Sango Co., Ltd.
Records under this name other than the patents Sango 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 18 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 11,384,678 | Heat Insulating Cover for Exhaust Device Lapsed on the fee record Ended Jul 12, 2026 · High confidence | Lapsed on the fee record | Ended Jul 12, 2026 | High confidence |
| US 7,174,635 | Method for producing a columnar member container Term ended Term ended Jul 21, 2025 · From the USPTO record | Term ended | Term ended Jul 21, 2025 | From the USPTO record |
| US 9,683,478 | Dispersion Plate and Internal Combustion Engine Lapsed on the fee record Ended Jun 20, 2025 · High confidence | Lapsed on the fee record | Ended Jun 20, 2025 | High confidence |
| US 7,111,392 | Method of producing a fragile substrate container Term ended Term ended Dec 7, 2024 · From the USPTO record | Term ended | Term ended Dec 7, 2024 | From the USPTO record |
| US 10,704,494 | Heat Recovery Structure Lapsed on the fee record Ended Jul 7, 2024 · High confidence | Lapsed on the fee record | Ended Jul 7, 2024 | High confidence |
| US 9,368,795 | Lithium secondary battery negative electrode and method for manufacturing the same Lapsed on the fee record Ended Jun 14, 2024 · From the USPTO record | Lapsed on the fee record | Ended Jun 14, 2024 | From the USPTO record |
| US 10,675,667 | Pipe bend die unit Lapsed on the fee record Ended Jun 9, 2024 · From the USPTO record | Lapsed on the fee record | Ended Jun 9, 2024 | From the USPTO record |
| US 10,662,490 | Hardening apparatus for a long member, and a hardening method for a long member Lapsed on the fee record Ended May 26, 2024 · From the USPTO record | Lapsed on the fee record | Ended May 26, 2024 | From the USPTO record |
| US 9,285,114 | Burner Formerly held Lapsed on the fee record Ended Mar 15, 2024 · From the USPTO record | Lapsed on the fee record | Ended Mar 15, 2024 | From the USPTO record |
| US 9,249,704 | Burner for exhaust gas purification devices Formerly held Lapsed on the fee record Ended Feb 2, 2024 · From the USPTO record | Lapsed on the fee record | Ended Feb 2, 2024 | From the USPTO record |