Semiconductor Research Foundation
Records under this name other than patents Semiconductor Research Foundation holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 3,946,270 | Signal collecting and distributing systems Term ended Term ended no later than Mar 23, 1996 · Low confidence | Term ended | Term ended no later than Mar 23, 1996 | Low confidence |
| US 3,947,548 | Process of growing single crystals of gallium phosphide Term ended Term ended no later than Mar 30, 1996 · Low confidence | Term ended | Term ended no later than Mar 30, 1996 | Low confidence |
| US 3,990,902 | Magnesium-titanate-comprising spinel single crystal substrate for semiconductor devices Term ended Term ended no later than Nov 9, 1996 · Low confidence | Term ended | Term ended no later than Nov 9, 1996 | Low confidence |
| US 4,038,610 | Luminosity control system employing semiconductor lasers Term ended Term ended no later than Jul 26, 1997 · Low confidence | Term ended | Term ended no later than Jul 26, 1997 | Low confidence |
| US 4,086,611 | Static induction type thyristor Term ended Term ended no later than Apr 25, 1998 · Low confidence | Term ended | Term ended no later than Apr 25, 1998 | Low confidence |
| US 4,126,731 | Sapphire single crystal substrate for semiconductor devices Term ended Term ended no later than Nov 21, 1998 · Low confidence | Term ended | Term ended no later than Nov 21, 1998 | Low confidence |
| US 4,171,995 | Epitaxial deposition process for producing an electrostatic induction type thyristor Term ended Term ended no later than Oct 23, 1999 · Low confidence | Term ended | Term ended no later than Oct 23, 1999 | Low confidence |
| US 4,177,321 | Single crystal of semiconductive material on crystal of insulating material Term ended Term ended no later than Dec 4, 1999 · Low confidence | Term ended | Term ended no later than Dec 4, 1999 | Low confidence |
| US 4,198,645 | Semiconductor controlled rectifier having gate grid dividing surrounding zone into two different impurity concentration sections Term ended Term ended no later than Apr 15, 2000 · Low confidence | Term ended | Term ended no later than Apr 15, 2000 | Low confidence |
| US 4,292,373 | Sapphire single crystal substrate for semiconductor devices Term ended Term ended no later than Sep 29, 2001 · Low confidence | Term ended | Term ended no later than Sep 29, 2001 | Low confidence |