Issued Patents 2002
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6489796 | Semiconductor device provided with boost circuit consuming less current | — | 2002-12-03 |
| 6480946 | Memory system for synchronized and high speed data transfer | Masatoshi Ishikawa, Tsukasa Ooishi | 2002-11-12 |
| 6470467 | Synchronous semiconductor memory device capable of performing operation test at high speed while reducing burden on tester | Tsukasa Ooishi | 2002-10-22 |
| 6466509 | Semiconductor memory device having a column select line transmitting a column select signal | Hiroaki Tanizaki, Mitsutaka Niiro, Masanao Maruta, Hiroshi Kato, Masatoshi Ishikawa +3 more | 2002-10-15 |
| 6438066 | Synchronous semiconductor memory device allowing control of operation mode in accordance with operation conditions of a system | Tsukasa Ooishi, Masatoshi Ishikawa | 2002-08-20 |
| 6429495 | Semiconductor device with address programming circuit | Tsukasa Ooishi, Hiroki Shimano | 2002-08-06 |
| 6414883 | Semiconductor memory device | Hideto Hidaka, Mikio Asakura, Kazuyasu Fujishima, Tsukasa Ooishi, Kazutami Arimoto +1 more | 2002-07-02 |
| 6411560 | Semiconductor memory device capable of reducing leakage current flowing into substrate | Hiroaki Tanizaki, Mitsutaka Niiro, Masanao Maruta, Hiroshi Kato, Masatoshi Ishikawa +3 more | 2002-06-25 |
| 6400632 | Semiconductor device including a fuse circuit in which the electric current is cut off after blowing so as to prevent voltage fall | Hiroaki Tanizaki, Hideto Hidaka, Tsukasa Ooishi, Hiroshi Kato | 2002-06-04 |
| 6385125 | Synchronous semiconductor integrated circuit device capable of test time reduction | Tsukasa Ooishi, Hiroaki Tanizaki, Yutaka Komai | 2002-05-07 |
| 6384674 | Semiconductor device having hierarchical power supply line structure improved in operating speed | Hiroaki Tanizaki, Tsukasa Ooishi, Masatoshi Ishikawa, Hideto Hidaka, Takaharu Tsuji | 2002-05-07 |
| 6377508 | Dynamic semiconductor memory device having excellent charge retention characteristics | Kazutami Arimoto | 2002-04-23 |
| 6373315 | Signal potential conversion circuit | Takaharu Tsuji, Tsukasa Ooishi | 2002-04-16 |