Koura; Yumiko

Patent Applications and Registrations

Patent applications and USPTO patent grants for Koura; Yumiko.The latest application filed is for "manufacture method for semiconductor device having improved copper diffusion preventive function of plugs and wirings made of copper or copper alloy and semiconductor device of this kind".

Company Profile

0.5.5

Koura; Yumiko - Kawasaki N/A JP

*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
Manufacture method for semiconductor device having improved copper diffusion preventive function of plugs and wirings made of copper or copper alloy and semiconductor device of this kind Grant 8,383,509 - Koura , et al. February 26, 2	2013-02-26
Manufacture Method For Semiconductor Device Having Improved Copper Diffusion Preventive Function Of Plugs And Wirings Made Of Copper Or Copper Alloy And Semiconductor Device Of This Kind App 20110151662 - Koura; Yumiko ; et al.	2011-06-23
Semiconductor device having copper wiring Grant 7,871,924 - Koura , et al. January 18, 2	2011-01-18
Manufacture Method For Semiconductor Device Having Improved Copper Diffusion Preventive Function Of Plugs And Wirings Made Of Copper Or Copper Alloy App 20100007023 - Koura; Yumiko ; et al.	2010-01-14
Manufacture method for semiconductor device having improved copper diffusion preventive function of plugs and wirings made of copper or copper alloy Grant 7,611,984 - Koura , et al. November 3, 2	2009-11-03
Semiconductor device having copper wiring App 20070161242 - Koura; Yumiko ; et al.	2007-07-12
Semiconductor device having copper wiring Grant 7,205,667 - Koura , et al. April 17, 2	2007-04-17
Manufacture method for semiconductor device having improved copper diffusion preventive function of plugs and wirings made of copper or copper alloy and semiconductor device of this kind App 20070020931 - Koura; Yumiko ; et al.	2007-01-25
Semiconductor device having copper wiring and its manufacture method App 20060012046 - Koura; Yumiko ; et al.	2006-01-19

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