4D-S PTY, LTD
13Patents
12Active
13Granted
45Portfolio score
Filing activity: Oct 15, 2004 → Dec 2, 2016 · 6 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7932548B2 | Systems and methods for fabricating self-aligned memory cell | Electricity | 4 | Active |
| US8367513B2 | Systems and methods for fabricating self-aligned memory cell | Electricity | 4 | Active |
| US8395199B2 | Systems and methods for fabricating self-aligned memory cell | Electricity | 3 | Active |
| US8454810B2 | Dual hexagonal shaped plasma source | Electricity | 2 | Active |
| US8308915B2 | Systems and methods for magnetron deposition | Electricity | 1 | Active |
| US8378345B2 | Heterojunction oxide non-volatile memory device | Physics | 1 | Active |
| US9293201B2 | Heterojunction oxide non-volatile memory devices | Physics | 1 | Active |
| US8698120B2 | Heterojunction oxide non-volatile memory device | Physics | 1 | Active |
| US7425504B2 | Systems and methods for plasma etching | Electricity | 0 | Expired |
| US10003020B2 | Heterojunction oxide non-volatile memory device | Physics | 0 | Active |
| US7985960B2 | Voltage excited piezoelectric resistance memory cell system | Physics | 0 | Active |
| US8884401B2 | Systems and methods for fabricating self-aligned memory cell | Electricity | 0 | Active |
| US9520559B2 | Heterojunction oxide non-volatile memory device | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.