Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5106774 | Method of making trench type dynamic random access memory device | Katsuhiko Hieda, Fumio Horiguchi, Takeshi Hamamoto, Akihiro Nitayama, Kazumasa Sunouchi +1 more | 1992-04-21 |
| 4951175 | Semiconductor memory device with stacked capacitor structure and the manufacturing method thereof | Hidehiro Watanabe, Shizuo Sawada | 1990-08-21 |
| 4874719 | Method for manufacturing an electrical connection between conductor levels | — | 1989-10-17 |
| 4505025 | Method for manufacturing a semiconductor device | Fumio Horiguchi | 1985-03-19 |
| 4504333 | Method of making field oxide regions | — | 1985-03-12 |
| 4497108 | Method for manufacturing semiconductor device by controlling thickness of insulating film at peripheral portion of element formation region | — | 1985-02-05 |
| 4472874 | Method of forming planar isolation regions having field inversion regions | Tadashi Shibata | 1984-09-25 |
| 4407851 | Method for manufacturing semiconductor device | Tadashi Shibata | 1983-10-04 |
| 4371407 | Method for producing semiconductor device | — | 1983-02-01 |