Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7130438 | Acoustic enclosure for single audio transducer | — | 2006-10-31 |
| 6819222 | Inventory control system using R.F. object identification | Shengbo Zhu | 2004-11-16 |
| 6791398 | Data token with power saving switch | Shengbo Zhu | 2004-09-14 |
| 6567010 | Traffic signal head with multiple LED illumination sources | Shengbo Zhu | 2003-05-20 |
| 6360953 | Secure print sensing smart card with on-the-fly-operation | Shengbo Zhu | 2002-03-26 |
| 6348864 | Organizer management system using R.F. identification | Shengbo Zhu | 2002-02-19 |
| 6238553 | Buoyant water chlorinator with temperature, pH measurement and chlorine concentration displays | — | 2001-05-29 |
| 5977875 | Collective objects management system using R.F. object indentification | Shengbo Zhu | 1999-11-02 |
| 5831800 | Miniature transformer for read/write transducer | Shengbo Zhu | 1998-11-03 |
| 5305168 | Thin film transducer suspension assembly with flexuro mounted booster element | Shengbo Zhu | 1994-04-19 |
| 5126971 | Thin film magnetic core memory and method of making same | Shengbo Zhu | 1992-06-30 |
| 5072324 | Thin film transducer/transformer assembly | Shengbo Zhu | 1991-12-10 |