Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7016227 | Nonvolatile random access memory and method of fabricating the same | — | 2006-03-21 |
| 6992928 | Semiconductor memory device with an improved memory cell structure and method of operating the same | — | 2006-01-31 |
| 5028990 | Semiconductor memory device having improved dynamic memory cell structure | Hiroshi Kotaki | 1991-07-02 |
| 4969022 | Dynamic random access memory device having a plurality of improved one-transistor type memory cells | Shozo Nishimoto, Hiroshi Kotaki | 1990-11-06 |
| 4878105 | Semiconductor device having wiring layer composed of silicon film and aluminum film with improved contact structure thereof | Noboru Hirakawa | 1989-10-31 |
| 4845539 | Semiconductor memory device | — | 1989-07-04 |
| 4695980 | Integrated circuit having a common input terminal | Yukio Fukuzo | 1987-09-22 |
| 4692642 | Active pull-up circuit controlled by a single pull-up clock signal | Yukio Fukuzo | 1987-09-08 |