Issued Patents 2004
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6813210 | Semiconductor memory device requiring refresh operation | Takeo Okamoto, Tetsuichiro Ichiguchi, Hideki Yonetani, Tsutomu Nagasawa, Tadaaki Yamauchi +2 more | 2004-11-02 |
| 6784718 | Semiconductor device adaptable to a plurality of kinds of interfaces | Takeo Okamoto, Tadaaki Yamauchi, Shinichi Jinbo, Makoto Suwa | 2004-08-31 |
| 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 |
| 6765838 | Refresh control circuitry for refreshing storage data | Tadaaki Yamauchi, Takeo Okamoto | 2004-07-20 |
| 6744298 | Semiconductor device | Tadaaki Yamauchi, Takeo Okamoto | 2004-06-01 |
| 6731558 | Semiconductor device | Tadaaki Yamauchi, Takeo Okamoto | 2004-05-04 |
| 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, Zengcheng Tian, Makoto Suwa +2 more | 2004-04-20 |
| 6721223 | Semiconductor memory device | Tadaaki Yamauchi, Takeo Okamoto | 2004-04-13 |
| 6717460 | Semiconductor device | Tadaaki Yamauchi, Takeo Okamoto, Zengcheng Tian | 2004-04-06 |
| 6714461 | Semiconductor device with data output circuit having slew rate adjustable | Tadaaki Yamauchi, Takeo Okamoto | 2004-03-30 |
| 6697296 | Clock synchronous semiconductor memory device | Tadaaki Yamauchi, Takeo Okamoto | 2004-02-24 |