Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12224703 | Fixed DC bus and hydrogen generation system | Alexander W. Au, Venkata Rahul Abbaraju, Yang Liu | 2025-02-11 |
| D910370 | Drinking lid bottom | Angus Yiu | 2021-02-16 |
| D896026 | Drinking lid top | Angus Yiu | 2020-09-15 |
| 8160993 | System and methods for evaluating inferences of unknown attributes in a social network | Jianming He, Zhenyu Liu | 2012-04-17 |
| 7548910 | System and method for retrieving scenario-specific documents | Zhenyu Liu, Qinghua Zou | 2009-06-16 |
| 6427146 | Database event detection and notification system using type abstraction hierarchy (TAH) | — | 2002-07-30 |
| 5956707 | Database system with query relaxation using type abstraction hierarchy (TAH) as query condition relaxation structure | — | 1999-09-21 |
| 4415991 | Multiplexed MOS multiaccess memory system | David G. Hibbits | 1983-11-15 |