Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6953954 | Plasma oscillation switching device | Shigeo Yoshii, Nobuyuki Otsuka, Koichi Mizuno, Toshiya Yokogawa | 2005-10-11 |
| 6903383 | Semiconductor device having a high breakdown voltage for use in communication systems | Toshiya Yokogawa, Masahiro Deguchi, Shigeo Yoshii, Hiroyuki Furuya | 2005-06-07 |
| 6861679 | Gallium indium nitride arsenide based epitaxial wafer, a hetero field effect transistor using the wafer, and a method of fabricating the hetero field effect transistor | Nobuyuki Otsuka, Koichi Mizuno, Shigeo Yoshii | 2005-03-01 |