Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6043749 | Frequency detection circuit | Hirofumi Saito | 2000-03-28 |
| 6028335 | Semiconductor device | Yuji Okamoto | 2000-02-22 |
| 5086413 | Non-volatile semiconductor memory device having an improved testing mode of operation and method of forming checkerwise test pattern in memory cell array | Toshihide Tsuboi | 1992-02-04 |