Polyplastics Co., Ltd.
Records under this name other than the patents Polyplastics Co., Ltd. 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 62 patents it holds.
Back to Polyplastics Co., Ltd.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,988,907 | Method for Manufacturing Pressure-Resistant Container Liner and Liquid Crystal Resin Liner Formerly held In force · Medium confidence | In force | Medium confidence | |
| US 8,529,824 | Method for Manufacturing Pressure-Resistant Container Liner and Liquid Crystal Resin Liner Formerly held In force · Medium confidence | In force | Medium confidence | |
| US 8,063,163 | Cycloolefin Copolymer Formerly held In force · High confidence | In force | High confidence | |
| US 10,655,007 | Polyalkylene Terephthalate Resin Composition Formerly held In force · High confidence | In force | High confidence | |
| US 11,697,232 | Metal Resin Composite-Molded Article and Method for Manufacturing Same Formerly held In force · High confidence | In force | High confidence | |
| US 10,017,643 | Corona-Resistant Resin Composition, Method for Developing Corona Resistance of Resin Composition, and Corona-Resistant Member Lapsed on the fee record Ended Jul 10, 2026 · High confidence | Lapsed on the fee record | Ended Jul 10, 2026 | High confidence |
| US 8,648,142 | Poly (arylene sulfide) resin composition and production process thereof Lapsed on the fee record Ended Feb 11, 2026 · From the USPTO record | Lapsed on the fee record | Ended Feb 11, 2026 | From the USPTO record |
| US 9,884,953 | Polybutylene terephthalate resin composition and molded article thereof Lapsed on the fee record Ended Feb 6, 2026 · From the USPTO record | Lapsed on the fee record | Ended Feb 6, 2026 | From the USPTO record |
| US 8,633,264 | Polyacetal resin composition Lapsed on the fee record Ended Jan 21, 2026 · From the USPTO record | Lapsed on the fee record | Ended Jan 21, 2026 | From the USPTO record |
| US 8,530,555 | Polybutylene terephthalate resin composition Lapsed on the fee record Ended Sep 10, 2025 · From the USPTO record | Lapsed on the fee record | Ended Sep 10, 2025 | From the USPTO record |