Apex Microtechnology, Inc.
Records under this name other than the patents Apex Microtechnology, 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 5 patents it holds.
Back to Apex Microtechnology, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,339,433 | Differential Amplifier Stage Term ended Term ended Aug 10, 2026 · High confidence | Term ended | Term ended Aug 10, 2026 | High confidence |
| US 6,496,068 | Multi-stage amplifier circuit Term ended Term ended Nov 14, 2020 · From the USPTO record | Term ended | Term ended Nov 14, 2020 | From the USPTO record |
| US 7,786,799 | Trimming Technique for High Voltage Amplifiers Using Floating Low Voltage Structures Lapsed on the fee record Ended Aug 31, 2018 · High confidence | Lapsed on the fee record | Ended Aug 31, 2018 | High confidence |
| US 7,477,088 | Power Supplies for Driving H-Bridges Lapsed on the fee record Ended Jan 13, 2017 · High confidence | Lapsed on the fee record | Ended Jan 13, 2017 | High confidence |
| US 7,292,087 | Power Supplies for Driving H-Bridges Lapsed on the fee record Ended Nov 6, 2015 · High confidence | Lapsed on the fee record | Ended Nov 6, 2015 | High confidence |
| US 4,808,909 | Bias voltage and constant current supply circuit Term ended Term ended no later than Feb 28, 2009 · Low confidence | Term ended | Term ended no later than Feb 28, 2009 | Low confidence |
| US 4,833,423 | Apparatus and method for a wide-band direct-coupled transistor amplifier Term ended Term ended no later than May 23, 2009 · Low confidence | Term ended | Term ended no later than May 23, 2009 | Low confidence |
| US 4,871,965 | Environmental testing facility for electronic components Term ended Term ended no later than Oct 3, 2009 · Low confidence | Term ended | Term ended no later than Oct 3, 2009 | Low confidence |
| US 5,142,243 | Apparatus and method for an input stage of an operational amplifier Term ended Term ended no later than Aug 25, 2012 · Low confidence | Term ended | Term ended no later than Aug 25, 2012 | Low confidence |
| US 5,210,505 | Apparatus and method for an input stage of an operational amplifier Term ended Term ended no later than May 11, 2013 · Low confidence | Term ended | Term ended no later than May 11, 2013 | Low confidence |