Patent Explorer
Browse, filter, and analyze 7 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| WO1979000724A1 | Amorphous semiconductors equivalent to crystalline semiconductors | Energy Conversion Devices Inc | Expired / Lapsed | 1979-03-02 | — | 1999-03-02 | 0.0 yrs | 0 | |
| US4646266A | Programmable semiconductor structures and methods for using the same | Energy Conversion Devices Inc | Expired / Lapsed | 1984-09-28 | 1987-02-24 | 2004-09-28 | 0.0 yrs | 95 | |
| US4205387A | Data storage and retrieval system | Energy Conversion Devices Inc | Expired / Lapsed | 1976-09-16 | 1980-05-27 | 1996-09-16 | 0.0 yrs | 42 | |
| US4097846A | Data storage and retrieval system | Energy Conversion Devices Inc | Expired / Lapsed | 1977-04-08 | 1978-06-27 | 1997-04-08 | 0.0 yrs | 40 | |
| US3696344A | Optical mass memory employing amorphous thin films | Energy Conversion Devices Inc | Expired / Lapsed | 1970-02-19 | 1972-10-03 | 1990-02-19 | 0.0 yrs | 3 | |
| US3636526A | Information-recording system employing amorphous materials | Energy Conversion Devices Inc | Expired / Lapsed | 1970-06-08 | 1972-01-18 | 1990-06-08 | 0.0 yrs | 25 | |
| US3626386A | Information storage systems | Energy Conversion Devices Inc | Expired / Lapsed | 1970-03-05 | 1971-12-07 | 1990-03-05 | 0.0 yrs | 10 |