Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5592427 | Semiconductor memory having a sense amplifier with load transistors having different load characteristics | Hirokazu Yamazaki, Hisayoshi Watanabe, Yasushi Kasa | 1997-01-07 |
| 5566386 | Nonvolatile semiconductor memory device having a status register and test method for the same | Hirokazu Yamazaki, Hisayoshi Watanabe, Yasushi Kasa | 1996-10-15 |
| 5519652 | Nonvolatile semiconductor memory for positively holding stored data | Yasushige Ogawa, Takao Akaogi, Tetsuya Chida | 1996-05-21 |
| 5469394 | Nonvolatile semiconductor memory device having a status register and test method for the same | Hirokazu Yamazaki, Hisayoshi Watanabe, Yasushi Kasa | 1995-11-21 |
| 5412337 | Semiconductor device providing reliable conduction test of all terminals | — | 1995-05-02 |
| 5402380 | Nonvolatile semiconductor memory device having a status register and test method for the same | Hirokazu Yamazaki, Hisayoshi Watanabe, Yasushi Kasa | 1995-03-28 |
| 5291046 | Semiconductor memory device | — | 1994-03-01 |