Issued Patents 1994
Showing 1–5 of 5 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, Tomonori Okudaira | 1994-11-15 |
| 5338699 | Method of making a semiconductor integrated device having gate sidewall structure | Makoto Ohi, Hideaki Arima, Natsuo Ajika, Yasushi Matsui | 1994-08-16 |
| 5300444 | Method of manufacturing a semiconductor device having a stacked structure formed of polycrystalline silicon film and silicon oxide film | Masao Nagatomo, Ikuo Ogoh, Hideki Genjou, Yoshinori Okumura, Takayuki Matsukawa | 1994-04-05 |
| 5281838 | Semiconductor device having contact between wiring layer and impurity region | Yoshinori Okumura | 1994-01-25 |
| 5276344 | Field effect transistor having impurity regions of different depths and manufacturing method thereof | Hideaki Arima, Makoto Ohi, Natsuo Ajika, Tomonori Okudaira | 1994-01-04 |