Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5306928 | Diamond semiconductor device having a non-doped diamond layer formed between a BN substrate and an active diamond layer | Tadashi Tomikawa, Nobuhiko Fujita | 1994-04-26 |
| 5298461 | Method of forming ohmic contact electrodes for n-type semiconductor cubic boron nitride | Tadashi Tomikawa, Nobuhiko Fujita | 1994-03-29 |
| 5285109 | Ohmic contact electrodes for n-type semiconductor cubic boron nitride | Tadashi Tomikawa, Nobuhiko Fujita | 1994-02-08 |