Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5477325 | Method for evaluating epitaxial layers and test pattern for process evaluation | Motoharu Miyashita, Tadashi Kimura | 1995-12-19 |
| 5145793 | Manufacturing a gallium arsenide solar cell on a silicon substrate | Takahiko Oohara, Yoshiro Ohmachi, Yoshiaki Kadota, Kotaro Mitsui, Takashi Nishimura | 1992-09-08 |
| 5131956 | Photovoltaic semiconductor device | Takahiko Oohara, Masaaki Usui, Kotaro Mitsui | 1992-07-21 |
| 5121183 | Light responsive heterojunction semiconductor pn element | Kotaro Mitsui | 1992-06-09 |