturing semiconductor wafers Johannes Freund, Hans-Joachim Schulze 2017-01-03
9312120 Method for processing an oxygen containing semiconductor body Hans-Joachim Schulze 2016-04-12
9245811 Method for postdoping a semiconductor wafer Reinhard Ploss, Hans-Joachim Schulze 2016-01-26