Htachi, Ltd.
Records under this name other than patents Htachi, Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 8 of 8 · Back to Htachi, Ltd.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US D570,386 | Video camera with recorder and player Term ended Term ended Jun 3, 2022 · From the USPTO record | Term ended | Term ended Jun 3, 2022 | From the USPTO record |
| US 7,184,491 | Wireless communication apparatus Lapsed on the fee record Ended Feb 27, 2019 · From the USPTO record | Lapsed on the fee record | Ended Feb 27, 2019 | From the USPTO record |
| US 7,149,930 | Recording/Reproducing Apparatus Formerly held Lapsed on the fee record Ended Dec 12, 2018 · High confidence | Lapsed on the fee record | Ended Dec 12, 2018 | High confidence |
| US 6,188,654 | Method and apparatus for recording/reproducing by pre-pits detection Term ended Term ended Jun 22, 2018 · From the USPTO record | Term ended | Term ended Jun 22, 2018 | From the USPTO record |
| US 6,212,117 | Duplicate bitline self-time technique for reliable memory operation Formerly held Lapsed on the fee record Ended Apr 3, 2013 · From the USPTO record | Lapsed on the fee record | Ended Apr 3, 2013 | From the USPTO record |
| US 6,256,341 | Spread spectrum receiver using digital matched filter Lapsed on the fee record Ended Jul 3, 2009 · From the USPTO record | Lapsed on the fee record | Ended Jul 3, 2009 | From the USPTO record |
| US 4,351,704 | Production method for solder coated conductor wiring Term ended Term ended no later than Sep 28, 2002 · Low confidence | Term ended | Term ended no later than Sep 28, 2002 | Low confidence |
| US 4,802,192 | Circuit for detecting synchronizing code Term ended Term ended no later than Jan 31, 2009 · Low confidence | Term ended | Term ended no later than Jan 31, 2009 | Low confidence |