TU

Takashi Udagawa

SK Showa Denko K.K.: 3 patents #4 of 148Top 3%
SD Showa Denko: 1 patents #4 of 20Top 20%
📍 Chichibu, JP: #2 of 11 inventorsTop 20%
Overall (2005): #9,028 of 245,428Top 4%
4
Patents 2005

Issued Patents 2005

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6936863 Boron phosphide-based semiconductor light-emitting device, production method thereof and light-emitting diode Akira Kasahara 2005-08-30
6876013 Compound semiconductor multilayer structure and bipolar transistor using the same Taichi Okano 2005-04-05
6846754 Boron phosphide-based semiconductor layer and vapor phase growth method thereof Koji Nakahara 2005-01-25
6841435 Method for fabricating a GaInP epitaxial stacking structure Masahiro Kimura, Akira Kasahara, Taichi Okano 2005-01-11