Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5300444 | Method of manufacturing a semiconductor device having a stacked structure formed of polycrystalline silicon film and silicon oxide film | Atsushi Hachisuka, Masao Nagatomo, Ikuo Ogoh, Hideki Genjou, Takayuki Matsukawa | 1994-04-05 |
| 5281838 | Semiconductor device having contact between wiring layer and impurity region | Atsushi Hachisuka | 1994-01-25 |
| 5280444 | Dram comprising stacked-type capacitor having vertically protruding part and method of manufacturing the same | Kaoru Motonami | 1994-01-18 |