Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10196040 | Direction crossing detector for containment boundary | Scott J. Carter | 2019-02-05 |
| 9845072 | Direction crossing detector for containment boundary | Scott J. Carter | 2017-12-19 |
| 7729168 | Reduced signal level support for memory devices | John F. Zumkehr, Jeffrey E. Smith | 2010-06-01 |
| 7623032 | Object controlled access and inventory system | Roger A. Niederland, John F. Zumkehr | 2009-11-24 |
| 7152008 | Calibrated differential voltage crossing | John F. Zumkehr, Renjeng Chiang | 2006-12-19 |
| 7095245 | Internal voltage reference for memory interface | John F. Zumkehr, Ray Chiang | 2006-08-22 |
| 7071728 | Hybrid compensated buffer design | John F. Zumkehr, Arnaud J. Forestier | 2006-07-04 |
| 7046062 | Method and device for symmetrical slew rate calibration | John F. Zumkehr | 2006-05-16 |
| 6965529 | Memory bus termination | John F. Zumkehr | 2005-11-15 |
| 6922077 | Hybrid compensated buffer design | John F. Zumkehr, Arnaud J. Forestier | 2005-07-26 |
| 6864731 | Method and device for symmetrical slew rate calibration | John F. Zumkehr | 2005-03-08 |
| 6617895 | Method and device for symmetrical slew rate calibration | John F. Zumkehr | 2003-09-09 |