Copal Electronics Co., Ltd.
Records under this name other than patents Copal Electronics Co., Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to Copal Electronics Co., Ltd.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,285,969 | Use of single scatter electron monte carlo transport for medical radiation sciences Formerly held Lapsed on the fee record Ended Sep 4, 2013 · From the USPTO record | Lapsed on the fee record | Ended Sep 4, 2013 | From the USPTO record |
| US 4,627,303 | Variable resistance device Term ended Term ended no later than Dec 9, 2006 · Low confidence | Term ended | Term ended no later than Dec 9, 2006 | Low confidence |
| US 4,712,084 | Potentiometer Term ended Term ended no later than Dec 8, 2007 · Low confidence | Term ended | Term ended no later than Dec 8, 2007 | Low confidence |
| US 4,771,964 | Fishing reel Term ended Term ended no later than Sep 20, 2008 · Low confidence | Term ended | Term ended no later than Sep 20, 2008 | Low confidence |
| US 4,787,723 | Ultra-wide angle F-.theta. lens system Term ended Term ended no later than Nov 29, 2008 · Low confidence | Term ended | Term ended no later than Nov 29, 2008 | Low confidence |
| US 4,788,393 | DIP rotary code switch Term ended Term ended no later than Nov 29, 2008 · Low confidence | Term ended | Term ended no later than Nov 29, 2008 | Low confidence |
| US 4,799,628 | Level winder for double-bearing fishing reel Term ended Term ended no later than Jan 24, 2009 · Low confidence | Term ended | Term ended no later than Jan 24, 2009 | Low confidence |
| US 4,807,239 | Drive and control circuit for laser diode Term ended Term ended no later than Feb 21, 2009 · Low confidence | Term ended | Term ended no later than Feb 21, 2009 | Low confidence |
| US 4,832,277 | Fishing reel 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 4,839,627 | Variable resistor Term ended Term ended no later than Jun 13, 2009 · Low confidence | Term ended | Term ended no later than Jun 13, 2009 | Low confidence |