Johnson Liu
7Patents
3h-index
39Co-inventors
57Inventor score
Filing activity: Mar 24, 1986 → Jan 29, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5512768A | Capacitor for use in DRAM cell using surface oxidized silicon nodules | Electricity | 12 | Expired |
| USD650013S1 | Literature holder | General | 8 | Expired |
| USD289279S | Video tape rewinder | General | 7 | Expired |
| USD645906S1 | Literature holder | General | 2 | Expired |
| US10853511B2 | Securely accessing and processing data in a multi-tenant data store | Electricity | 1 | Active |
| US11880659B2 | Hierarchical natural language understanding systems | Physics | 1 | Active |
| US11769013B2 | Machine learning based tenant-specific chatbots for performing actions in a multi-tenant system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.