Hitachi Tool Engineering, Ltd.
Records under this name other than the patents Hitachi Tool Engineering, 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 9 patents it holds.
Back to Hitachi Tool Engineering, Ltd.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,090,965 | Slide Part Formerly held In force · High confidence | In force | High confidence | |
| US 9,278,395 | Milling Insert and Milling Tip-Replacement-Type Rotary Cutting Tool Formerly held In force · High confidence | In force | High confidence | |
| US 9,352,401 | Indexable ball end mill Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 9,604,275 | Covering Member with Excellent Sliding Properties Formerly held In force · High confidence | In force | High confidence | |
| US 8,827,600 | Carbide End Mill and Cutting Method Using the End Mill Lapsed on the fee record Ended Sep 9, 2026 · High confidence | Lapsed on the fee record | Ended Sep 9, 2026 | High confidence |
| US 9,937,598 | Cover for Cutting Tool, Holder for Cutting, and Cutting Device Formerly held Lapsed on the fee record Ended Apr 10, 2026 · High confidence | Lapsed on the fee record | Ended Apr 10, 2026 | High confidence |
| US 7,166,155 | Hard film and hard film-coated tool Formerly held Term ended Term ended Aug 22, 2024 · From the USPTO record | Term ended | Term ended Aug 22, 2024 | From the USPTO record |
| US 7,435,487 | Hard film and hard film-coated tool Formerly held Term ended Term ended Apr 7, 2024 · From the USPTO record | Term ended | Term ended Apr 7, 2024 | From the USPTO record |
| US 6,846,135 | Radius end mill having radius edge enhanced in resistance to chipping and fracture Term ended Term ended Aug 1, 2023 · From the USPTO record | Term ended | Term ended Aug 1, 2023 | From the USPTO record |
| US 6,884,006 | Insert-exchangeable, rotary tool and throwaway insert Term ended Term ended Feb 11, 2023 · From the USPTO record | Term ended | Term ended Feb 11, 2023 | From the USPTO record |