Virbulis; Janis

Patent Applications and Registrations

Patent applications and USPTO patent grants for Virbulis; Janis.The latest application filed is for "method and device for the production of a silicon single crystal, silicon single crystal, and silicon semiconductor wafers with determined defect distributions".

Company Profile

0.5.7

Virbulis; Janis - Burghausen DE
Virbulis; Janis - Babites pag. LT
Virbulis; Janis - Pinki Babites Pag. LV

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Process and apparatus for producing a silicon single crystal Grant 7,771,530 - Virbulis , et al. August 10, 2	2010-08-10
Method and device for the production of a silicon single crystal, silicon single crystal, and silicon semiconductor wafers with determined defect distributions Grant 7,708,830 - Von Ammon , et al. May 4, 2	2010-05-04
Silicon single crystal, and process for producing it Grant 7,335,256 - Weber , et al. February 26, 2	2008-02-26
Method and device for the production of a silicon single crystal, silicon single crystal, and silicon semiconductor wafers with determined defect distributions App 20060292890 - Ammon; Wilfried Von ; et al.	2006-12-28
Silicon single crystal, and process for producing it App 20060254498 - Weber; Martin ; et al.	2006-11-16
Doped semiconductor wafer of float zone pulled semiconductor material, and process for producing the semiconductor wafer Grant 7,025,827 - Knobel , et al. April 11, 2	2006-04-11
Silicon single crystal produced by crucible-free float zone pulling Grant 6,840,998 - Altmannshofer , et al. January 11, 2	2005-01-11
Method and device for the production of a silicon single crystal, silicon single crystal, and silicon semiconductor wafers with determined defect distributions App 20040192015 - Ammon, Wilfried Von ; et al.	2004-09-30
Silicon single crystal, and process for producing it App 20040118334 - Weber, Martin ; et al.	2004-06-24
Doped semiconductor wafer of float zone pulled semiconductor material, and process for producing the semiconductor wafer App 20030192470 - Knobel, Rolf ; et al.	2003-10-16
Silicon single crystal produced by crucible-free float zone pulling App 20030024469 - Altmannshofer, Ludwig ; et al.	2003-02-06
Process and apparatus for producing a silicon single crystal App 20020092461 - Virbulis, Janis ; et al.	2002-07-18

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