Apt Co., Ltd
Records under this name other than patents Apt Co., Ltd holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,452,554 | Platinum nanocolloid solution, process for producing the same and drink containing platinum nanocolloid Term ended Term ended May 10, 2025 · From the USPTO record | Term ended | Term ended May 10, 2025 | From the USPTO record |
| US 7,838,043 | Superoxide anion decomposing agent Lapsed on the fee record Ended Nov 23, 2022 · From the USPTO record | Lapsed on the fee record | Ended Nov 23, 2022 | From the USPTO record |
| US 6,583,236 | Polyolefin compositions having enhanced ultraviolet and oxidative resistance and methods for their production and use Formerly held Term ended Term ended Feb 4, 2020 · From the USPTO record | Term ended | Term ended Feb 4, 2020 | From the USPTO record |
| US 7,588,747 | Singlet Oxygen Quencher and Composition Using the Same Lapsed on the fee record Ended Sep 15, 2017 · High confidence | Lapsed on the fee record | Ended Sep 15, 2017 | High confidence |
| US 6,843,832 | Compound/curvilinear immiscible liquid separator apparatus and method Lapsed on the fee record Ended Jan 18, 2017 · From the USPTO record | Lapsed on the fee record | Ended Jan 18, 2017 | From the USPTO record |
| US 6,168,741 | Moulded footwear Formerly held Lapsed on the fee record Ended Jan 2, 2009 · From the USPTO record | Lapsed on the fee record | Ended Jan 2, 2009 | From the USPTO record |
| US 6,739,741 | Display device by columnar light Lapsed on the fee record Ended May 25, 2008 · From the USPTO record | Lapsed on the fee record | Ended May 25, 2008 | From the USPTO record |
| US 4,163,649 | Collection of fine particles from a gas stream by moving the gas stream upward through a shallow bed of solid granules Term ended Term ended no later than Aug 7, 1999 · Low confidence | Term ended | Term ended no later than Aug 7, 1999 | Low confidence |
| US 4,169,714 | Removal of fine particles from a gas stream by solid particle addition in venturi contactor Term ended Term ended no later than Oct 2, 1999 · Low confidence | Term ended | Term ended no later than Oct 2, 1999 | Low confidence |
| US 4,220,817 | Audio playback systems Term ended Term ended no later than Sep 2, 2000 · Low confidence | Term ended | Term ended no later than Sep 2, 2000 | Low confidence |