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Inventors

TSUNENOBU KIMOTO TADASHI TOMIKAWA NOBUHIKO FUJITA

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SUMITOMO ELECTRIC INDUSTRIES, LTD.

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SEMICONDUCTOR HETEROJUNCTION STRUCTURE

07/588,823 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)

Filed Sept. 27, 1990

Examiner MARK PRENTY, V

Class 999

Art Group 2503

Patent No. 5,117,267

Case Type Utility - 999/016000

Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362

Child 07/848,722 Abandoned

Child 08/326,748 Patented

Child 251389/1989

Child 259257/1989

Last Updated: 5 years, 1 month ago

Date	#	Transaction
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07/588,823 | U.S. Patent Application

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