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Patent applications and USPTO patent grants for Feldrapp; Karlheinz.The latest application filed is for "semiconductor device with diode region and trench gate structure".
Patent | Date |
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Semiconductor device with diode region and trench gate structure Grant 10,211,306 - Siemieniec , et al. Feb | 2019-02-19 |
Semiconductor Device with Diode Region and Trench Gate Structure App 20180158920 - Siemieniec; Ralf ;   et al. | 2018-06-07 |
Wide-Bandgap Semiconductor Device with Trench Gate Structures App 20170345905 - Siemieniec; Ralf ;   et al. | 2017-11-30 |
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