Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4585512 | Method for making seed crystals for single-crystal semiconductor devices | Yoshinori Hayafuji, Setsuo Usui, Akikazu Shibata | 1986-04-29 |
| 4564403 | Single-crystal semiconductor devices and method for making them | Yoshinari Hayafuji, Setsuo Usui, Akikazu Shibata | 1986-01-14 |
| 4549913 | Wafer construction for making single-crystal semiconductor device | Yoshinori Hayafuji, Setsuo Usui, Akikazu Shibata | 1985-10-29 |