JOEL Ltd.
Records under this name other than the patents JOEL Ltd. 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 9 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 11,339,133 | Method for Producing Triazolidinedione Compound Formerly held In force · High confidence | In force | High confidence | |
| US 6,946,663 | Method of fabricating multipole lens, multipole lens, and charged-particle beam instrument equipped therewith Term ended Term ended Mar 26, 2024 · From the USPTO record | Term ended | Term ended Mar 26, 2024 | From the USPTO record |
| US 7,329,881 | Charged-particle beam system Lapsed on the fee record Ended Feb 12, 2020 · From the USPTO record | Lapsed on the fee record | Ended Feb 12, 2020 | From the USPTO record |
| US 6,259,960 | Part-inspecting system Lapsed on the fee record Ended Jul 10, 2013 · From the USPTO record | Lapsed on the fee record | Ended Jul 10, 2013 | From the USPTO record |
| US 4,419,581 | Magnetic objective lens for use in a scanning electron microscope Term ended Term ended no later than Dec 6, 2003 · Low confidence | Term ended | Term ended no later than Dec 6, 2003 | Low confidence |
| US 4,645,928 | Sweeping method for superimposed-field mass spectrometer Term ended Term ended no later than Feb 24, 2007 · Low confidence | Term ended | Term ended no later than Feb 24, 2007 | Low confidence |
| US 4,990,778 | Scanning electron microscope Term ended Term ended no later than Feb 5, 2011 · Low confidence | Term ended | Term ended no later than Feb 5, 2011 | Low confidence |
| US 4,994,745 | Electron spin resonance spectroscopy Term ended Term ended no later than Feb 19, 2011 · Low confidence | Term ended | Term ended no later than Feb 19, 2011 | Low confidence |
| US 5,065,027 | Electromagnetic lens Term ended Term ended no later than Nov 12, 2011 · Low confidence | Term ended | Term ended no later than Nov 12, 2011 | Low confidence |
| US 5,067,702 | Dispenser for dispensing sheets of an alternating first and second kind from a stack Term ended Term ended no later than Nov 26, 2011 · Low confidence | Term ended | Term ended no later than Nov 26, 2011 | Low confidence |