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Maxell Ltd

Maxell Ltd
Active Patents
0
Total Holdings
4

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
EP0192244A1 An optical disc Expired / Lapsed 1986-02-18 — 18 Details
JPS5584039A Magnetic recording medium Expired / Lapsed 1978-12-19 — 0 Details
US5045622A Polycarbonate polyol, aromatic polycarbonate polyurethane r… Expired / Lapsed 1989-06-20 1991-09-03 11 Details
US4275113A Magnetic recording medium Expired / Lapsed 1979-10-17 1981-06-23 8 Details