Issued Patents 1994
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374838 | Semiconductor device having different impurity concentration wells | Syuso Fujii, Masaki Ogihara | 1994-12-20 |
| 5356830 | Semiconductor device and its manufacturing method | Susumu Yoshikawa, Shuichi Samata, Satoshi Maeda | 1994-10-18 |
| 5324975 | Semiconductor memory device | Jumpei Kumagai | 1994-06-28 |
| 5302542 | Method of making a semiconductor memory device | Koichi Kishi | 1994-04-12 |
| 5302844 | Semiconductor device and method for manufacturing the same | Tomohisa Mizuno | 1994-04-12 |
| 5276343 | Semiconductor memory device having a bit line constituted by a semiconductor layer | Jumpei Kumagai | 1994-01-04 |