HV

Heikki VILJANEN

TO Teknologian Tutkimuskeskus Vtt Oy: 1 patents #169 of 436Top 40%
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Patent #TitleCo-InventorsDate
11380600 Semiconductor apparatus Pekka RANTAKARI, Tauno Vähä-Heikkilä, Esa Tuovinen 2022-07-05