Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6954103 | Semiconductor device having internal voltage generated stably | Tadaaki Yamauchi, Junko Matsumoto, Takeo Okamoto, Makoto Suwa, Tetsuichiro Ichiguchi +2 more | 2005-10-11 |
| 6873563 | Semiconductor circuit device adaptable to plurality of types of packages | Makoto Suwa, Junko Matsumoto, Tadaaki Yamauchi, Takeo Okamoto, Tetsuichiro Ichiguchi +2 more | 2005-03-29 |
| 6813210 | Semiconductor memory device requiring refresh operation | Takeo Okamoto, Tetsuichiro Ichiguchi, Hideki Yonetani, Tsutomu Nagasawa, Tadaaki Yamauchi +2 more | 2004-11-02 |
| 6775177 | Semiconductor memory device switchable to twin memory cell configuration | Takeo Okamoto, Tetsuichiro Ichiguchi, Hideki Yonetani, Tsutomu Nagasawa, Makoto Suwa +2 more | 2004-08-10 |
| 6724679 | Semiconductor memory device allowing high density structure or high performance | Tsutomu Nagasawa, Hideki Yonetani, Kozo Ishida, Shinichi Jinbo, Makoto Suwa +3 more | 2004-04-20 |
| 6724223 | Semiconductor device used in two systems having different power supply voltages | Tetsuichiro Ichiguchi, Tsutomu Nagasawa, Tadaaki Yamauchi, Makoto Suwa, Junko Matsumoto +2 more | 2004-04-20 |
| 6717460 | Semiconductor device | Tadaaki Yamauchi, Takeo Okamoto, Junko Matsumoto | 2004-04-06 |
| 6625050 | Semiconductor memory device adaptable to various types of packages | Makoto Suwa, Shinichi Jinbo, Takeo Okamoto, Kozo Ishida, Hideki Yonetani +3 more | 2003-09-23 |
| 5943280 | Semiconductor memory device which can be tested while selecting word lines successively at high speed | Yukihiro Tsukamoto, Koji Kimura, Masaki Nishimoto, Masayuki Kasamoto, Naotaka Okada +5 more | 1999-08-24 |