Method for controlling non-volatile semiconductor memory system
CA 2245271 C · Owner: Sato, Takeaki · Inventors: Tanaka, Yoshiyuki; Kawamoto, Kazuya; Sato, Takeaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a memory system using a storage medium which, is inserted into an electronic apparatus via a connector to add a memory function thereto, the storage medium has a GROUND terminal, a power supply terminal a control, terminal and a data input/output terminal and the, connector has a function of being sequentially connected to each of the terminals. When the storage medium is inserted into the connector, the GROUND terminal and control terminal of the storage medium are connected to corresponding terminals of the connector before the power supply terminal and data input/output terminal of the storage medium are connected to corresponding terminals of the connector. Thus, it is possible to …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed August 7, 1998 and granted January 1, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 7, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 7, 2020.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.