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Advantest Corp

Advantest

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US5352885A	Frequency converter for varying the frequency of a local si…	Expired / Lapsed	1993-02-24	1994-10-04	6	Details
US4797886A	Memory test pattern generator	Expired / Lapsed	1986-12-10	1989-01-10	10	Details
US4631724A	Semiconductor memory test equipment	Expired / Lapsed	1985-05-15	1986-12-23	8	Details
US4293950A	Test pattern generating apparatus	Expired / Lapsed	1979-04-02	1981-10-06	29	Details