Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6031291 | Common contact hole structure in semiconductor device | Norifumi Sato, Hitoshi Mitani, Hidetaka Natsume | 2000-02-29 |
| 5770495 | Method of fabricating semiconductor device including high temperature heat treatment | Nolifumi Sato, Shinji Ohara, Hitoshi Mitani, Hidetaka Natsume | 1998-06-23 |
| 5761113 | Soft error suppressing resistance load type SRAM cell | Hidetaka Natsume, Nolifumi Sato, Hitoshi Mitani | 1998-06-02 |
| 5721619 | Misregistration detecting marks for pattern formed on semiconductor substrate | Norifumi Sato | 1998-02-24 |