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Seiko Instruments Inc

Seiko Inst

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US4616340A	Non-volatile semiconductor memory	Expired / Lapsed	1982-09-30	1986-10-07	10	Details
US4136949A	Method for optically measuring a distance	Expired / Lapsed	1976-12-27	1979-01-30	7	Details
US3864021A	Liquid crystal display device and method for processing the…	Expired / Lapsed	1973-03-06	1975-02-04	11	Details
US3508034A	Time measuring device for sports	Expired / Lapsed	1967-06-22	1970-04-21	0	Details