PSK Inc.
Records under this name other than the patents PSK Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 35 patents it holds.
Showing 1 to 2 of 2 · Back to PSK Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,111,629 | Method for cleaning substrate surface Term ended Term ended Jan 4, 2022 · From the USPTO record | Term ended | Term ended Jan 4, 2022 | From the USPTO record |
| US 8,574,445 | Method for generating hollow cathode plasma and method for treating large area substrate using hollow cathode plasma Lapsed on the fee record Ended Nov 5, 2017 · From the USPTO record | Lapsed on the fee record | Ended Nov 5, 2017 | From the USPTO record |