Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5361227 | Non-volatile semiconductor memory device and memory system using the same | Tomoharu Tanaka, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 1994-11-01 |
| 5327395 | Page-mode type memory writing control circuit using end-of-page address | Yoshihisa Sugiura, Yoshihisa Iwata, Yasuo Itoh, Tomoharu Tanaka, Yoshiyuki Tanaka | 1994-07-05 |
| 5293337 | Electrically erasable programmable read-only memory with electric field decreasing controller | Seiichi Aritome, Riichiro Shirota, Ryouhei Kirisawa, Yoshihisa Iwata | 1994-03-08 |
| 5280454 | Electrically erasable programmable read-only memory with block-erase function | Tomoharu Tanaka, Yoshihisa Iwata, Koji Sakui | 1994-01-18 |
| 5278794 | NAND-cell type electrically erasable and programmable read-only memory with redundancy circuit | Yoshiyuki Tanaka, Yasuo Itoh, Yoshihisa Iwata, Tomoharu Tanaka | 1994-01-11 |