Seiko Instruments & Electronics Ltd.
Records under this name other than patents Seiko Instruments & Electronics Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to Seiko Instruments & Electronics Ltd.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,432,476 | Band attachment assembly for attaching a watchband to a watchcase Term ended Term ended no later than Feb 21, 2004 · Low confidence | Term ended | Term ended no later than Feb 21, 2004 | Low confidence |
| US 4,433,401 | Electronic timepiece having a stepping motor and driving circuit compensated for power source variations Term ended Term ended no later than Feb 21, 2004 · Low confidence | Term ended | Term ended no later than Feb 21, 2004 | Low confidence |
| US 4,437,769 | Electronic timepiece Term ended Term ended no later than Mar 20, 2004 · Low confidence | Term ended | Term ended no later than Mar 20, 2004 | Low confidence |
| US 4,442,448 | Logic integrated circuit device Term ended Term ended no later than Apr 10, 2004 · Low confidence | Term ended | Term ended no later than Apr 10, 2004 | Low confidence |
| US 4,442,535 | Fluorescent X-ray film thickness gauge for very small areas Term ended Term ended no later than Apr 10, 2004 · Low confidence | Term ended | Term ended no later than Apr 10, 2004 | Low confidence |
| US 4,443,115 | Electronic timepiece with electrochromic display Term ended Term ended no later than Apr 17, 2004 · Low confidence | Term ended | Term ended no later than Apr 17, 2004 | Low confidence |
| US 4,443,728 | GT-Cut quartz resonator Term ended Term ended no later than Apr 17, 2004 · Low confidence | Term ended | Term ended no later than Apr 17, 2004 | Low confidence |
| US 4,445,113 | Small type acoustic device Term ended Term ended no later than Apr 24, 2004 · Low confidence | Term ended | Term ended no later than Apr 24, 2004 | Low confidence |
| US 4,447,133 | Electrochromic device Term ended Term ended no later than May 8, 2004 · Low confidence | Term ended | Term ended no later than May 8, 2004 | Low confidence |
| US 4,447,162 | Watchcase Term ended Term ended no later than May 8, 2004 · Low confidence | Term ended | Term ended no later than May 8, 2004 | Low confidence |