Maxell Ltd
Maxell LtdActive Patents
0
Total Holdings
14
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| EP0231937A2 | An arrangement of a semiconductor device for use in a card | Expired / Lapsed | 1987-02-04 | — | 22 | Details |
| EP0192244A1 | An optical disc | Expired / Lapsed | 1986-02-18 | — | 18 | Details |
| JPS5584039A | Magnetic recording medium | Expired / Lapsed | 1978-12-19 | — | 0 | Details |
| US6310602B1 | Liquid crystal display system capable of reducing and enlar… | Expired / Lapsed | 2000-07-12 | 2001-10-30 | 9 | Details |
| US5045622A | Polycarbonate polyol, aromatic polycarbonate polyurethane r… | Expired / Lapsed | 1989-06-20 | 1991-09-03 | 11 | Details |
| US5040165A | Optical information recording medium and method of fabricat… | Expired / Lapsed | 1989-03-02 | 1991-08-13 | 21 | Details |
| US4962415A | IC card | Expired / Lapsed | 1990-02-06 | 1990-10-09 | 19 | Details |
| US4896313A | Optical information recording medium utilizing pits having … | Expired / Lapsed | 1987-07-09 | 1990-01-23 | 29 | Details |
| US4874668A | Magnetic powder and magnetic recording medium comprising th… | Expired / Lapsed | 1987-07-07 | 1989-10-17 | 11 | Details |
| US4666769A | Magnetic disc | Expired / Lapsed | 1985-09-16 | 1987-05-19 | 7 | Details |
| US4624883A | Magnetic recording medium | Expired / Lapsed | 1984-03-19 | 1986-11-25 | 7 | Details |
| US4305993A | Magnetic recording medium | Expired / Lapsed | 1980-10-07 | 1981-12-15 | 12 | Details |
| US4275113A | Magnetic recording medium | Expired / Lapsed | 1979-10-17 | 1981-06-23 | 8 | Details |
| US3823947A | Magnetic recording tape | Expired / Lapsed | 1971-09-27 | 1974-07-16 | 15 | Details |