Issued Patents 2003
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671200 | Ferroelectric random access memory with isolation transistors coupled between a sense amplifier and an equalization circuit | Ryu Ogiwara, Sumio Tanaka, Yukihito Oowaki, Yoshiaki Takeuchi | 2003-12-30 |
| 6657883 | Semiconductor memory device | — | 2003-12-02 |
| 6657882 | Semiconductor memory device and various systems mounting them | — | 2003-12-02 |
| 6643163 | Semiconductor device | — | 2003-11-04 |
| 6625053 | Nonvolatile semiconductor memory device having ferroelectric capacitors | — | 2003-09-23 |
| 6574133 | Nonvolatile ferroelectric memory device having dummy cell circuit | — | 2003-06-03 |
| 6552922 | Chain-type ferroelectric random access memory (FRAM) with rewrite transistors coupled between a sense amplifier and a bit line pair | Ryu Ogiwara, Sumio Tanaka, Yukihito Oowaki, Yoshiaki Takeuchi | 2003-04-22 |
| 6549449 | Semiconductor device | — | 2003-04-15 |
| 6522589 | Semiconductor apparatus and mode setting method for semiconductor apparatus | Tadashi Miyakawa, Yukihito Oowaki | 2003-02-18 |
| 6507510 | Nonvolatile semiconductor memory device having ferroelectric capacitors | — | 2003-01-14 |