Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5494862 | Method of making semiconductor wafers | Tadahiro Kato, Masami Nakano, Hisashi Masumura | 1996-02-27 |
| 5447890 | Method for production of wafer | Tadahiro Kato, Masami Nakano, Hisashi Masumura, Hideo Kudo | 1995-09-05 |