Hitachi Electronics, Ltd.
Records under this name other than patents Hitachi Electronics, Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to Hitachi Electronics, Ltd.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 3,932,698 | Multiplex signal transmission system Term ended Term ended no later than Jan 13, 1996 · Low confidence | Term ended | Term ended no later than Jan 13, 1996 | Low confidence |
| US 3,936,595 | Signal transmission system for transmitting programed information such as programed instruction Term ended Term ended no later than Feb 3, 1996 · Low confidence | Term ended | Term ended no later than Feb 3, 1996 | Low confidence |
| US 3,941,920 | Receiver for a still picture broadcasting signal Term ended Term ended no later than Mar 2, 1996 · Low confidence | Term ended | Term ended no later than Mar 2, 1996 | Low confidence |
| US 3,955,274 | Method of manufacturing a low energy-loss waveguide circuit element Term ended Term ended no later than May 11, 1996 · Low confidence | Term ended | Term ended no later than May 11, 1996 | Low confidence |
| US 3,967,484 | Method of manufacturing a low energy-loss waveguide circuit element Term ended Term ended no later than Jul 6, 1996 · Low confidence | Term ended | Term ended no later than Jul 6, 1996 | Low confidence |
| US 3,972,066 | Method for image regulation of color monitors in proof-viewing and an apparatus therefor Term ended Term ended no later than Jul 27, 1996 · Low confidence | Term ended | Term ended no later than Jul 27, 1996 | Low confidence |
| US 3,973,079 | Two-level picture signal transmission system Term ended Term ended no later than Aug 3, 1996 · Low confidence | Term ended | Term ended no later than Aug 3, 1996 | Low confidence |
| US 3,975,657 | Method of and apparatus for controlling amount of electron beam in image pickup tube Term ended Term ended no later than Aug 17, 1996 · Low confidence | Term ended | Term ended no later than Aug 17, 1996 | Low confidence |
| US 3,984,189 | Method and apparatus for detecting defects in a surface regardless of surface finish Term ended Term ended no later than Oct 5, 1996 · Low confidence | Term ended | Term ended no later than Oct 5, 1996 | Low confidence |
| US 3,986,102 | Low loss stabilized power supply circuit Term ended Term ended no later than Oct 12, 1996 · Low confidence | Term ended | Term ended no later than Oct 12, 1996 | Low confidence |