Osaka Titanium
Records under this name other than patents Osaka Titanium holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,420,381 | Electrolytic method and cell for metal production Term ended Term ended no later than Dec 13, 2003 · Low confidence | Term ended | Term ended no later than Dec 13, 2003 | Low confidence |
| US 4,562,338 | Heating power supply apparatus for polycrystalline semiconductor rods Formerly held Term ended Term ended no later than Dec 31, 2005 · Low confidence | Term ended | Term ended no later than Dec 31, 2005 | Low confidence |
| US 4,613,489 | Process for the disproportionation of chlorosilanes Formerly held Term ended Term ended no later than Sep 23, 2006 · Low confidence | Term ended | Term ended no later than Sep 23, 2006 | Low confidence |
| US 4,915,723 | Apparatus for casting silicon with gradual cooling Formerly held Term ended Term ended no later than Apr 10, 2010 · Low confidence | Term ended | Term ended no later than Apr 10, 2010 | Low confidence |
| US 4,925,809 | Semiconductor wafer and epitaxial growth on the semiconductor wafer with autodoping control and manufacturing method therefor Term ended Term ended no later than May 15, 2010 · Low confidence | Term ended | Term ended no later than May 15, 2010 | Low confidence |
| US 4,959,603 | Solar battery equipment Term ended Term ended no later than Sep 25, 2010 · Low confidence | Term ended | Term ended no later than Sep 25, 2010 | Low confidence |
| US 4,986,215 | Susceptor for vapor-phase growth system Formerly held Term ended Term ended no later than Jan 22, 2011 · Low confidence | Term ended | Term ended no later than Jan 22, 2011 | Low confidence |
| US 5,037,503 | Method for growing silicon single crystal Formerly held Term ended Term ended no later than Aug 6, 2011 · Low confidence | Term ended | Term ended no later than Aug 6, 2011 | Low confidence |
| US 5,041,308 | Method of coating silicon particles Formerly held Term ended Term ended no later than Aug 20, 2011 · Low confidence | Term ended | Term ended no later than Aug 20, 2011 | Low confidence |
| US 5,051,375 | Method of producing semiconductor wafer through gettering using spherical abrasives Term ended Term ended no later than Sep 24, 2011 · Low confidence | Term ended | Term ended no later than Sep 24, 2011 | Low confidence |