Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6885235 | Semiconductor integrated circuit device with internal power supply potential generation circuit | Shigeki Tomishima, Masanao Maruta, Hiroshi Kato, Masatoshi Ishikawa, Takaharu Tsuji +3 more | 2005-04-26 |
| 6794679 | Semiconductor device that can measure timing difference between input and output signals | — | 2004-09-21 |
| 6785858 | Semiconductor device capable of adjusting timing of input waveform by tester with high accuracy | — | 2004-08-31 |
| 6744683 | Semiconductor device removing disconnection defect in fuse element of its program circuit to stably perform coincidence comparison operation | — | 2004-06-01 |
| 6466509 | Semiconductor memory device having a column select line transmitting a column select signal | Hiroaki Tanizaki, Shigeki Tomishima, Masanao Maruta, Hiroshi Kato, Masatoshi Ishikawa +3 more | 2002-10-15 |
| 6411560 | Semiconductor memory device capable of reducing leakage current flowing into substrate | Hiroaki Tanizaki, Shigeki Tomishima, Masanao Maruta, Hiroshi Kato, Masatoshi Ishikawa +3 more | 2002-06-25 |
| 6178125 | Semiconductor memory device preventing repeated use of spare memory cell and repairable by cell substitution up to two times | — | 2001-01-23 |
| 5475268 | Semiconductor device having an alignment mark | Tomoya Kawagoe, Akihisa Oishi, Katsumi Dosaka | 1995-12-12 |