Korg Inc.
Records under this name other than the patents Korg 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 10 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,583,300 | Vacuum Tube Formerly held In force · High confidence | In force | High confidence | |
| US 7,053,710 | Vacuum tube amplifier having grid as output and plate as input Term ended Term ended Apr 2, 2024 · From the USPTO record | Term ended | Term ended Apr 2, 2024 | From the USPTO record |
| US 7,397,303 | Vacuum tube circuit Term ended Term ended Mar 22, 2024 · From the USPTO record | Term ended | Term ended Mar 22, 2024 | From the USPTO record |
| US D594,053 | Contoured guitar Term ended Term ended Jun 9, 2023 · From the USPTO record | Term ended | Term ended Jun 9, 2023 | From the USPTO record |
| US D593,147 | Contoured guitar Term ended Term ended May 26, 2023 · From the USPTO record | Term ended | Term ended May 26, 2023 | From the USPTO record |
| US 6,901,149 | Audio mixer Term ended Term ended Jan 7, 2023 · From the USPTO record | Term ended | Term ended Jan 7, 2023 | From the USPTO record |
| US 7,705,223 | Ergonomic guitar Lapsed on the fee record Ended Apr 27, 2022 · From the USPTO record | Lapsed on the fee record | Ended Apr 27, 2022 | From the USPTO record |
| US 6,350,943 | Electric instrument amplifier Term ended Term ended Dec 28, 2020 · From the USPTO record | Term ended | Term ended Dec 28, 2020 | From the USPTO record |
| US 6,229,387 | Output signal converter for ampliciation or attenuation of tube amplifier output while maintaining output properties Term ended Term ended Oct 25, 2020 · From the USPTO record | Term ended | Term ended Oct 25, 2020 | From the USPTO record |
| US 6,845,165 | Acoustic effect apparatus and method and program recorded medium therefor Term ended Term ended Dec 21, 2019 · From the USPTO record | Term ended | Term ended Dec 21, 2019 | From the USPTO record |