Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5942809 | Method and apparatus for generating internal supply voltage | — | 1999-08-24 |
| 5856756 | Internal voltage generating circuit | Katsuhiko Sasahara | 1999-01-05 |
| 5446694 | Semiconductor memory device | Takayuki Tanaka, Junichi Suyama, Kazukiyo Fukudome | 1995-08-29 |
| 5255223 | Semiconductor memory device having alternatively operated equalizing and erasing functions | Takayuki Tanaka, Shinya Takahashi, Toshiharu Watanabe | 1993-10-19 |