Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364811 | Method of manufacturing a semiconductor memory device with multiple device forming regions | Natsuo Ajika, Hideaki Arima, Kaoru Motonami, Atsushi Hachisuka | 1994-11-15 |
| 5276344 | Field effect transistor having impurity regions of different depths and manufacturing method thereof | Hideaki Arima, Makoto Ohi, Natsuo Ajika, Atsushi Hachisuka | 1994-01-04 |