Issued Patents 1989
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890261 | Variable word length circuit of semiconductor memory | Hideto Hidaka, Kazuyasu Fujishima | 1989-12-26 |
| 4887136 | Semiconductor memory device and the method for manufacturing the same | Kazuyasu Fujishima | 1989-12-12 |
| 4873669 | Random access memory device operable in a normal mode and in a test mode | Kiyohiro Furutani, Koichiro Mashiko, Kazutami Arimoto, Noriaki Matsumoto | 1989-10-10 |
| 4858447 | Warp-knit tape for hook-and-loop fasteners | — | 1989-08-22 |
| 4855953 | Semiconductor memory device having stacked memory capacitors and method for manufacturing the same | Katsuhiro Tsukamoto, Masahiro Shimizu, Kazuyasu Fujishima | 1989-08-08 |
| 4849938 | Semiconductor memory device | Kiyohiro Furutani, Koichiro Mashiko, Kazutami Arimoto, Noriaki Matsumoto | 1989-07-18 |
| 4838044 | Warp-knit tape for hook-and-loop fasteners | Mitsutoshi Ishihara | 1989-06-13 |
| 4833653 | Dynamic random access memory having selectively activated subarrays | Koichiro Mashiko, Kazutami Arimoto, Kiyohiro Furutani, Noriaki Matsumoto | 1989-05-23 |
| 4833645 | Semiconductor memory device having improved resistance to alpha particle induced soft errors | Kazuyasu Fujishima | 1989-05-23 |
| 4833518 | Semiconductor memory device having improved interconnection structure of memory cell array | Koichiro Mashiko, Kazutami Arimoto, Noriaki Matsumoto, Kiyohiro Furutani | 1989-05-23 |
| 4817056 | Semiconductor memory device | Kiyohiro Furutani, Koichiro Mashiko, Kazutami Arimoto, Noriaki Matsumoto | 1989-03-28 |
| 4811304 | MDS decoder circuit with high voltage suppression of a decoupling transistor | Hideshi Miyatake, Kazuyasu Fujishima | 1989-03-07 |
| 4797001 | Substrate bias generator for use in dynamic random access memory | Noriaki Matsumoto, Koichiro Mashiko, Kazutami Arimoto, Kiyohiro Furutani | 1989-01-10 |