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Jun Koyama

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SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

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EL DISPLAY DEVICE AND ELECTRONIC DEVICE

09/597,399 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)

Filed June 21, 2000

Examiner CHUC TRAN

Class 315

Art Group 2821

Patent No. 6,774,574

Case Type Utility - 315/169300

Status Patented Case

Child 10/93,738 Patented

Child 10/848,147 Patented

Child 12/81,150 Patented

Child 13/172,051 Abandoned

Child 11-176521

Last Updated: 4 years, 2 months ago

Date	#	Transaction
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EL DISPLAY DEVICE AND ELECTRONIC DEVICE

09/597,399 | U.S. Patent Application

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