Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6168684 | Wafer polishing apparatus and polishing method | Hideo Mitsuhashi, Satoshi Ohi, Shoichi Inaba | 2001-01-02 |
| 5731225 | Method for fabricating semiconductor device having buried contact structure | — | 1998-03-24 |
| 5679499 | Method for forming photo mask for use in fabricating semiconductor device | — | 1997-10-21 |