Hitachi Process Computer Engineering, Inc.
Records under this name other than patents Hitachi Process Computer Engineering, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to Hitachi Process Computer Engineering, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,975,648 | Network system and communication band control method thereof Lapsed on the fee record Ended Dec 13, 2017 · From the USPTO record | Lapsed on the fee record | Ended Dec 13, 2017 | From the USPTO record |
| US 6,034,749 | Light insensitive type active matrix with P and N regions connected to a reference potential Term ended Term ended Mar 7, 2017 · From the USPTO record | Term ended | Term ended Mar 7, 2017 | From the USPTO record |
| US 6,798,787 | Network system and communication band control method thereof Lapsed on the fee record Ended Sep 28, 2016 · From the USPTO record | Lapsed on the fee record | Ended Sep 28, 2016 | From the USPTO record |
| US 6,437,842 | LCD and projection type display using three metalization layers and black layer Term ended Term ended Oct 6, 2013 · From the USPTO record | Term ended | Term ended Oct 6, 2013 | From the USPTO record |
| US 6,686,976 | Liquid crystal light valve and projection type display using same Term ended Term ended Oct 6, 2013 · From the USPTO record | Term ended | Term ended Oct 6, 2013 | From the USPTO record |
| US 6,693,691 | LCD and projection type display using same Term ended Term ended Oct 6, 2013 · From the USPTO record | Term ended | Term ended Oct 6, 2013 | From the USPTO record |
| US 6,879,358 | LCD and projection type display using same Term ended Term ended Oct 6, 2013 · From the USPTO record | Term ended | Term ended Oct 6, 2013 | From the USPTO record |
| US 6,216,236 | Processing unit for a computer and a computer system incorporating such a processing unit Lapsed on the fee record Ended Apr 10, 2013 · From the USPTO record | Lapsed on the fee record | Ended Apr 10, 2013 | From the USPTO record |
| US 4,680,757 | Method of and apparatus for storing priority levels in token-ring network system Term ended Term ended no later than Jul 14, 2007 · Low confidence | Term ended | Term ended no later than Jul 14, 2007 | Low confidence |
| US 4,855,993 | Method and apparatus for detecting a fault in a ring network data transmission system Term ended Term ended no later than Aug 8, 2009 · Low confidence | Term ended | Term ended no later than Aug 8, 2009 | Low confidence |