Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700714 | Diffusion mask and fabrication method for forming pn-junction elements in a compound semiconductor substrate | Mitsuhiko Ogihara, Yukio Nakamura, Masumi Taninaka | 1997-12-23 |