Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7551504 | Apparatus and method of detecting refresh cycle of semiconductor memory | — | 2009-06-23 |
| 7548478 | Circuit and method for selecting test self-refresh period of semiconductor memory device | — | 2009-06-16 |
| 7486583 | Self-refresh period measurement circuit of semiconductor device | — | 2009-02-03 |
| 7301841 | Circuit and method for selecting test self-refresh period of semiconductor memory device | — | 2007-11-27 |
| 5272627 | Data converter for CT data acquisition system | Robert H. Maschhoff | 1993-12-21 |
| 4707673 | Directional coupling transformer for bi-directional full duplex data bus | Robert H. Maschhoff | 1987-11-17 |
| 4692909 | Adaptive seismic signal processor | Michael F. Gard, Ralph E. Warmack, Robert H. Maschhoff | 1987-09-08 |